Fire and water resistant expansion joint system

• US 9,670,666 B1
• Filed: 12/28/2012
• Issued: 06/06/2017
• Est. Priority Date: 11/20/2008
• Status: Active Grant

• Current Assignee: Emseal Joint Systems Limited
• Original Assignee: Emseal Joint Systems Limited
• Inventors: Witherspoon, Bill, Hensley, Lester
• Primary Examiner(s): GILBERT, WILLIAM V
• Application Number:
  US13/729,500
• Time in Patent Office: 1,621 Days
• Field of Search: 52395, 5239601, 52465, 52466, 52467, 52468, 52232, 52317, 52393, 5239603, 5239604, 5239607, 5239606, 525861, 525862, 404 47, 404 68
• CPC Class Codes: E04B 1/68 of joints, e.g. expansion joints packing for joints in roads or airfields E01C11/02; expansion joints for bridges E01D19/06; sealing joints between foundation piles E02D5/14; joints in foundation structures E02D29/16; devices for sealing the spaces or joints between roof-covering elements E04D1/36; sealing joints between roof-covering elements E04D3/38; construction of joints for flooring or floor layers composed of a number of similar elements E04F15/02005; construction of joints for flooring or floor layers made of masses in situ E04F15/14
• CPC Class Codes: E04B 1/6806 Waterstops E04B1/6807 takes precedence
• CPC Class Codes: E04B 1/6812 Compressable seals of solid form
• CPC Class Codes: E04B 1/944 covered with fire-proofing material
• CPC Class Codes: E04B 1/948 Fire-proof sealings or joints for doors or windows E06B5/164
• CPC Class Codes: E04B 1/98 against vibrations or shocks on foundations E02D31/08; against mechanical destruction, e.g. by air-raids against incendiary damage only E04B1/94; finishing work therefor E04F; buildings withstanding earthquake or the like, shelters, arrangements of splintercatching walls E04H9/00
• CPC Class Codes: E04C 2/205 of foamed plastics, or of plastics and foamed plastics, optionally reinforced

Abstract

A fire resistant and water resistant expansion joint system comprises a core; and a fire retardant infused into the core. The core infused with the fire retardant is configured to define a profile to facilitate compression of the fire and water resistant expansion joint when installed between substantially coplanar substrates.

Claims

1. A fire and water resistant expansion joint system, comprising:

a core; and

a fire retardant infused into the core;

wherein the core infused with the fire retardant is configured to facilitate compression of the fire and water resistant expansion joint system when installed between substrates, and wherein the fire retardant infused core has a density when compressed of about 160 kg/m³ to about 800 kg/m³, and the fire and water resistant expansion joint system and the fire retardant infused core are capable of withstanding exposure to a temperature of about 540°

C. at about five minutes, and the fire retardant infused core is configured to pass testing mandated by UL 2079.

2. The fire and water resistant expansion joint system of claim 1, wherein the ratio of the fire retardant infused into the core is in a range of about 3.5:

1 to about 4;

1 by weight.

3. The fire and water resistant expansion joint system of claim 1, wherein a layer comprising the fire retardant is sandwiched between material of the core.

4. The fire and water resistant expansion joint system of claim 3, wherein the layer is oriented, with respect to a direction in which the joint extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof.

5. The fire and water resistant expansion joint system of claim 1, wherein an additional material is infused into the core and is selected from the group consisting of an acrylic, a wax, an ultraviolet stabilizer, a polymeric material, and combinations of the foregoing materials.

6. The fire and water resistant expansion joint system of claim 1, wherein the fire retardant infused into the core is selected from the group consisting of water-based aluminum tri-hydrate, metal oxides, metal hydroxides, aluminum oxides, antimony oxides and hydroxides, iron compounds, ferrocene, molybdenum trioxide, nitrogen-containing compounds, phosphorus based compounds, halogen based compounds, halogens, and combinations of the foregoing materials.

7. The fire and water resistant expansion joint system of claim 1, wherein a water resistant layer is disposed on a surface of the core.

8. The fire and water resistant expansion joint system of claim 7, wherein the water resistant layer is adhesively disposed on the surface of the core and is selected from the group consisting of silicone, polysulfides, acrylics, polyurethanes, poly-epoxides, silyl-terminated polyethers, and combinations of one or more of the foregoing.

9. The fire and water resistant expansion joint system of claim 7, further comprising a second layer disposed on the water resistant layer, wherein the second layer is selected from the group consisting of another water resistant layer, a fire barrier sealant layer, and combinations thereof.

10. The fire and water resistant expansion joint system of claim 1, comprising a fire barrier sealant layer.

11. The fire and water resistant expansion joint system of claim 1, comprising a layer comprising a caulk.

12. The fire and water resistant expansion joint system of claim 1, wherein the core uncompressed has a density of about 50 kg/m³ to about 250 kg/m³.

13. The fire and water resistant expansion joint system of claim 1, wherein a first coating is located on a surface of the core, and a second coating is located on a surface of the core opposing the first coating, wherein the first coating is the substantially the same as or different than the second coating.

14. The fire and water resistant expansion joint system of claim 13, wherein at least one of the first coating and the second coating comprises a dual coating.

15. The fire and water resistant expansion joint system of claim 1, wherein the core is selected from the group consisting of foam, a paper based product, metal, plastic, thermoplastic, and combinations thereof.

16. The fire and water resistant expansion joint system of claim 1, wherein the core comprises at least one of polyurethane foam, polyether foam, open cell foam, dense closed cell foam, cross-linked foam, neoprene foam rubber, urethane, cardboard, and a composite.

17. The fire and water resistant expansion joint system of claim 1, wherein the core is selected from the group consisting of a plurality of laminations, a solid block, and combinations thereof.

18. The fire and water expansion joint system of claim 1, wherein the core comprises a plurality of laminations, at least one of the laminations is infused with the fire retardant.

19. The fire and water expansion joint system of claim 18, wherein the infused lamination is an inner lamination of the plurality of laminations.

20. The fire and water expansion joint system of claim 18, wherein the laminations are oriented, with respect to the direction in which the joint extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof.

21. The fire and water resistant expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1010°

C. at about two hours to pass the UL 2079 testing.

22. The fire and water resistant expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 930°

C. at about one hour to pass the UL 2079 testing.

23. The fire and water resistant expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1260°

C. at about eight hours to pass the UL 2079 testing.

24. The fire and water resistant expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1052°

C. at about three hour to pass the UL 2079 testing.

25. The fire and water resistant expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1093°

C. at about four hours to pass the UL 2079 testing.

39. A method of installing a fire and water resistant expansion joint system utilizing the expansion joint system of claim 1, comprising:

providing a first substrate of the substrates;

providing a second substrate of the substrates arranged to be at least substantially coplanar with the first substrate and being spaced therefrom by a gap;

inserting the expansion joint system into the gap between the first substrate and the second substrate; and

allowing the compressed expansion joint system to decompress to fill the gap between the first substrate and the second substrate.

40. The method of claim 39, wherein a layer comprising the fire retardant is sandwiched between material of the core.

41. The method of claim 40, wherein the layer comprising the fire retardant is sandwiched between the material of the core and is oriented, with respect to the direction in which the joint extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof.

26. A fire and water resistant architectural joint system, comprising:

a first substrate;

a second substrate arranged at least substantially coplanar to the first substrate; and

an expansion joint located in compression between the first substrate and the second substrate, the expansion joint comprising;

a core having a fire retardant infused therein,

wherein the expansion joint is compressed between the first substrate and the second substrate to accommodate movement there between, and wherein the fire retardant infused core has a density when compressed of about 160 kg/m³ to about 800 kg/m³, and the fire and water resistant architectural joint system and the fire retardant infused core are capable of withstanding exposure to a temperature of about 540°

C. at about five minutes, and the fire retardant infused core is configured to pass testing mandated by UL 2079.

27. The architectural joint system of claim 26, wherein the ratio of the fire retardant infused into the core is in a range of about 3.5:

1 to about 4;

1 by weight.

28. The architectural joint system of claim 26, wherein a layer comprising the fire retardant is sandwiched between material of the core.

29. The fire and water resistant expansion joint system of claim 28, wherein the layer is oriented, with respect to a direction in which the joint extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof.

30. The architectural joint system of claim 26, wherein an additional material is infused into the core and is selected from the group consisting of an acrylic, a wax, an ultraviolet stabilizer, a polymeric material and combinations of the foregoing materials.

31. The architectural joint system of claim 26, wherein the fire retardant infused into the core is selected from the group consisting of water-based aluminum tri-hydrate, metal oxides, metal hydroxides, aluminum oxides, antimony oxides and hydroxides, iron compounds, ferrocene, molybdenum trioxide, nitrogen-containing compounds, and combinations of the foregoing materials.

32. The architectural joint system of claim 26, wherein the core uncompressed has a density of about 50 kg/m³ to about 250 kg/m³.

33. The architectural joint system of claim 26, further comprising a fire barrier sealant layer.

34. The fire and water resistant architectural joint system of claim 26, wherein the architectural joint system is capable of withstanding exposure to a temperature of about 930°

C. at about one hour to pass the UL 2079 testing.

35. The fire and water resistant architectural joint system of claim 26, wherein the architectural joint system is capable of withstanding exposure to a temperature of about 1010°

C. at about two hour to pass the UL 2079 testing.

36. The fire and water resistant architectural joint system of claim 26, wherein the architectural joint system is capable of withstanding exposure to a temperature of about 1052°

C. at about three hour to pass the UL 2079 testing.

37. The fire and water resistant architectural joint system of claim 26, wherein the architectural joint system is capable of withstanding exposure to a temperature of about 1093°

C. at about four hours to pass the UL 2079 testing.

38. A fire and water resistant architectural expansion joint system, comprising:

a first substrate;

a second substrate arranged at least substantially coplanar to the first substrate; and

an expansion joint located in compression between the first substrate and the second substrate, the expansion joint comprising;

a core having a fire retardant infused therein by permeating the fire retardant into the core, and

wherein a layer comprising the fire retardant material is sandwiched between the material of the core, and the core is not coated with any fire retardant material on any outer surface of the core, wherein the expansion joint is compressed between the first substrate and the second substrate to accommodate movement therebetween, and wherein the fire retardant infused core has a density when compressed of about 160 kg/m³ to about 800 kg/m³, and the fire and water resistant architectural expansion joint system is capable of withstanding exposure to a temperature of about 540°

C. at about five minutes, and the fire retardant infused core is configured to pass testing mandated by UL 2079.

42. A fire resistant expansion joint system, comprising:

a core;

a fire retardant material permeated in the core; and

wherein the fire resistant expansion joint system is configured to be installed in a gap between substrates and configured to facilitate compression during use to accommodate movement of the substrates as the fire resistant expansion joint system repeatedly cycles by expanding and contracting in the gap, and wherein the core with the permeated fire retardant material has a density when compressed of about 160 kg/m³ to about 800 kg/m³, and the core with the permeated fire retardant material is configured to maintain fire resistance upon exposure to a temperature of about 540°

C. at about five minutes, and the core with the permeated fire retardant material is configured to pass testing mandated by UL 2079.

43. The fire resistant expansion joint system of claim 42, wherein the core with the fire retardant material has a density when compressed in a range of about 200 kg/m³ to about 700 kg/m³.

44. The fire resistant expansion joint system of claim 42, wherein the core with the fire retardant material uncompressed has a density of about 130 kg/m³ to about 150 kg/m³.

45. The fire resistant expansion joint system of claim 42, wherein the core with the fire retardant material compressed has a density in a range of about 400 kg/m³ to about 450 kg/m³.

46. The fire resistant expansion joint system of claim 42, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 930°

C. for at about one hour to pass the UL 2079 testing.

47. The fire resistant expansion joint system of claim 42, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1010°

C. at about two hours to pass the UL 2079 testing.

48. The fire resistant expansion joint system of claim 42, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1052°

C. at about three hours to pass the UL 2079 testing.

49. The fire resistant expansion joint system of claim 42, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1093°

C. at about four hours to pass the UL 2079 testing.

50. The fire resistant expansion joint system of claim 42, further including a layer comprising the fire retardant material sandwiched between material of the core to pass the UL 2079 testing.

51. The fire resistant expansion joint system of claim 50, wherein the layer is oriented, with respect to a direction in which the gap extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof.

52. A fire and water resistant expansion joint system, comprising:

a core;

a fire retardant material permeated in the core; and

wherein the fire and water resistant expansion joint system is configured to be installed in a gap between substrates and configured to facilitate compression during use to accommodate movement of the substrates as the fire and water resistant expansion joint system repeatedly cycles by expanding and contracting in the gap, and is configured to maintain fire resistance upon exposure to a temperature of about 540°

C. at about five minutes; and

the core with the permeated fire retardant material has a density when compressed in a range of about 160 kg/m³ to about 800 kg/m³, and the core with the permeated fire retardant material is configured to pass testing mandated by UL 2079.

53. The fire and water resistant expansion joint system of claim 52, wherein the core with the fire retardant material compressed has a density in a range of about 400 kg/m³ to about 450 kg/m³.

54. The fire and water resistant expansion joint system of claim 52, further including a layer comprising the fire retardant material sandwiched between material of the core.

55. The fire and water resistant expansion joint system of claim 54, wherein the layer is oriented, with respect to a direction in which the gap extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof.

56. The fire and water resistant expansion joint system of claim 52, wherein the expansion joint system is capable of withstanding exposure to a temperature of about 930°

C. at about one hour to pass the UL 2079 testing.

57. The fire and water resistant expansion joint system of claim 52, wherein the expansion joint system is capable of withstanding exposure to a temperature of about 1010°

C. at about two hour to pass the UL 2079 testing.

58. The fire and water resistant expansion joint system of claim 52, wherein the expansion joint system is capable of withstanding exposure to a temperature of about 1052°

C. at about three hour to pass the UL 2079 testing.

59. The fire and water resistant expansion joint system of claim 52, wherein the expansion joint system is capable of withstanding exposure to a temperature of about 1093°

C. at about four hours to pass the UL 2079 testing.