Modular construction fire stop assembly
An improved fire barrier assembly is disclosed for use between two structures, either in a compressive mode or a combination compression/shear mode. The assembly includes at least a single foam core, or two foam cores separated by a gap. At least one foam core includes an intumescent layer. An outer wrap of a fire-resistant fabric surrounds the foam core. The assembly is fastened to one surface of one structure.
1. An elongated fire barrier assembly intended to be positioned between adjacent surfaces of two modular building units, comprising:
a first foam core having a first layer of foam, a second layer of foam and an intumescent layer sandwiched between the first and second layers of foam;
an outer wrap of a fire-resistant fabric surrounding the first foam core; and
fasteners configured to attach the first foam core and the outer wrap to a first surface of one of the building units.
2. The elongated fire barrier assembly of claim 1 , further comprising a second foam core spaced apart from the first foam core by a gap.
3. The elongated fire barrier assembly of claim 2 , wherein the fasteners are mounted to the fire-resistant fabric at the gap.
4. The elongated fire barrier assembly of claim 1 , wherein the fasteners comprise screws.
5. The elongated fire barrier assembly of claim 1 , wherein the fasteners comprise an adhesive.
6. The elongated fire barrier assembly of claim 1 , further comprising a second elongated fire barrier assembly, and wherein the elongated fire barrier assembly and the second elongated fire barrier assembly are spliced together in a male-female configuration.
7. The elongated fire barrier assembly of claim 1 , wherein the fire-resistant fabric is an aluminum coated glass fabric.
8. The elongated fire barrier assembly of claim 1 , wherein the fire-resistant fabric is coupled to the first foam core with double-sided tape.
9. The elongated fire barrier assembly of claim 2 , wherein the fire-resistant wrap is coupled to the first and second foam cores with double-sided tape.
10. The elongated fire barrier assembly of claim 2 , wherein the first and second foam cores comprise polyurethane foam.
11. An elongated fire barrier assembly intended to be positioned between adjacent surfaces of two modular building units, comprising:
a first foam core having a first layer of foam, a second layer of foam and an intumescent layer sandwiched between the first and second layers of foam;
an outer wrap of a fire-resistant fabric surrounding the first foam core; and
fasteners configured to attach the first foam core and the outer wrap to a first surface of one of the building units.
12. The elongated fire barrier assembly of claim 11 , further comprising a second foam core spaced apart from the first foam core by a gap.
13. The elongated fire barrier assembly of claim 12 , wherein the fasteners are mounted to the gap.
14. The elongated fire barrier assembly of claim 11 , further comprising a second elongated fire barrier assembly, and wherein the elongated fire barrier assembly and the second elongated fire barrier assembly are spliced together in a male-female configuration.
15. An elongated fire barrier assembly intended to be positioned between adjacent surfaces of two building units, comprising:
a first foam core having a first layer of foam, a second layer of foam, and at least one intumescent layer sandwiched between the first and second foam layers;
a second foam core spaced apart from the first foam core by a gap;
an outer wrap of a fire-resistant fabric surrounding the first foam core; and
a plurality of fasteners mounted to the gap.
16. The elongated fire barrier assembly of claim 15 , further comprising a second elongated fire barrier assembly, and wherein the elongated fire barrier assembly and the second elongated fire barrier assembly are spliced together in a male-female configuration.
17. The elongated fire barrier assembly of claim 15 , wherein the fire-resistant fabric is comprises an aluminum coated glass fabric.
18. The elongated fire barrier assembly of claim 15 , wherein the fire-resistant fabric is attached to the first and second foam cores with double-sided tape.
19. The elongated fire barrier assembly of claim 15 , wherein the first core and second foam cores comprise polyurethane foam.
20. A plurality of elongated fire barrier assemblies, each assembly intended to be positioned between adjacent surfaces of two building units, the fire barrier assembly comprising:
a first foam core having a first layer of foam, a second layer of foam, and at least one intumescent layer sandwiched between the first and second layers of foam;
a second foam core spaced apart from the first foam core by a gap;
an outer wrap of a fire-resistant fabric surrounding the first and second foam cores; and
fasteners to attach the fire barrier assemblies to a first surface of one of the building units at the gap, wherein the multiple elongated fire barriers are spliced together in a male-female configuration.
21. The plurality of elongated fire barrier assemblies of claim 20 , wherein the fire-resistant fabric comprises an aluminum coated glass fabric.
22. The plurality of elongated fire barrier assemblies of claim 20 , wherein the fire-resistant fabric is attached to the first and second foam cores with double-sided tape.
23. The plurality of elongated fire barrier assemblies of claim 20 , wherein the first and second foam cores comprise polyurethane foam.