Hot Melt - Liquid Roofing System

Composition, mixing, handling, application and uses of hot melt liquid roofing and waterproofing systems.

[@MissWobbles]

Wow 👏😱

[@derekcooper257]

see at 2.31 no long sleeved shirt and no gloves.

[@PeakyBlinder]

That regulator is illegal,
You are supposed to use a flash back valve.

[@bumblaster9000]

oh no call the police!!!!!!!!!!!!