United States Government Master Specification for the Construction of Built-up Roofing, Type 5TCS.

United States Government Master Specification for the Construction of Built-up Roofing, Type 5TCS.
Author: United States. National Bureau of Standards
Publisher:
Total Pages: 4
Release: 1924
Genre: Coal-tar products
ISBN:

This roofing shall consist of five layers or piles of coal-tar saturated rag felt cemented together with coal-tar pitch and surfaced with slag, gravel, or similar surfacing materials, as called for in the proposal for the work. Flashings of the type required under the specification for the building shall be included and shall conform to United States government master specification for flashings no. 156 or 157.