Slate Roofing Installation Details

Architectural drawings accurately illustrate flashing and roof lay out.

Slate roofing installation details. Gable edge projection and drip edge projection can also vary somewhat. Imperfections in the decking may transmit through to the finished roof. The mission of the national slate association is to establish a material and installation standard for and promotion of natural roofing slate in north america. Slatetec installation genuine slate less weight.

You will need longer nails when installing ridge slates over vent material. All new nsa members receive one free copy of the award winning. Beauty and longevity of a slate roof but not the extra weight. Take a look at the slate tile roof installation guide to gather more detailed information regarding the repair installation of slate roofs.

The above illustration shows basic installation details for a traditional standard thickness slate roof. The slatetec slate roof system is an innovative lightweight approach to installing a genuine slate roof. Installation when laying out a roof in preparation for slating it chalk lines across the entire roof area marking the top edge of every row of slate. Using their very rugged interlayment a slatetec roof uses far less slate overlap than in a traditional installation.

This gold circle award winning book masterfully renders every design and installation detail to be found in slate roofing. A minimum 15 32 apa approved plywood or 7 16 approved osb. The association which started in 1922 and was reformed in 2002 spans quarriers contractors architects consultants and distributors with a connection to natural slate. No aluminum drip edges as are commonly used on asphalt shingle roofs are needed on slate roofs when measuring for the starter slate and the first row allow for the slate to hang beyond the drip.

The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip. In this case 2 5 inch copper roofing nails were used. Vertical rod is a lightning rod. The slate roofing contractors association maintains a list of reputable manufacturers and quarries on its website.

Make a batten gauge block after you have worked out your desired batten gauge consider making a batten gauge block from an offcut of batten. Install ridge slates and flashings in the same manner as installing slate hips except ridge joints should be caulked. Alternate solutions to slate roofing problems are provided. Architects consultants slate installers and designers rave about this book.

Bellaforté slate must be installed on a smooth flat surface plywood or osb.