Construction assembly of plaster boards and a method of assembling a plurality of plaster boards
View Patent ↗A construction assembly includes a plurality of plaster boards, each of the plaster boards having a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein said plaster boards are assembled creating at least one joint; and a joint-pointing coat jointing said plaster boards to form a substantially plane outer surface including the outer surface of said at least one joint and said outer surface of said liner, wherein the composition of the joint-pointing coat is adapted for the finishing of said at least one joint; wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner are adapted to form an overall surface having a substantially homogeneous coloration.
1. A construction assembly, comprising:
a plurality of plaster boards, each of the plaster boards comprising a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein said plaster boards are assembled creating at least one joint; and
a joint-pointing coat jointing said plaster boards to form a substantially plane outer surface comprising the outer surface of said at least one joint and said outer surface of said liner, wherein the composition of the joint-pointing coat is adapted for the finishing of said at least one joint;
wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner each have a surface water absorbability which is at least 60 minutes such as measured by the water drop test at 23° C.
2. The construction assembly according to claim 1 , wherein colorations of said joint-pointing coat in a dry state and the liner are substantially homogeneous in virtually the entire overall surface and are substantially white.
3. The construction assembly according to claim 1 , wherein reflectance factors of said joint-pointing coat in a dry state and the liner are substantially homogeneous in virtually the entire overall surface and are between 70% and 80% for a wavelength of 457 nm.
4. The construction assembly according to claim 3 , wherein the reflectance factors are between 72% and 76% for a wavelength of 457 nm.
5. The construction assembly according to claim 1 , wherein said joint-pointing coat comprises a mineral filler and a binder.
6. The construction assembly according to claim 5 , wherein said joint-pointing coat comprises a mineral filler having a grain size of between 5 and 35 μm.
7. The construction assembly according to claim 5 , wherein the mineral filler represents between 50% and 85% of the total weight of said joint-pointing coat.
8. The construction assembly according to claim 5 , wherein said joint-pointing coat further comprises a hydrophobic agent, which hydrophobic agent represents between 0.2% and 5% of the total weight of said joint-pointing coat.
9. The construction assembly according to claim 5 , wherein said joint-pointing coat comprises an organic binder dispersible in an aqueous phase, which organic binder represents between 1% and 20% of the total weight of said joint-pointing coat.
10. The construction assembly according to claim 9 , wherein said organic binder represents between 2% and 12% of the total weight of said joint-pointing coat.
11. The construction assembly according to claim 5 , wherein said joint-pointing coat further comprises 1 to 15‰, by weight, of a handling agent.
12. The construction assembly according to claim 11 , wherein said handling agent represents 2 to 12‰ of the total weight of said joint-pointing coat.
13. The construction assembly according to claim 11 , wherein said handling agent is a water-retaining and thickening agent.
14. The construction assembly according to claim 11 , wherein said water-retaining and thickening agent is methylhydroxyethylcellulose.
15. The construction assembly according to claim 5 , wherein said joint-pointing coat further comprises 0.1 to 2%, by weight, of at least one slipping agent.
16. The construction assembly according to claim 15 , wherein said at least one slipping agent represents 0.1 to 0.6% of the total weight of said joint-pointing coat.
17. The construction assembly according to claim 15 , wherein said at least one slipping agent is a clay.
18. A construction assembly, comprising:
a plurality of plaster boards, each of the plaster boards comprising a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein said plaster boards are assembled creating at least one joint; and
a joint-pointing coat jointing said plaster boards to form a substantially plane outer surface comprising the outer surface of said at least one joint and said outer surface of said liner, wherein the composition of the joint-pointing coat is adapted for the finishing of said at least one joint;
wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner are adapted to form an overall surface having a substantially homogeneous coloration;
wherein the joint-pointing coat comprises, by weight based on the total weight of the joint-pointing coat;
between 50% and 85% of at least one mineral filler of white color, having a grain size of between 5 and 35 μm;
at least one organic binder dispersible in an aqueous phase, which organic binder represents between 1% and 20%;
at least one handling agent;
water up to 100%.
19. The construction assembly according to claim 18 , wherein said joint-pointing coat comprises 1 to 15‰, by weight, of a handling agent which is a water-retaining and thickening agent.
20. The construction assembly according to claim 18 , wherein said organic binder represents 2 to 12% of the total weight of said joint-pointing coat.
21. The construction assembly according to claim 18 , wherein said joint-pointing coat comprises 0.1 to 2%, by weight, of a slipping agent which is a clay.
22. The construction assembly according to claim 18 , wherein the reflectance factors of said joint-pointing coat in a dry state and the liner are substantially homogeneous in virtually the entire overall surface and are between 70% and 80% for a wavelength of 457 nm.
23. The construction assembly according to claim 22 , wherein the reflectance factors are between 72% and 76% for a wavelength of 457 nm.
24. A construction assembly, comprising:
a plurality of plaster boards, each of the plaster boards comprising a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein said plaster boards are assembled creating at least one joint; and
a joint-pointing coat jointing said plaster boards to form a substantially plane outer surface comprising the outer surface of said at least one joint and said outer surface of said liner, wherein the composition of the joint-pointing coat is adapted for the finishing of said at least one joint;
wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner each have a surface water absorbability which is at least 60 minutes such as measured by the water drop test at 23° C. and each have a surface having a reflectance factor between 70% and 80% for a wavelength of 457 nm.
25. The construction assembly according to claim 24 , wherein the reflectance factor is between 72% and 76% for a wavelength of 457 nm.
26. The construction assembly according to claim 24 , wherein said joint-pointing coat comprises a mineral filler and a binder.
27. The construction assembly according to claim 26 , wherein said joint-pointing coat comprises a mineral filler having a grain size of between 5 and 35 μm.
28. The construction assembly according to claim 26 , wherein the mineral filler represents between 50% and 85% of the total weight of said joint-pointing coat.
29. The construction assembly according to claim 24 , wherein said joint-pointing coat further comprises a hydrophobic agent, which hydrophobic agent representing between 0.2% and 5% of the total weight of said joint-pointing coat.
30. The construction assembly according to claim 26 , wherein said joint-pointing coat comprises an organic binder dispersible in an aqueous phase, which organic binder represents between 1% and 20% of the total weight of said joint-pointing coat.
31. The construction assembly according to claim 26 , wherein said organic binder represents between 2% and 12% of the total weight of said joint-pointing coat.
32. The construction assembly according to claim 24 , wherein said joint-pointing coat further comprises 1 to 15‰, by weight, of a handling agent.
33. The construction assembly according to claim 32 , wherein said handling agent is a water-retaining and thickening agent.
34. The construction assembly according to claim 24 , wherein said joint-pointing coat further comprises 0.1 to 2%, by weight, of at least one slipping agent.
35. The construction assembly according to claim 34 , wherein said at least one slipping agent is a clay.
36. A method for the construction of interior works, the method comprising:
assembling a plurality of plasterboards with a joint between adjacent plasterboards, wherein each of the plasterboards includes a plaster body and a sheet of liner and the sheet of liner includes an outer surface;
finishing the joints between the plasterboards with at least one joint-pointing coat; and thereafter
drying said joint-pointing coat on the joints,
wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner each have a surface water absorbability which is at least 60 minutes such as measured by the water drop test at 23° C.;
whereby forming an overall surface ready to be decorated.
37. The method of claim 36 , further comprising the step of painting said overall surface.
38. A method for the construction of interior works, the method comprising:
assembling a plurality of plasterboards with a joint between adjacent plasterboards, wherein each of the plasterboards includes a plaster body and a sheet of liner and the sheet of liner includes an outer surface;
finishing the joints between the plasterboards with at least one joint-pointing coat; and thereafter
drying said joint-pointing coat on the joints,
wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner are adapted to form an overall surface having a substantially homogeneous coloration;
wherein the joint-pointing coat comprises, by weight based on the total weight of the joint-pointing coat;
between 50% and 85% of at least one mineral filler of white color, having a grain size of between 5 and 35 μm;
at least one organic binder dispersible in an aqueous phase, which organic binder represents between 1% and 20%;
at least one handling agent;
water up to 100%;
whereby the overall surface is ready to be decorated.
39. The method of claim 38 , further comprising the step of painting said overall surface.
40. A method for the construction of interior works, the method comprising:
assembling a plurality of plasterboards with a joint between adjacent plasterboards, wherein each of the plasterboards includes a plaster body and a sheet of liner and the sheet of liner includes an outer surface;
finishing the joints between the plasterboards with at least one joint-pointing coat; and thereafter
drying said joint-pointing coat on the joints,
wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner each have a surface water absorbability which is at least 60 minutes such as measured by the water drop test at 23° C. and each have a surface having a reflectance factor between 70% and 80% for a wavelength of 457 nm
whereby forming an overall surface ready to be decorated.
41. The method of claim 40 , further comprising the step of painting said overall surface.
42. A joint-pointing coat which in the dry state of the joint-pointing coat, has a surface having a reflectance factor between 70% and 80% for a wavelength of 457 nm and a surface water absorbability of at least 60 minutes such as measured by the water drop test at 23° C.
43. The joint-pointing coat according to claim 42 , wherein the reflectance factor is between 72% and 76% for a wavelength of 457 nm.
44. The joint-pointing coat according to claim 42 , comprising a mineral filler and a binder.
45. The joint-pointing coat according to claim 42 , comprising a mineral filler having a grain size of between 5 and 35 μm.
46. The joint-pointing coat according to claim 44 , wherein the mineral filler represents between 50% and 85% of the total weight of said joint-pointing coat.
47. The joint-pointing coat according to claim 42 , further comprising a hydrophobic agent, which hydrophobic agent representing between 0.2% and 5% of the total weight of said joint-pointing coat.
48. The joint-pointing coat according to claim 44 , comprising an organic binder dispersible in an aqueous phase, which organic binder represents between 1% and 20% of the total weight of said joint-pointing coat.
49. The joint-pointing coat according to claim 48 , wherein said organic binder represents between 2% and 12% of the total weight of said joint-pointing coat.
50. The joint-pointing coat according to claim 42 , further comprising 1 to 15‰, by weight, of a handling agent.
51. The joint-pointing coat according to claim 50 , wherein said handling agent is a water-retaining and thickening agent.
52. The joint-pointing coat according to claim 51 , wherein said water-retaining and thickening agent is methylhydroxyethylcellulose.
53. The joint-pointing coat according to claim 42 , further comprising 0.1 to 2%, by weight, of at least one slipping agent.
54. The joint-pointing coat according to claim 53 , wherein said at least one slipping agent is a clay.
55. A joint-pointing coat comprising at least a mineral filler and a binder, and which in the dry state of the joint-pointing coat, has a surface having a reflectance factor between 70% and 80% for a wavelength of 457 nm and a surface water absorbability of at least 60 minutes such as measured by the water drop test at 23° C.