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Roof start leaking because of dirt and rain water. I use to clean the roof on weekend to avoid roof leaks. and once have used
If installed correctly then yes you can on most systems. This depends on the spacing of your purlins, the type of metal used, the panel style used, the thickness of metal used, and the slope of the roof.
I assume you mean Tyvek housewrap. Tyvek is used as a vapor barrier to keep water and moisture from penetrating walls of a structure. It also helps prevent drafts but at the same time allows the house or structure to breathe. Tyvek is put on walls during construction after the sheathing. This could be plywood or a foam sheathing. It also helps keep the structure or house dry until the exterior finish is applied. Mike Merisko www.sawkerfs.com
Type of shingles to be used, method of putting down, by hand, staples, nail gun, is it a tear off or just a re shingle? new felt , repair of possible rot in sheathing, is roofer insured and bonded, estimate of time to complete, ask for references, contact previous customer to see if they were satisfied. If roofer does not want to supply references, don't use him. Don't advance money for supplies, pay when completed.
That is not a simple anwer. It depends on the roof design and how many, and where the load points are, and the material of the beam(wood, metal, composite). See a structural engineer.
Roof decking, exterior sheathing.
You nail it down to your trusses as support and a nailer for your shingles
Generally, stainless steel or copper nails are used to fasten slate shingles to the roof sheathing.
Sheathing is plywood used in the sides of houses before the actual siding.
1/2, 5/8, 3/4 depending on what it needs to do.
First, if you have not installed the wall sheating you should be able to force your framing back to square with the use of tempory bracing.Bracing should be used to keep framing square and plumb.It should be install on the interior as to allow the wall sheathing to be installed with bracing in place.I suggest plywood sheathing at least on all corners. This helps keep the framing square and plumb. Do not remove any bracing until all wall sheathing,trusses and roof sheathing have been installed.This is very important as the structure could collapse with out it.Also the trusses will need to be cross braced as they go up.
Sheeting is material suitable for forming into sheets. Sheathing is whatever material is used for the purpose of creating a covering. So, sheeting is used to create sheathing. In example, cotton percale sheets can be made into pillow cases (or pillow sheaths).
Wood is the most common material used in construction. You can also install an aluminum roof,or shingles.
Rolled tar paper is used in that situation as a moisture barrier.
In WHAT roof?
If you are planning on building a new home, or rehabbing an existing one, you will have many choices to make. One choice will be whether you will install a standard or solar roof. While a solar roof may be more expensive, there are many benefits that go with it. A solar roof will have solar panels built into it, which can then be used to power different aspects of your home. Over time you will save a considerable amount of money on your utility bills, which will easily offset the costs that came with installing the solar roof initially.
A person can purchase a used Roof Box on eBay, the Sears website, and the Amazon website. Craigslist and Discount Tramps also advertise used roof boxes on their websites.