Mansard Roof Shingle Installation

Figure 5 mansard roof hand sealing example figure 6.
Mansard roof shingle installation. Closed valley applications are acceptable but not. Asphalt roofing cement should meet astm d 4586 type ii. Moreover not many roofing experts will be familiar with this design. Below 40 f shingles are brittle and crack easily when hammered or bent.
For the first shingle in each row you will want to cut off about 6 inches as you go. Above 85 f it is easy to tear the shingles or mar the granular coating. Installation temperature requirements for asphalt shingle roofs ideally shingles should be installed at temperatures ranging from 40 f to 85 f. Flashing details use of roofing cements.
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. In fact you will be able to install multiple gable roofs or hip roofs for the cost of a single mansard roof. Flashing shall conform to the requirements of applicable building code and good roofing practice. 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.
Metal valleys are recommended. Continue to follow these instructions nailing each shingle in with about 4 to 6 nails each. 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. Bear in mind that atlas requires six nails per shingle when fastening shingles to steep roofs when installing laminate or architectural shingles apply six quarter sized dollops of asphalt plastic cement under each shingle.
Shingle application bundle staging alignment fastening hip and ridge caps vents etc. Install open metal valleys. Hence the quality of the mansard roof might not be up to preferable standards. The purpose of this guide is to.
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. Roofer s guide to roof installation. These recommendations may call for up to six fasteners per shingle. 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.
Secure the shingle to the roof deck with fasteners as recommended by the roofing manufacturer. Apply 1 spots of asphalt roofing cement under each corner and at about 12 to 13 in from each edge.