- Author
- Snoke, H. R.
- Title
- Asphalt-Prepared Roll Roofings and Shingles.
- Coporate
- National Bureau of Standards, Washington, DC
- Report
- BMS 70, April 10, 1941, 36 p.
- Keywords
- roofing (finishes) | asphalt | manufacturing | maintenance | weather effects
- Abstract
- Asphalt-prepared roofings are defined, their development is sketched briefly, and recent statistics of production are presented. Factors which influence the choice of roofing materials generally are discussed. Materials used in the manufacture of asphalt-prepared roofings and the processes of manufacture are described. Analysis of typical roofings are shown. Factors which should be considered in purchasing asphalt-prepared roll roofings and shingles are discussed, and illustrated graphically for types of shingles that are used most generally. Methods of application and maintenance are described, and the weathering of asphalt-prepared roofings is dissucssed.