
Roofing Slate Thickness
By Sheena Owen Aug 2nd, 2017
[caption id="attachment_2556" align="alignleft" width="225"] North Country Unfading Black slate, 3/16"[/caption]
The most common thickness is ¼” and weighs approximately 935 pounds per square when installed with a 3” headlap. Some quarries such as Glendyne, which produces our North Country Unfading Black slate can be split consistently and sold 3/16”, ¼”, 3/8” and ½”.