Roofer s guide to roof installation.
Mansard roof shingle installation.
Secure the shingle to the roof deck with fasteners as recommended by the roofing manufacturer.
Once you get to the top you can go to the next side of the roof and work your way up to the top again.
Figure 5 mansard roof hand sealing example figure 6.
For the first shingle in each row you will want to cut off about 6 inches as you go.
Flashing shall conform to the requirements of applicable building code and good roofing practice.
Moreover not many roofing experts will be familiar with this design.
Installation temperature requirements for asphalt shingle roofs ideally shingles should be installed at temperatures ranging from 40 f to 85 f.
Continue to follow these instructions nailing each shingle in with about 4 to 6 nails each.
Corrosion resistant flashing must be used to help prevent leaks where a roof meets a wall another roof a chimney or other objects that penetrate a roof.
Closed valley applications are acceptable but not.
The purpose of this guide is to.
Hence the quality of the mansard roof might not be up to preferable standards.
Shingle application bundle staging alignment fastening hip and ridge caps vents etc.
Above 85 f it is easy to tear the shingles or mar the granular coating.
Use six nails and four spots of asphalt roofing cement for every full shingle for every full shingle as shown below.
Secure the shingle to the roof deck with fasteners as specified in atlas shingle installation instructions.
Below 40 f shingles are brittle and crack easily when hammered or bent.
These recommendations may call for up to six fasteners per shingle.
Special nailing and sealing requirements must be met when installing asphalt based roof shingles on very steep slopes such as a frame or mansard roofs.
Install open metal valleys.
Flashing details use of roofing cements.
Start with 6 rows going up and then across to use as a guide.
In spots equivalent to the size of a quarter a quick setting asphalt adhesive cement must be applied under all shingle tabs immediately upon installation.
Metal valleys are recommended.
According to asphalt shingle installation where we cite best practices guide to residential construction wiley november 18 2005 asphalt shingles should not be installed on vertical walls.
Apply 1 spots of asphalt roofing cement under each corner and at about 12 to 13 in from each edge.