Search
Advanced search
Filter by category
Filter by committee
Search results
-
The ongoing focus on sustainability in construction has contributed to greater interest in vegetative, or green, roof systems, in which traditional roofing material is replaced or supplemented with vegetation. A proposed new ASTM International standard will address an important aspect of designing this kind of roofing: determining the proper roofing and waterproofing membrane for a particular…
-
When fasteners penetrate roofing or waterproofing products as a planned part of installation, it is expected in some cases that the product will resist water migration at the point of penetration. A new ASTM International standard, D7349 , Test Method for Determining the Capability of Roofing and Waterproofing Materials to Seal Around Fasteners, addresses this situation. ASTM D7349 was developed…
-
Modified bitumen products have been in use since the mid-1970s, and represent a substantial percentage of the commercial asphalt roofs installed throughout North America. A new ASTM International standard addresses the use of cold process adhesives in modified bitumen roofing systems. ASTM D7379 , Test Methods for Strength of Modified Bitumen Sheet Material Laps Using Cold Process Adhesive, was…
-
As a means of ensuring the safety of electrical wiring systems in airplanes, ASTM International Committee F39 on Normal and Utility Category Airplane Electrical Wiring Systems has recently approved F2639 , Practice for Design, Alteration and Certification of Airplane Electrical Wiring Systems, a standard developed by Subcommittee F39.01 on Design, Alteration and Certification. According to…
-
A new ASTM International standard, F 2490 , Guide for Aircraft Electrical Load and Power Source Capacity Analysis, has been accepted by the Federal Aviation Administration (FAA) as a means of compliance with 14 CFR 23.1351(a) (2), Electrical System Capacity for Part 23 (and Predecessor) Aircraft. Guide F 2490 was developed by Subcommittee F39.01 on Design, Alteration, and Certification, which is…
-
ASTM International Committee F39 on Normal and Utility Category Airplane Electrical Wiring Systems has approved its first standard, F 2490, Guide for Aircraft Electrical Load and Power Source Capacity Analysis. The new guide covers how to prepare an electrical load analysis to meet Federal Aviation Administration requirements. "This standard is a model for a consistent method of determining the…