Slate Roof Construction Detail

Install first piece of copper flashing over bottom of furring strips.

Slate roof construction detail.

Standard roof slate sizes range from 6 x10 to 14 x24 and everything in between. This is 20 ounce copper. The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip. Published more than 85 years ago slate roofs has long been the essential go to guide for determining material quantities roof layout specification data and construction details.

Textural slate roofs incorporate slates of different thicknesses uneven tails and a rougher texture than standard slates. The thickness of the slates also affects the weight. Textural slate roofs are perhaps most often associated with tudor style buildings where slates of different colors are used to enhance the effect. The wood strips should be approximately 3 times the thickness of the slates.

How to lay a slate roof this video takes you through the process of laying slate onto the roof and includes details like abutting walls verges gables eaves slates starter course and top slates. The above illustration shows basic installation details for a traditional standard thickness slate roof. Effective design of a slate roof must take into account a number of inter related factors including site exposure the pitch of the roof the type of slate selected and the slate lap. Take a look at the slate tile roof installation guide to gather more detailed information regarding the repair installation of slate roofs.

For a roof like this that s built to last a century it s better for both contractor and customer if the materials and workmanship are spelled out in detail brax has adopted slate roof. Gable edge projection and drip edge projection can also vary somewhat. The 6x10 slates require 686 slates per square a square is one hundred square feet of roof coverage while the 14x24 only require 98 slates per square. Full application and sitework details are given on pages 8 to 22.

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.