Can new plywood be installed on a 40-year-old roof without removing the old? Roy Gingrich of Ellicott City has a 40-year-old house with an asphalt shingle roof surface. The existing asphalt shingles ...

In this video, I discuss the installation of the Georgia-Pacific ForceField Weather Barrier System for the roof of my new workshop. I chose to hire professionals for the installation and explore when ...

Dear Jerry: I have inspected hundreds of roofs, but this one has me puzzled. The house is a two story, about 20 years old. On the east side of the house only, the plywood for the first three trusses ...

Have you ever noticed roofs with shingles popping up all over the place? A common reason for this is the use of nails that are too short. When there are popped nails all over the roof, it might be the ...

Q. This week: I had my roof sheathing replaced a year ago; it was plywood and had delaminated. The contractor thought it might have been due to excess moisture in the attic. This winter, I went up ...

Q. Lately I've seen roofers install a strange product that looks like traditional felt paper, but it's not. It has a peel-away backing paper, and this material sticks to the wood sheathing. What is it ...

Q. I'm trying to educate myself about new construction, as I'm thinking of building a new home. I see carpenters nail on large sheets of wood onto the wall studs. What's the purpose of this funny ...

DEAR TIM: I’m in the process of installing a metal roof over an outside deck. My rafters are in place, and now I’m getting ready to purchase and install my flashing and sheathing. I was planning on ...