Guest User
4/14/2005
I have existing shingles, want to put on galvanized roof. I believe roof has to be ripped and redone with metal. My question is, does thr new roof need sheeting, then metal? I have had conflicting answers on this. Need help. thanks, Gail
Todd Miller
Isaiah Industries, Inc.
4/14/2005
Most metal roofs designed and intended for residential application do require decking. Some products, which can be installed over battens, have a requirement by their manufacturer that solid decking be in place for residential applications. I personally would never install a residential metal roof without solid decking underneath of it and good ventilation beneath of that.
Guest User
4/25/2005
Hi, my wife is considering buying a condominium in Westford Vermont (zone 3 at best and maybe zone 2). They are currently or have just finished installing a metal roof. They have two buildings. One building had the old plywood sheets pulled up, old insulation pulled, then new insulation, fiberglas batten (not sure which side is up) and then plywood nailed over it. Then strapping then more plywood, then the metal roof was attached. In the second building (which contains my wifes perspective residence), they pulled the old plywood, then put in insulation with the vapor barrier up. Then strapping and the metal roof over that. Our buidling inspector says this is very poor and that the insulationwill be moldy in a year and that in 4 years a new roof will be required. Can you tell me your opinion. My wife has a deadline of two days (4/27) in which to respond. Thanks
Todd Miller
Isaiah Industries, Inc.
4/25/2005
Provided the vapor barrier works, things should be fairly good. Just the same, I would like to see some eave to ridge ventilation going on but I am afraid that may not be possible, depending up the insulation and strapping situation.
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