Asphalt Roofing

DIY FAQs

Search

Can dirt and debris buildup hurt my roof?

Yes. Dirt and debris such as limbs, leaves or pine straw can hold moisture that can cause mildew and damage to the...

 

What are some signs my roof is getting old or has problems?

When inspecting your roof, check for cracked, warped or missing shingles. Also look for seams that are loose and flashing that has deteriorated....

 

What is a “square” in roofing terms?

A square is 100 square feet of shingles on a roof. Shingles are typically sold in bundles and will tell you how many bundles it takes to make a...

 

What’s the difference between a roofing nail and a shingle nail?

A roofing nail has a large head for holding down asphalt roofing, which is typically asphalt shingles. The large head helps reduce “tear...

 

Why are the shingles I just installed already blowing off the roof?

One possible cause is that the shingles were laid in the fall or winter and the self-sealing tab never had the opportunity to properly seal. This...

 

Can I just lay down the new shingles over the old ones?

You can put asphalt shingles over an existing roof. However, if there is more than three layers of old roofing on the structure, they must be...

 
 
 
 


advertisement