Is Roofing Tar Paper Flammable

Once secured between the sub floor and the newly laid floor the material will be secure from open flames and will be no more of a fire threat than when used on the roof of a building.

Is roofing tar paper flammable. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. Roofing felt also known as tar paper serves as both an extra layer of protection between the shingles and the plywood and as a temporary moisture barrier until all the shingles are in place. Historically the use of chemical products by roofing workers had been fairly limited to propane hot asphaltic tar or rubber and light gravel. Since roofing felt is a flammable material it should be protected from sparks and smoking must be strictly prohibited.

The ignition temperature is 365 c. Roofing felt can be ignited by a match flame. Depending upon use these products have the potential to expose workers to dangerous levels of toxic vapor fire and explosion during handling. Due to its manufacture with petroleum products roofing felt is flammable.

No open flames or smoking should be near the product during installation. Felt otherwise known as underpayment is required when.