Slate Roof Construction Detail

General guidance on the most important points to be considered is given below.

Slate roof construction detail.

Anyone who has detailed a slate roof or any other type of traditional steep slope roof is likely to be familiar with slate roofs published by the national slate association in 1926. Install first piece of copper flashing over bottom of furring strips. Standard roof slate sizes range from 6 x10 to 14 x24 and everything in between. Gable edge projection and drip edge projection can also vary somewhat.

Furring strips were nailed to roof with 2 5 inch hot dipped galvanized common nails. 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. This is 20 ounce copper. The thickness of the slates also affects the weight.

The wood strips should be approximately 3 times the thickness of the slates. Take a look at the slate tile roof installation guide to gather more detailed information regarding the repair installation of slate roofs. Textural slate roofs incorporate slates of different thicknesses uneven tails and a rougher texture than standard slates. The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip.

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. 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. 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. Full application and sitework details are given on pages 8 to 22.

The above illustration shows basic installation details for a traditional standard thickness slate roof.