Slate Roof Assembly

Standard roof slate sizes range from 6 x10 to 14 x24 and everything in between.

Slate roof assembly. Require listing and labelling of roofing underlayments these products play a critical role in achieving class a b or c fire classification of roof assemblies. Please note that the r values for roof membranes shingles tiles air films and roof deck materials might or might not be permitted by your local code to be included when total roof assembly r value is being calculated for the purpose of satisfying energy code requirements. 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. For over 40 years we have specialized in installing complex roofing assemblies throughout new england.

For over 40 years we have specialized in installing complex roofing assemblies throughout new england. We deliver exemplary roofing and flashing installations while fostering relationships built on diligent customer service integrity and hard work. The standard test methods for fire tests of roof coverings ul 790 astm e 108 includes three key tests to provide fire classification of roof covering materials and systems. 1 construct the roof properly.

Don t forget to add all roof assembly materials when calculating total roof weight. Class a roof assemblies include ferrous or copper shingles or sheets metal sheets and shingles clay or concrete roof tile or slate installed on noncombustible decks. Section 1505 3 class b roof assemblies class b roof assemblies are those that are effective against moderate fire test exposure. Class a roof assemblies include minimum 16 ounces per square foot copper sheets installed over combustible decks.

Slate and copper services is a family owned and operated company that was established in 1978. Slate roofs national slate association 1926. Class b roof assemblies and roof coverings shall be listed and identified as class b by an approved testing agency. This includes the roof deck and the supporting structure typically roof trusses and or rafters as well as the roof system itself.

Slate and copper services is a family owned and operated company that was established in 1978. Assume all elements of the roof assembly must last and function for at least 150 years. 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. 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.

Slate roofing 3 4 inch slates. The thickness of the slates also affects the weight.