Mansard Roof Shingle Installation

The purpose of this guide is to.

Mansard roof shingle installation.

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. Closed valley applications are acceptable but not. Secure the shingle to the roof deck with fasteners as specified in atlas shingle installation instructions. Roofer s guide to roof installation.

These recommendations may call for up to six fasteners per shingle. Continue to follow these instructions nailing each shingle in with about 4 to 6 nails each. Moreover not many roofing experts will be familiar with this design. Start with 6 rows going up and then across to use as a guide.

Hence the quality of the mansard roof might not be up to preferable standards. Above 85 f it is easy to tear the shingles or mar the granular coating. Install open metal valleys. In fact you will be able to install multiple gable roofs or hip roofs for the cost of a single mansard roof.

Installation temperature requirements for asphalt shingle roofs ideally shingles should be installed at temperatures ranging from 40 f to 85 f. 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. Use six nails and four spots of asphalt roofing cement for every full shingle for every full shingle as shown below. Apply 1 spots of asphalt roofing cement under each corner and at about 12 to 13 in from each edge.

For the first shingle in each row you will want to cut off about 6 inches as you go. Metal valleys are recommended. 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. 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.

Flashing shall conform to the requirements of applicable building code and good roofing practice. Below 40 f shingles are brittle and crack easily when hammered or bent. 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. 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.

Shingle application bundle staging alignment fastening hip and ridge caps vents etc. Flashing details use of roofing cements.