WHAT DOES ROOF WATERPROOFING TREATMENT MEAN?

a more moderen, lighter and more robust choice for waterproofing your roof beneath the shingles is thermoplastic polyolefin. You can also find breathable TPO membranes that let water vapor to go through. this might not seem to be the way to waterproof your roof, however the permeability essentially reduces condensation within the attic. being a ho