Roofing Installation Articles

Leaking Skylight in Metal Roof

August 7, 2009

Q: I had a metal roof installed over existing shingles two years ago. I have continued to have a leaking problem on my carport 10-15 feet below an old skylight. I had it re-flashed but still have some leaking below. I suspect water above it somehow permeates and gets under the roof and leaks below… ( read more )

Metal Over The Old Roof

August 4, 2009

Q: I currently have 2 layers of shingles on my house. I live in south western KY and the house is subjected to lots of thunderstorm with high winds, hail, and heavy rains. We also have several tornadoes. My roof has a lot of wind lift from the last storms that went through and now… ( read more )

Oil Canning Standing Seam

July 6, 2009

Q: I am currently have a galvalume standing seam roof installed on my home. I am seeing lots of oil canning and asked the installer about it. The metal roof is being installed over shingles using a sharkskin underlayment. I noticed that the crew doing the installation is screwing down the pancake screws as tight… ( read more )

Turbine Vents

June 30, 2009

Q: Do i have to put turbine vents on my metal roof? A: Turbine ventss are used to vent excessive heat and moisture out of attics. There is nothing specific about a metal roof in most cases that increases the need for ventilation including turbines. However, I am a strong believer in good attic ventilation… ( read more )

Standing Seam Over Old Shingles

June 24, 2009

Q: We are considering installing 26 gauge standing seam sealed concealed fastener roofing panels over our existing shingles. We had planned to lay a 30 lb. felt down first but the question I have is that some of the shingles are curling on the tab ends, will this show through the panels? I would appreciate… ( read more )

Cathedral Ceilings

Q: My house is a tri-level and the windows on the second floor are very close to the lower roof, so there’s really no room to add strapping over my existing shingled roof. The problem is that I’ve read on your site that it’s code to install metal roofing over strapping if you have a… ( read more )