阅读说明：本技术 一种基于石膏板的吊顶施工工艺 (Suspended ceiling construction process based on gypsum board ) 是由 王海勇 于 2020-06-01 设计创作，主要内容包括：本发明涉及一种基于石膏板的吊顶施工工艺,其包括如下步骤：测绘弹线,确定吊筋、龙骨的下料位置和用料,并以此推算石膏板的用量及覆盖面积；安装吊筋及龙骨；在石膏板顶壁及次龙骨底壁刷涂粘合剂,在将二者贴近粘合后以自攻螺钉将石膏板与次龙骨固定；接缝批涂,待涂料自干后可对吊顶进行质量检测及验收。本发明具有提高石膏板与轻钢龙骨对装固定的牢固度,有效保障石膏板吊顶的施工质量的效果。(The invention relates to a suspended ceiling construction process based on a gypsum board, which comprises the following steps: surveying and mapping elastic lines, determining the blanking positions and materials of the hanging ribs and the keels, and calculating the using amount and the coverage area of the gypsum board according to the using positions and the materials; installing hanging ribs and keels; coating an adhesive on the top wall of the gypsum board and the bottom wall of the secondary keel, and fixing the gypsum board and the secondary keel by using a self-tapping screw after the gypsum board and the secondary keel are adhered closely; and (4) coating the joints in batches, and performing quality detection and acceptance inspection on the suspended ceiling after the coating is self-dried. The invention has the effects of improving the firmness of the opposite installation and fixation of the gypsum board and the light steel keel and effectively ensuring the construction quality of the gypsum board suspended ceiling.)

1. The suspended ceiling construction process based on the gypsum board is characterized by comprising the following steps of: s100, surveying and mapping elastic lines, determining the suspended ceiling area of the gypsum board (4) according to the inner diameter size of the ceiling, and estimating the required keel consumption; ejecting a standard line on the inner top wall of the ceiling by using ink lines, and planning the installation positions and gaps of the main keels (2), the secondary keels (3) and the corresponding hanging ribs (1); the height of the lower end of the hanging rib (1) is increased downwards along the inner top wall of the ceiling, and the position of the lower end of the hanging rib (1) is determined on the indoor wall; s200, installing a hanging rib (1) and a keel, fixing one end of the hanging rib (1) in the height direction with the inner top wall of a ceiling through an expansion bolt, and connecting the other end of the hanging rib (1) in the height direction with a hanging piece after threading; sleeving the main keel (2) with a certain number of hanging pieces, enabling a certain number of hanging ribs (1) to hang one main keel (2) at the same time, adjusting the horizontal height of the main keel (2), and screwing down the hanging ribs (1) and the main keel (2) by screws; the hanging piece is clamped on the main keel (2), and the secondary keel (3) is sleeved with the hanging piece and then screwed down by a screw, so that the secondary keel (3) is fixed on the bottom wall of the main keel (2); s300, installing gypsum boards (4), brushing adhesives on the bottom walls of all the secondary keels (3), uniformly brushing the adhesives on the upper surfaces of the gypsum boards (4), then pressing the gypsum boards (4) against the bottom walls of the secondary keels (3), and enabling the top walls of the gypsum boards (4) and the bottom walls of the secondary keels (3) to generate adhesive acting force through the adhesives; fixedly connecting the gypsum board (4) and the secondary keel (3) by using self-tapping screws to fixedly connect the gypsum board (4) and the secondary keel (3); s400, coating joint seams in batches, cleaning gaps between adjacent gypsum boards (4), filling the gaps with caulking paste, and sealing and fixing the gaps with adhesive paper; after the caulking paste is completely solidified, tearing off the adhesive paper and scraping at the caulking position, finally coating the bottom wall of the gypsum board (4) with a roller in a coating manner, and after the coating is self-dried, carrying out quality detection and acceptance inspection on the suspended ceiling.

2. The gypsum board-based ceiling construction process of claim 1, wherein: in the step S100, the distance between the adjacent hanging ribs (1) needs to be controlled to be 900-1200mm, the distance between the adjacent main keels (2) needs to be smaller than 1200mm, and the distance between the adjacent secondary keels (3) needs to be controlled to be 400-600 mm.

3. The gypsum board-based ceiling construction process of claim 2, wherein: the following steps are added in the step S100: s110, scraping the bulges and the stains on the inner top wall of the ceiling through sand paper to enable the inner top wall of the ceiling to be in a smooth and horizontal state, and then cleaning dust and sundries on the ceiling to keep the cleanliness of the ceiling.

4. The gypsum board-based ceiling construction process of claim 1, wherein: the following steps are added in the step S200: s210, before the hanging ribs (1) are fixed, the outer surfaces of the hanging ribs are evenly coated with antirust paint.

5. The gypsum board-based ceiling construction process of claim 1, wherein: in step S300, the binder is white latex.

6. The gypsum board-based ceiling construction process of claim 5, wherein: the following steps are added in the step S300: s310, welding a plurality of screw rods (5) on the bottom wall of the secondary keel (3) at intervals, and connecting the outer edges of the screw rods (5) with nuts (502) in a threaded manner; through holes (401) which are equal to the number of the screw rods (5) are formed in the upper surface of the gypsum board (4) in a penetrating mode and located at the four corners of the upper surface, a yielding groove (402) which can accommodate a nut (502) is formed in the bottom wall of the gypsum board (4) around the periphery of each through hole (401), and gypsum blocks falling off when the yielding grooves (402) are formed are collected; s320, the gypsum board (4) is attached to the bottom wall of the secondary keel (3), the screw rod (5) penetrates through the through hole (401) corresponding to the screw rod, and the nut (502) is screwed on the outer edge of the screw rod (5) until the top wall of the nut (502) abuts against the inner top wall of the abdicating groove (402).

7. The gypsum board-based ceiling construction process of claim 6, wherein: the following steps are added in the step S310: s311, before the screw rod (5) is welded on the bottom wall of the secondary keel (3), grinding is carried out through a milling machine, so that a guide surface (501) which can penetrate through the through hole (401) more easily is formed at one end in the length direction.

8. The gypsum board-based ceiling construction process of claim 7, wherein: the following steps are added in the step S310: s312, two supporting rods (503) convenient for an operator to hold with fingers are welded on the outer side wall of the nut (502), and the total length of the two supporting rods (503) and the nut (502) needs to be smaller than the length of the inner diameter of the abdicating groove (402).

9. The gypsum board-based ceiling construction process of claim 6, wherein: the following steps are added in the step S300: s330, digging a groove body larger than the nut (502) on the gypsum block body by using an art designer, and filling the gypsum block body in the inner cavity of the abdicating groove (402) by using an adhesive; the gap between the gypsum block body and the abdication groove (402) is filled with caulking paste and sealed by adhesive paper.

Technical Field

The invention relates to the technical field of gypsum board suspended ceiling construction, in particular to a suspended ceiling construction process based on gypsum boards.

Background

At present, the gypsum board suspended ceiling construction is a common construction method for interior decoration. The construction method comprises the following steps: install the light gauge steel of a certain amount at the ceiling diapire through hanging the muscle, with the diapire of gypsum board roof laminating light gauge steel and with self-tapping screw fixed, treat all gypsum board equal rigidity backs, the furred ceiling can be accomplished to the veneer cleanness and whitewash coating.

The existing Chinese patent with publication number CN108343187A provides a suspended ceiling construction process based on gypsum boards, which mainly comprises the following steps: drawing a gypsum board suspended ceiling diagram; decomposing a gypsum board suspended ceiling drawing; cutting a gypsum board; and fixing the gypsum board at the bottom of the light steel keel through self-tapping screws, and finally installing the suspended ceiling. Wherein, the gypsum board is fixed earlier with light gauge steel, and the light gauge steel that has the gypsum board is earlier to adorn with the draw-in groove of predetermineeing on the limit fossil fragments earlier, later with the fix with screw, and then with the operation degree of difficulty when reducing constructor installation furred ceiling.

The above prior art solutions have the following drawbacks: the gypsum board is fixed with the light gauge steel only through the screw when assembling, and it is difficult to ensure the firm in connection degree after gypsum board and light gauge steel are assembled, and then the phenomenon that adjacent gypsum board exists the height drop easily appears, and it has greatly reduced the construction quality of gypsum board furred ceiling, so remain to improve.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the suspended ceiling construction process based on the gypsum board, which has the advantages of improving the firmness of the opposite installation and fixation of the gypsum board and the light steel keel and effectively ensuring the construction quality of the gypsum board suspended ceiling.

The above object of the present invention is achieved by the following technical solutions:

a suspended ceiling construction process based on gypsum boards comprises the following steps:

s100, surveying and mapping elastic lines, determining the suspended ceiling area of the gypsum board according to the inner diameter size of the ceiling, and estimating the required keel consumption; popping up a standard line on the inner top wall of the ceiling by using an ink line, and planning the installation positions and gaps of the main keel, the secondary keel and the corresponding hanging ribs; making elevation downwards along the inner top wall of the ceiling, and determining the position of the lower end of the hanging rib on the indoor wall;

s200, installing a hanging rib and a keel, fixing one end of the hanging rib in the height direction with the inner top wall of the ceiling through an expansion bolt, and connecting the other end of the hanging rib in the height direction with a hanging piece after threading; sleeving the main keel with a certain number of hanging pieces, enabling a certain number of hanging ribs to suspend one main keel at the same time, and screwing down the hanging ribs and the main keel by using screws after the horizontal height of the main keel is adjusted; the hanging piece is clamped on the main keel, and the secondary keel is sleeved with the hanging piece and then screwed down by screws, so that the secondary keel is fixed on the bottom wall of the main keel;

s300, installing the gypsum board, brushing adhesives on the bottom walls of all the secondary keels, uniformly brushing the adhesives on the upper surface of the gypsum board, then pressing the gypsum board against the bottom walls of the secondary keels, and enabling the top wall of the gypsum board and the bottom walls of the secondary keels to generate adhesive acting force through the adhesives; fixedly connecting the gypsum board and the secondary keel by using self-tapping screws so as to fixedly connect the gypsum board and the secondary keel;

s400, coating joints in batches, cleaning gaps between adjacent gypsum boards, filling the gaps with caulking paste, and sealing with adhesive paper; after the caulking paste is completely solidified, tearing off the adhesive paper and scraping at the caulking position, finally coating the bottom wall of the gypsum board with a roller in a coating manner, and after the coating is dried in air, carrying out quality detection and acceptance inspection on the suspended ceiling.

By adopting the technical scheme, after the adhesives on the bottom wall of the secondary keel and the top wall of the gypsum board are adhered to each other, an adhesive acting force with certain adhesive strength can be generated between the gypsum board and the secondary keel, so that the gypsum board can be stably adhered to the bottom of the secondary keel during fixed installation, the connection tightness of the gypsum board fixed on the bottom wall of the secondary keel and the position stability after installation are further effectively improved, meanwhile, the lifting time of constructors for installing the gypsum board is greatly reduced, and the construction difficulty of the constructors for installing the gypsum board is reduced; after constructor runs through the gypsum board with self-tapping screw and extends to the secondary joist inner chamber, it can make the gypsum board be fixed in the secondary joist diapire comparatively steadily, and then can further improve gypsum board and secondary joist and to adorning fixed firmness to effectively ensure gypsum board furred ceiling's construction quality.

The present invention in a preferred example may be further configured to: in the step S100, the distance between the adjacent hanging ribs needs to be controlled to be 900-.

Through adopting above-mentioned technical scheme, the rule hangs the interval of muscle, main joist and secondary joist when the unloading, can effectively ensure to hang the hoist and mount stability of muscle to the main joist, and the hoist and mount stability of main joist to the secondary joist, and it has greatly improved the overall stability after the fossil fragments are fixed, and then is of value to improving the firmness after gypsum board and fossil fragments are fixed to the dress.

The present invention in a preferred example may be further configured to: the following steps are added in the step S100: s110, scraping the bulges and the stains on the inner top wall of the ceiling through sand paper to enable the inner top wall of the ceiling to be in a smooth and horizontal state, and then cleaning dust and sundries on the ceiling to keep the cleanliness of the ceiling.

By adopting the technical scheme, the texture of each part of the inner top wall of the ceiling can be determined by scraping the surface layer of the inner top wall of the ceiling, so that the phenomenon that constructors punch holes for blanking the hanging ribs at the inconvenient punching holes of the inner top wall of the ceiling is reduced; meanwhile, the cleanliness of the ceiling inner top wall is kept, so that the phenomenon that construction personnel are influenced by falling dust and sundries during construction can be reduced, and the construction progress is further guaranteed.

The present invention in a preferred example may be further configured to: the following steps are added in the step S200: and S210, uniformly brushing anti-rust paint on the outer surface of the hanging rib before fixing.

Through adopting above-mentioned technical scheme, the anti-rust paint has formed fine and close oxide film for the isolation at hanging the muscle surface, and it has effectively reduced and has hung the muscle and take place the reaction with the steam molecule in humid environment, and then causes and hang the muscle and rust, ageing to destroy the phenomenon of hanging the muscle and the connection stability of roof in the ceiling, its life and the hoist and mount stability of effectively having ensured hanging the muscle.

The present invention in a preferred example may be further configured to: in step S300, the binder is white latex.

By adopting the technical scheme, the white latex is a thermoplastic adhesive prepared by vinyl acetate monomer through polymerization reaction under the action of an initiator, and has high fixing speed and high bonding strength, so that the bonding speed of the gypsum board and the secondary keel can be increased, and the bonding strength between the gypsum board and the secondary keel can be improved; meanwhile, the gypsum board has extremely strong toughness and durability, and further can ensure the bonding stability of the gypsum board and the secondary keel for a long time without aging.

The present invention in a preferred example may be further configured to: the following steps are added in the step S300:

s310, welding a plurality of screw rods on the bottom wall of the secondary keel at intervals, and connecting nuts at the outer edges of the screw rods in a threaded manner; through holes with the number equal to that of the screw rods are arranged on the upper surface of the gypsum board and positioned at the four corners of the upper surface of the gypsum board in a penetrating manner, abdicating grooves capable of accommodating nuts are arranged on the bottom wall of the gypsum board around the periphery of each through hole, and gypsum blocks falling off when the abdicating grooves are arranged are collected;

s320, the gypsum board is attached to the bottom wall of the secondary keel, the screw rod penetrates through the through hole corresponding to the screw rod, and the nut is screwed on the outer edge of the screw rod until the top wall of the nut abuts against the top wall in the abdicating groove.

By adopting the technical scheme, the screw rod can penetrate through the through hole to limit the position of the gypsum board on the bottom wall of the secondary keel, so that the position deviation of the gypsum board can be reduced; after the nut and the screw rod are screwed up, the gypsum board can be stably supported and tightened between the secondary keel and the nut, so that the position stability of the gypsum board at the bottom of the secondary keel is further improved, the firmness of the gypsum board and the light steel keel in opposite installation is further improved, and the construction quality of the gypsum board suspended ceiling is guaranteed.

The present invention in a preferred example may be further configured to: the following steps are added in the step S310: s311, before the screw rod is welded on the bottom wall of the secondary keel, grinding is carried out through a milling machine, and a guide surface which can penetrate through the through hole more easily is formed at one end of the screw rod in the length direction.

Through adopting above-mentioned technical scheme, the spigot surface is used for reducing the area of contact when the lead screw passes the through-hole, and it has improved precision and speed when the lead screw passes the through-hole, and then makes the easy faster laminating of gypsum board in the secondary joist bottom.

The present invention in a preferred example may be further configured to: the following steps are added in the step S310: s312, welding two supporting rods convenient for an operator to hold with fingers on the outer side wall of the nut, wherein the total length of the two supporting rods and the nut needs to be smaller than the length of the inner diameter of the abdicating groove.

By adopting the technical scheme, the supporting rod is convenient for operators to screw with fingers, so that the speed of the nut screwed on the outer edge of the screw rod is increased, and the efficiency of constructors in fixing the gypsum board is improved.

The present invention in a preferred example may be further configured to: the following steps are added in the step S300: s330, digging a groove body larger than the nut on the gypsum block body by using an art designer, and filling the gypsum block body in the inner cavity of the abdicating groove by using an adhesive; and filling gaps between the gypsum blocks and the abdicating groove with caulking paste, and sealing and fixing with adhesive paper.

Through adopting above-mentioned technical scheme, the gypsum block fills the levelness that the groove of stepping down can ensure the gypsum board diapire, and it has effectively reduced the phenomenon that external factors easily influence the nut, has ensured the stability behind nut and the lead screw locking.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the gypsum board and the secondary keel are adhered by the adhesive, so that the connection tightness of the gypsum board fixed on the bottom wall of the secondary keel and the position stability after installation are improved, and after a constructor penetrates through the gypsum board by a self-tapping screw and extends to the inner cavity of the secondary keel, the position stability of the gypsum board fixed on the bottom of the secondary keel is further improved, the firmness of opposite installation and fixation of the gypsum board and the secondary keel can be effectively improved by matching the gypsum board and the secondary keel, and the construction quality of the gypsum board suspended ceiling is greatly guaranteed;

2. the screw rod penetrates through the through hole to limit the position of the gypsum board on the bottom wall of the secondary keel, and the phenomenon of position deviation of the gypsum board is reduced; nut and lead screw thread screw up the back to support the gypsum board comparatively steadily tightly between secondary joist and nut, and then in order to further improve the position stability of gypsum board in the secondary joist bottom, and further improved the fastness of gypsum board and light gauge steel to adorning fixed, ensured the construction quality of gypsum board furred ceiling.

Drawings

FIG. 1 is a schematic structural view of a gypsum board based ceiling;

fig. 2 is a schematic longitudinal sectional view showing the connection relationship between the gypsum board and the cross runners.

In the figure, 1, hanging bars; 2. a main keel; 3. a secondary keel; 4. a gypsum board; 401. a through hole; 402. a yielding groove; 5. a screw rod; 501. a guide surface; 502. a nut; 503. a support rod.

Detailed Description

A suspended ceiling construction process based on gypsum boards comprises the following steps:

s100, cleaning the ceiling, wherein a constructor firstly scrapes off the inner top wall of the ceiling through abrasive paper to remove the bulges and the stains on the surface layer of the inner top wall of the ceiling until the surface layer of the inner top wall of the ceiling is smooth and horizontal. And then, constructors can suck the inner top wall of the ceiling through the broom to reduce residual powder and spider web impurities on the inner top wall of the ceiling, and the cleanliness of the ceiling before construction is guaranteed.

Survey and drawing bullet line, according to the actual size of ceiling roof, the planning is with the area of 4 furred ceilings of gypsum board, accounts for the quantity of gypsum board 4, fossil fragments and hanging muscle 1. After the amount of the building materials is calculated, standard lines which are parallel to each other are popped up on the inner top wall of the ceiling by using ink lines, the standard lines are the blanking positions of the main keels 2, and the distance between every two adjacent main keels 2 needs to be controlled within 1200 mm. The main keels 2 at the corners of the ceiling are directly attached to the corners of the indoor wall without recording distances.

Determining blanking points of the hanging ribs 1 on the top wall in the ceiling along the length direction of the standard line, wherein the distance between the adjacent hanging ribs 1 needs to be controlled between 900 and 1200mm, and when the distance between the corner of the ceiling and the nearest hanging rib 1 is more than 1200mm, the blanking points need to be defined; otherwise, blanking is not needed. The inner top wall of the ceiling is downward, the elevation is formed on the indoor wall body, and the elevation is the position of the lower end of the hanging rib 1. Marking the blanking lines of the secondary keels 3 by ink lines along the length direction of all standard lines on the inner top wall of the ceiling, controlling the distance between the adjacent secondary keels 3 to be 400-600mm, and determining whether blanking is carried out or not by the viewing distance at the corners of the ceiling.

S200, moving all the hanging ribs 1, the main keels 2, the secondary keels 3 and the gypsum boards 4 to a construction site, brushing anti-rust paint on the outer surfaces of the hanging ribs 1, and using the hanging ribs after the hanging ribs are self-dried; if the construction period is shorter, the drying speed of the anti-rust paint can be increased by the fan. Constructor can cut gypsum board 4 through the art designer's sword according to the furred ceiling area of planning in advance, and gypsum board 4 after cutting is for later use.

Hang muscle 1 according to the unloading point installation of hanging muscle 1, hang the one end of muscle 1 direction of height and pass through expansion bolts and ceiling fixed connection, constructor need notice expansion bolts's unloading angle, and then with the straightness that hangs down of guarantee expansion bolts. Hang behind the other end mantle fiber of 1 direction of height of muscle with in hanging a fixed connection, constructor can cup joint main joist 2 with the piece that hangs of a certain quantity simultaneously, and the quantity of cup jointing of hanging the piece is decided according to main joist 2's length. After the main joist 2 is sleeved with the hanging piece, a constructor needs to measure the horizontal height of the main joist 2 by using a horizontal ruler so as to ensure that the bottom walls of all the main joists 2 are at the same horizontal height. The hanger can then be more stably secured to the main runner 2 by tightening the screws on the hanger.

With 3 laying off lines laminating in the 2 bottoms of main joist of secondary joist 3 of secondary joist to hanger clamp secondary joist 3 and main joist 2 simultaneously, with the screw again with the sideboard and the 2 fixed connection of main joist of hanger, and then can make 3 comparatively stable laminating in the 2 bottoms of main joist of secondary joist.

The present invention will be described in further detail with reference to the accompanying drawings, which are shown in fig. 1 and 2.

S300, selecting a certain number of screw rods 5 with the height equal to the thickness of the gypsum board 4, and grinding one end of each screw rod in the height direction into a guide surface 501 through a milling machine. Nuts 502 which are matched with the threads of the screw mandrel 5 are selected, two supporting rods 503 are symmetrically welded on the outer side wall of each nut 502, and then all the nuts 502 are collected for standby.

The end of the screw rod 5 far away from the guide surface 501 is perpendicularly welded on the bottom wall of the secondary keel 3, through holes 401 penetrate through the upper surface of the gypsum board 4 and are positioned at four corners of the gypsum board 4 along the thickness direction of the gypsum board 4, the through holes 401 are communicated with the screw rod 5 in number, and the inner diameter of the through holes is slightly larger than the outer diameter of the screw rod 5. The gypsum board 4 diapire is located the through-hole 401 periphery and sets up the groove of stepping down 402, and the internal diameter size of the groove of stepping down 402 will be greater than the total length of nut 502 and two spinal branch poles 503, and the gypsum block that drops when the groove of stepping down 402 was excavated is unified to be collected to the future use.

White latex is used as an adhesive, the adhesive is uniformly coated on the upper surface of the gypsum board 4 through a brush, and the adhesive is also coated on the bottom walls of all the keel 3. Constructor passes through double ladder and closes 4 lifts of gypsum board to take the altitude, offsets through 4 roof of gypsum board and 3 diapire of secondary joist, and the adhesive bonds gypsum board 4 and secondary joist 3 simultaneously, and the gluing effort between the two makes gypsum board 4 tentatively adhere to in 3 diapires of secondary joist. Afterwards, constructor can throw into a certain amount of self-tapping screw in the side department of gypsum board 4, and self-tapping screw runs through gypsum board 4 and screws up inside the false keel 3 to improve the positional stability of gypsum board 4 in the false keel 3 bottom.

While the top wall of the gypsum board 4 is abutted against the bottom wall of the secondary joist 3, the screw rod 5 passes through the through hole 401, and the end with the guide surface 501 is positioned at the abdicating groove 402. Constructors can screw the nut 502 on the outer edge of the screw rod 5 after fixing the gypsum board 4 and the secondary keel 3 through the self-tapping screw, and when the top wall of the nut 502 is abutted to the top wall in the abdicating groove 402, the nut 502 is screwed with the screw rod 5. At this time, the connection tightness between the gypsum board 4 and the furring channel 3 is further improved. Constructor can be after all nuts 502 are screwed up, through the mode of pressing gypsum board 4 with the hand to ensure that all gypsum boards 4 all offset with the 3 diapire of secondary joist, when leaving the space between the two, operating personnel can squeeze into self-tapping screw so that the two laminating.

A groove body with the size larger than that of the nut 502 is dug on the top wall of the gypsum block body by an art designer, then the top wall and the outer side wall of the gypsum block body are coated with adhesives, and then the gypsum block body is filled in the inner cavity of the abdicating groove 402. The gap between the gypsum block and the abdicating groove 402 can be filled with caulking paste, and the caulking paste filling position is sealed by sticking paper. After the adhesive is solidified with the caulking paste, construction personnel can tear off the adhesive paper, and then the construction personnel can use the scraper blade to repeatedly cover the bottom wall of the gypsum board 4 so as to guarantee the levelness and the smoothness of the gypsum board.

S400, cleaning gaps among all adjacent gypsum boards 4, filling the gaps with caulking paste, and sealing the filled gaps with adhesive paper. After the adhesive is solidified with the caulking paste, construction personnel can tear off the adhesive paper, scrape the caulking part of the adjacent gypsum board 4 with abrasive paper, and after the texture of the outer surface of the gypsum board is uniform and is positioned on the same horizontal plane, the construction personnel can wrap the grout with a roller to brush the bottom wall of the gypsum board 4. After the coating dries by air, constructors can carry out quality detection and acceptance inspection on the suspended ceiling.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.