Roofing Installation Articles

Remove Roof Shingles Before Installing a Metal Roof?

March 26, 2015

I frequently am asked whether homeowners and contractors should remove roof shingles from a home’s roof before a new metal roof is installed. My answer often surprises people. However, it is based upon experience with tens of thousands of installations over many years. My Experience The vast majority of installations of the metal roofing systems… ( read more )

Metal Roofing and Skylights

March 25, 2014

Any type of roofing and skylights have special installation considerations to ensure water-tightness. Many homeowners ask me if they can have a skylight with their metal roof. The answer, of course, is “Yes!” but there are a few things that must be kept in mind. Folks will worry about the noise from rain hitting a… ( read more )

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 )