Roofing Installation Articles

Low Slope Roofing

June 17, 2009

Q: I have been reading and it seems that there is some debate whether Metal Roofing can be installed on a very low slope roof such as my own at 2:12 pitch. I understand that there may be some manufacturers that have a metal product that CAN be installed on such a roof. Is there… ( read more )

Metal on a Round or Curved Roof

June 16, 2009

Every once in awhile, someone asks me about putting metal on a roof that is either round or else has a concave or convex curved roof up the rafter like a bell shape. Vertical seam panels, unless hand-formed or customer curved, do not work real well on concave or convex surfaces. On a round roof,… ( read more )

Strapping or No Strapping

June 12, 2009

Question from June in New Hampshire: Q: Greetings: – We are in the process of contacting contractors regarding the installation of a metal roof on our home and with each contractor that comes to the house we are getting more and more confused: 1. Should it be installed over the existing asphalt or strapping 2…. ( read more )

Underlayment or Not?

June 9, 2009

Craig asks: Q: Hi, I’m considering replacing the roof on my hunting camp with new tin. I was curious what to put under the tin as a underlayment. I believe there is tar paper now however someone told me I didn’t need an underlay and could just fasten it directly to to the boards. This… ( read more )

Installation Manual for Flashing

A homeowner from North Carolina wrote: Q: Dear sir, Could you please send me a manual on how to apply flashing around objects. I am putting on a metal roof on and I have skylights and chimneys. If not, could you tell me where to get one. My response follows: A: Installation procedures and flashing… ( read more )

Can Metal Be Installed Over Two Layers?

Dean wrote and asked me: Q: My cottage has one layer of shingles. But my detached garage has two layers. They are getting very old with mold growing on them and are curling in spots. Is it advisable to install metal shingles over the existing layers of asphalt singles? I responded: A: The low weight… ( read more )