Is Roofing Tar Paper Flammable

When stacked heat induced spontaneous combustion is readily possible with fresh roofing felt being at particular risk of spontaneous combustion.

Is roofing tar paper flammable.

No open flames or smoking should be near the product during installation. The ignition temperature is 365 c. Since roofing felt is a flammable material it should be protected from sparks and smoking must be strictly prohibited. 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.

Single ply roofing a sub specialty category routinely uses highly flammable and toxic materials adhesives and solvents during installation. Due to its manufacture with petroleum products roofing felt is flammable. Felt otherwise known as underpayment is required when. Today s single ply roofing involves the adhesion of an impervious roofing membrane by adhesives and solvents which are extremely flammable and some toxic.

Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. Historically the use of chemical products by roofing workers had been fairly limited to propane hot asphaltic tar or rubber and light gravel.