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

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

Monthly Catalogue, United States Public Documents

Monthly Catalogue, United States Public Documents
Author: United States. Superintendent of Documents
Publisher:
Total Pages: 1144
Release: 1924
Genre: Government publications
ISBN:

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index