Q. Most of the houses we build have 12/12 roofs with plumb fascias. Even though our roofer uses drip-edge, water still sometimes drools down the fascias. What are we doing wrong?
How far beyond the drip-edge should an asphalt shingle extend?
Q: Why is EPDM roofing so much more expensive than torch-applied modified bitumen? Is EPDM roofing that much better?
Q: A customer has a building with a nearly flat roof surrounded by a parapet. The roof drains to a single scupper, which conducts the water to a downspout. Ice builds up regularly in the downspout, and the water backs up and spills down the wall. What’s t
Q: Two years ago, in the middle of the summer, I re-roofed a house here in Montana with three-tab asphalt shingles. The south-facing slope came out perfect, but the north-facing slope would not seal. I know the temperature was hot enough and the installat
