Re-roofing a geodesic dome.. - Contractor Talk
网页2010年3月12日 · peterjames said: Roofing is one part of a construction job that requires due diligence when determining the amount of material necessary. Basically, roofing comes in two forms (metal and shingles). The metal comes in sheets that are 42 inches wide by 10 feet long, and asphalt shingles come in bundles of 26.
metal roof. Lathe? | Contractor Talk - Professional Construction …
网页2005年2月9日 · What matters is the decimal thickness of the metal. The nominal decimal thickness for 29 GA is .0172 with a high end of .0202 and a low end of .0142. Rarely have I seen metal roofing delivered on the high, or nominal end. It's usually on the low end. Lets put it this way, 29 GA is really thin.
Best flashing and patch options for commercial metal roofs
网页2022年8月5日 · The best option for an easy to use flashing and patch for commercial metal roofs is GAF Acrylic Flashing with a fleece strip. GAF Acrylic Flashing is a self-adhesive, flexible flashing material designed for use on a variety of roofing substrates, including metal. It is UV resistant, waterproof, and has a strong adhesive backing for a secure bond.
Trimming metal roof back with no rusting - Contractor Talk
网页2016年11月30日 · Galvanizing material doesn't move. A clean edge (or polished edge) will have less surface area to rust, and the existing galvanizing material on the metal will prevent the rust creep. A sheer or nibbler will be cleaner, and not have hot metal sparks that can in-bead into surrounding surfaces which will rust and appear to be as if its the base ...
Left Over Roofing Materials.. What do you guys do - Contractor Talk
网页2012年10月3日 · Company shall not be responsible for an exact match of any materials, including but not limited to, roofing, siding, metal work, and shingle shading. All materials shall remain the property and title of the Company unless, at Company’s option, turned over to the Owner upon the completion of the Work.
Out of square metal roof install help - Contractor Talk
网页2012年2月3日 · Thanks for all of the input. I always square to the eave and the metal is 12 inch wide standing seam. I would like to know if anyone recommends doing a square up on the roof when doing the bid to see if I should order longer panels than necessary to accomodate for the out of square condition.
metal roof coating | Contractor Talk - Professional Construction …
网页2007年2月8日 · An Alkyd primer is a better bet for acrylic based metal roof coatings. Acrylic on metal is best left for moderate climates and perhaps metal roofs previously coated with asphalt-based coatings. Solvent based SEBS thermoplastic rubber based coatings are your best bet. They are highly impermeable averageing less than .2 perms.
metal roof paint | Contractor Talk - Professional Construction and ...
网页2009年7月29日 · 225 posts · Joined 2008. #1 · Jul 29, 2009. I am painting a metal morton building using dtm semi gloss. The weather is around 82. I have sprayed the roof twice. I am really getting flashing badly. It also has a dull finish in some areas. I'm doing two to three panels at a time and keeping a wet edge as I spray them down the roof.
1/12 pitch roof - Contractor Talk
网页2010年8月3日 · D. Doubleoh7 Discussion starter. 790 posts · Joined 2009. #25 · Aug 3, 2010. deckman22 said: No way I'd use shingles, metal roofing works fine on 1/12 pitch roof. Look at the wrapping on the shingles says 3/12 pitch minimum. I've torn down more than one roof that was rotting the plywood in less than 5 years that were shallow pitched roofs ...
Pole Barn Metal Roof - Contractor Talk
网页2021年8月8日 · First let's assume that the neutral temperature (average) is 68 degrees year round. without snow cover in say Late January the metal could get as cold as say -30F. -30-68= -98deg .00234*98= -.229inches SHRINKAGE from average length. In full sun in summer the roof might get to 168 degrees. 168-68=100.