The directory of roof assemblies dora is a web application database of roof systems tested in accordance with standards referenced in chapter 15 of the international building code ibc.
Shingle roof assembly.
The first thing to know about your roofing project.
Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally.
Professional installers have long preferred the rugged dependable professional installers have long preferred the rugged dependable performance that only a timberline roof can offer.
Roof shingles consist of a series of individual overlapping components that when laid together in rows or courses starting at the bottom edge of a roof form a barrier designed to repel water snow and ice.
Steep slope or pitched roofs will almost never include insulation as a part of the roof assembly.
With these advancements came a new name.
Browse owens corning roofing shingles by color shingle lines price features wind resistance and or warranty to find the right roof for your home.
Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only.
Owens corning produces high quality asphalt coating asphalt sealants and adhesives for asphalt shingles.
We can even help you find a professional to install it.
Since your roof can represent up to 40 of your home s curb appeal you can improve its resale value with timberline natural shadow shingles from gaf.
But performance is only half the story.
Thanks to digital technology all of your decisions and interactions from selecting the right roofer to choosing a shingle to paying the contractor can be done at a distance.
Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing.
See the links below for building code information about r values and residential construction.
This service lists wind uplift load capacity on single ply and modified bitumen roof systems.
And your family can remain in the home during the installation or repair.
Let owens corning help you determine when it is time for a new roof and then let us help you choose the shingles for your roof that are right for you.
Everything can be done at a distance.
Assemblies may be easily searched viewed saved and printed.
Butt a full shingle up against the cut shingle and nail into place.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
Roof shingles are installed in such a fashion that each seam or joint is overlapped by a shingle further up the roof.