Roofing Installation Articles

Battens or no Battens?

November 7, 2011

Greg from Florida recently sent me this question: Q: I am looking to have a metal roof installed over my existing single layer shingle roof. I have had several estimates from companies but the one difference I see is that some companies want to use purlins (battens) and others do not. Are there a advantages… ( read more )

Does A Metal Roof Need To Be On Battens?

September 25, 2010

Q: I have removed all the old shingles from the roof boards (not plywood) the roof is in great shape and have installed an ice shield over the roof. Can I install the metal roof over the Ice shield or do I need the 1 X 4 battens every 2 feet as well, It’s a… ( read more )

Low-Pitch Roofing

September 19, 2010

Q: We are re-roofing our Colorado mountain cabin. There is a large portion of the roof that is virtually flat and has, historically, been the source of much leakage. It was covered a year ago by new asphalt. We are now planning to install a metal roof. Is metal a good choice for this low-pitch… ( read more )

Going Over Old Roofs (Roofing Weight)

December 15, 2009

Q: “I hear differing opinions on installing metal over old shingles. Can the metal be too much roofing weight on a home?” A: Most metal roofs weigh from 40 pounds per square (aluminum) up to maybe 145 (for stone coated steel). A square is 100 square feet. Asphalt shingles on the other hand weigh from… ( read more )

Install Over Low Slope Torch Down Roof

September 24, 2009

Q: I have a 1950’s home that is in need of new roof (estimated year left on old, very low slope torch down roof). I am interested in placing a metal roof on the home and am curious if it possible to install over the existing torch down assuming there are no leaks and sheathing… ( read more )

Cedar Shake Replacement

Q: I currently have a Cedar Shake shingle roof that is some twenty years old. Im considering having a metal shingle style roof installed. My concern is the under lay, and future repair to metal shingles. Is it appropriate to install the metal shingles over the cedar shingles? Once a metal shingle roof is installed… ( read more )