Steel Metal And Metal Roofing
Found 3 free book(s)
Roofing Sheets Installation Guide
www.roofingmegastore.co.ukmetal Z section purlins in Z39 structural grade galvanised steel. These are available with a 140mm, 175mm or 200mm depth Z section and in 1.6mm, 1.8mm and 2mm thicknesssteel. Z section purlins can be made to any length and can be joined by overlapping (one Z section can be turned around andslotted inside
Lightning Safety When Working Outdoors
www.osha.gov• Roofing • Construction (e.g., scaffolding) • Building maintenance • Power utility field repair • Steel erection/telecommunications • Farming and field labor • Plumbing and pipe fitting • Lawn services/landscaping • Airport ground personnel operations • Pool and beach lifeguarding Figure 1: Lightning strikes tall tree.
Proper roof slope and drainage are important to prevent ...
docserver.nrca.netFor steel roof deck attachment to the underlying roof structure, welds or mechanical fasteners typically are used. SDI and FM Global provide two generally recognized but somewhat differing guidelines applicable to the attachment of steel roof decks. The specifics of steel roof deck attach-