NJinspector Posted August 6, 2008 Report Share Posted August 6, 2008 I dont get to look at many of these roofs since I dont have the ladder height, but I was able to get up on a lower roof to access. What causes these raised seams, or are they there to help divert water? Image Insert: 96.01 KB What are these called ? Concrete Caps? Image Insert: 106.59 KB thanks guys Link to comment Share on other sites More sharing options...
BornaRoofer Posted August 6, 2008 Report Share Posted August 6, 2008 It appears to me that once upon a time someone laid over a standing seam metal roof. And then the patching began. Link to comment Share on other sites More sharing options...
fqp25 Posted August 6, 2008 Report Share Posted August 6, 2008 Originally posted by NJinspector What are these called ? Concrete Caps? Image Insert: 106.59 KB Coping. Terra Cotta or Clay Tile Frank Link to comment Share on other sites More sharing options...
fqp25 Posted August 6, 2008 Report Share Posted August 6, 2008 As for the seams, what did the underside of the sheathing look like? It might be fatigue or moisture damage to the sheathing. It looks like rafters/roof joists with sheathing sagging between them. (Just an idea.) Frank Link to comment Share on other sites More sharing options...
NJinspector Posted August 6, 2008 Author Report Share Posted August 6, 2008 Thanks Frank, no access to the underside to view the sheathing. Link to comment Share on other sites More sharing options...
Bill Kibbel Posted August 7, 2008 Report Share Posted August 7, 2008 Originally posted by fqp25 As for the seams, what did the underside of the sheathing look like? It might be fatigue or moisture damage to the sheathing. It looks like rafters/roof joists with sheathing sagging between them. (Just an idea.) Frank No, it's the standing seams from the old metal roof. Really, really good roofers walk on them so they fold over first! I regularly see almost every type of roofing material installed over metal roofs. My favorite is always asphalt shingles glued to the old slates. Link to comment Share on other sites More sharing options...
Bain Posted August 7, 2008 Report Share Posted August 7, 2008 My favorite is always asphalt shingles glued to the old slates. Are you serious? I'm thinking you are. What kind of glue? Link to comment Share on other sites More sharing options...
BornaRoofer Posted August 7, 2008 Report Share Posted August 7, 2008 Asphalt rubber cement. I keep mine next to the shingle stretchers. Link to comment Share on other sites More sharing options...
Bill Kibbel Posted August 7, 2008 Report Share Posted August 7, 2008 Originally posted by Bain Are you serious? I'm thinking you are. I'm here in slate roof land, so I get to see every horrible thing that can be done to slate roofs. What kind of glue?Mostly roof cement and Shingle Stick. One that actually seemed to work (I hate to admit) used a spray-on silicone based adhesive. While were on the topic, re-covering over metal is permitted but not over slate, shake, clay/cement tile or cement asbestos. Link to comment Share on other sites More sharing options...
BornaRoofer Posted August 7, 2008 Report Share Posted August 7, 2008 If you roof over a metal roof the ribs are to be filled in between with 1" foam insulation board then a cover board prior to roofing. Link to comment Share on other sites More sharing options...
Phillip Posted August 7, 2008 Report Share Posted August 7, 2008 Originally posted by BornaRoofer If you roof over a metal roof the ribs are to be filled in between with 1" foam insulation board then a cover board prior to roofing. Good roofer will do that. The El Cheap Os will not. You know most home owners are going as cheap as the can. Link to comment Share on other sites More sharing options...
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