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US 7,877,955 B2Granted
Fire retardant roof structure for styrene insulated roofs and method for making the same
OwnerThomas L. Kellyinventor
Life of this patent
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Abstract
Disclosed is a fire retardant roof system with a roof deck, a sealant material applied to the roof deck to prevent fluid migration, a polystyrene insulation board upwardly adjacent the sealant material and a sealing material upwardly adjacent the polystyrene material.
Claims4
A fire retardant roof system comprising:
- a roof deck;
- a sealant material applied to the roof deck;
- and
- a polystyrene material upwardly adjacent the sealant material, said polystyrene material being meltable into a melted polystyrene material during a fire, and said sealant material being disposed to prevent migration of said melted polystyrene material through said roof deck;
- and
- a further sealant material upwardly adjacent the polystyrene material,
- wherein the sealant material located between the roof deck and the polystyrene material further comprises a matrix lattice material embedded therein.
4 more elements
A method for making a fire retardant roof structure comprising:
- sealing all fluid passageways in a roof deck with a sealant material;
- applying a polystyrene material upwardly adjacent the roof deck and the sealant material said polystyrene material being meltable into a melted polystyrene material during a fire;
- preventing migration of said melted polystyrene material through said roof deck via said sealant material;
- applying a further sealant material upwardly adjacent the polystyrene material;
- and
- embedding a matrix lattice material in the sealant material located between the roof deck and the polystyrene material.
3 more elements
Dependencies are inferred from the claim text.