Slate Roof Assembly

Assume all elements of the roof assembly must last and function for at least 150 years.

Slate roof assembly.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. For over 40 years we have specialized in installing complex roofing assemblies throughout new england. There are two methods of fixing natural roofing slates.

1 construct the roof properly. Class a roof assemblies also include ferrous or copper shingles or sheets metal sheets and shingles clay or concrete roof tile or slate installed on noncombustible decks or ferrous copper or metal sheets installed without a roof deck on noncombustible framing. Standard roof slate sizes range from 6 x10 to 14 x24 and everything in between. The installation of a natural slate roofing depends on the slate type the style and the design.

This means using a roof deck material with a known and proven longevity of a century and a half which includes solid lumber at least 3 4 inch thick and some other decking materials such as nailable concrete and gypsum.