Best low-slope roof system for 1:12
jpherron
17 years ago
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bus_driver
17 years agojpherron
17 years agoRelated Discussions
Low slope roof
Comments (2)I had to look up river rock ballast roof and I think I get the idea. All I can say is, are you sure those rocks are going to stay put? When we moved into our home, which was 3 years old at the time, we had a gravel roof on our low pitched roof (between 3 and 4 in 12). Every time it rained we had gravel on the sidewalk around the house. Every time we had a good wind, we had gravel on the sidewalk. It was supposed to be stuck to the roof! Not nice at all. At the first opportunity we changed out that roof; since money was tight, we lived with it for several years. Maybe you could visit some houses with this type of roof and see if the roof rocks are decorating the ground or staying up where they belong....See MoreLow slope roof and ice
Comments (1)The spikes are designed to break snow and ice into smaller and less dangerous pieces, not to keep it on the roof. There are so-called snow guards which act as low fences to keep ice and snow in place. In this situation - which sounds very dangerous - your best course would be to consult a roofing company about the best action to take. This really isn't a DIY job....See MoreHow to insulate/ventilate standing seam metal roof (1:12 pitch)
Comments (14)No roof can be "flat"; it must slope at least 1/4" per foot and sometimes more to avoid ponding in later years. A standing seam metal roof that can slope 1" per foot needs to be machine crimped as recommended by the manufacturer. You should already be in contact with a manufacturer's rep to get advice for their system for this design. For a conventionally fastened seam design the min slope is usually 4 in 12. I would use full coverage Ice & Water Shield (Grace only) under any metal roofing system Metal will look better if you can actually see the roofing from any place important. The advantage of EPDM single ply roofing is the seams might be 20 or 30 ft apart instead of 18" and it's cheaper and easier to repair. On top of rigid insulation metal would be supported on spaced strapping or continuous sheathing and fully-adhered EPDM would be supported on a wood fiber board. It generally helps to see the house design since so many aspects of exterior design are determined by appearance. I would be concerned with the roof edges and where the roof drains. It is unwise to design one aspect of a house at a time. I can't believe your architect and builder aren't doing this for you....See MoreRafters or Trussed for flat ceiling (1/12 slope)?
Comments (8)I haven't called for dimensional lumber for floor or roof framing in 25 years. Only for small stuff like porch roof framing or a deck (and only then because we have exposure concerns). As noted above, engineered joists are straighter, more uniform, holes can be cut into the web (but with restrictions on where and how big), And they come LONG so one joist can span over a bearing wall and keep going to the next bearing wall (which is usually the ENTIRE width of the house, at least the houses I design) therefore no 1 1/2" offset at a bearing wall. Not a huge deal for experienced carpenters laying subfloor but a small thing that makes their job just a little bit easier....See Morebrickeyee
17 years agojpherron
17 years agobus_driver
17 years agojpherron
17 years agobus_driver
17 years agosombreuil_mongrel
15 years agobrickeyee
15 years agorobin_fla
15 years agomightyanvil
15 years ago
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