I agree with Slumlord, and Kellory. Listen to these guys. Unless you tear off the shingles you have no idea what is below, or what the condition is. Once you get it done and inspected you are ready to go. Unless you already have shingles off, you really have no idea what the condition of the decking is. If the decking is OSB then use 1X3 or 1X4 strips to screw to. The manufactures of metal roofing I've seen throw your warranty out if it's not attached to plywood. IF it's 3/8 ply you have the same problem. If it's a concern to you, why haven't you talked to the company providing the metal? If you want their warranty, find out what THEY require.
the guy is talking about an old mobile home he camps out of......looking to keep it as low cost as possible, in this case furring strips over the shingles will work.
would I do that on my house ...no...…..kellory ..I am a general contractor....anytime someone lists 4,5,6 jobs in the trades that he does., usually means he isn't good at any of them.....bob
Lol..... yes, it can mean he never figured it out, and just moved on, true. But try that when you are working for family. That general contractor is my father, the Engineer.
(And my role model)
My job was to solve problems, keep jobs moving and on time, jump into any job that needed help, and I was good at it. I gave it up to go to college, stepping down to laborer to concentrate on my studies.
I'm still a trouble shooter, a service tech in the trades, and a specialist for more than the last 35 years. But you are welcome to your opinion, sir.
