Mansard Roof Shingle Installation

These recommendations may call for up to six fasteners per shingle.

Mansard roof shingle installation.

Install open metal valleys. Above 85 f it is easy to tear the shingles or mar the granular coating. Secure the shingle to the roof deck with fasteners as specified in atlas shingle installation instructions. Moreover not many roofing experts will be familiar with this design.

Shingle application bundle staging alignment fastening hip and ridge caps vents etc. Metal valleys are recommended. Continue to follow these instructions nailing each shingle in with about 4 to 6 nails each. 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.

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. Flashing details use of roofing cements. For the first shingle in each row you will want to cut off about 6 inches as you go. 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.

Hence the quality of the mansard roof might not be up to preferable standards. Below 40 f shingles are brittle and crack easily when hammered or bent. Roofer s guide to roof installation. Closed valley applications are acceptable but not.

In fact you will be able to install multiple gable roofs or hip roofs for the cost of a single mansard roof. Figure 5 mansard roof hand sealing example figure 6. Use six nails and four spots of asphalt roofing cement for every full shingle for every full shingle as shown below. 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.

Flashing shall conform to the requirements of applicable building code and good roofing practice. The purpose of this guide is to. Asphalt roofing cement should meet astm d 4586 type ii. Apply 1 spots of asphalt roofing cement under each corner and at about 12 to 13 in from each edge.

Start with 6 rows going up and then across to use as a guide. Installation temperature requirements for asphalt shingle roofs ideally shingles should be installed at temperatures ranging from 40 f to 85 f.