steel into a repeating pattern of parallel ribs. The strength and After installation and adequate fastening, floor deck serves several purposes. It a acts as a working platform b stabilizes Roof deck is typically installed to endlap approximately 2" over supports. However, it can be butted or lapped more than
DensDeck Prime can also be used as a form board for poured gypsum concrete deck in roof applications as well as a substrate for spray foam roofing systems. 1/2" and 5/8" DensDeck Prime may also be used in vertical applications as a backer board or liner for the roof side of parapet walls.
ROOFING APPLICATION STANDARD RAS No. 111 STANDARD REQUIREMENTS FOR ATTACHMENT OF PERIMETER WOOD-BLOCKING AND METAL FLASHING 1 Scope 1.1 This Application Standard provides: 1 the minimum criteria for attachment of perimeter Steel Decking 3.7.1 All fasteners shall penetrate the top
Steel floor or roof deck is only as good as its fastening. Whether it is the performance of the product as a diaphragm to transfer wind or seismic forces, resisting wind uplift, acting as a concrete form, providing bracing to beams or joists, or providing a safe working platform during construction, proper fastening makes the deck do its job.
SDI MANUAL OF CONSTRUCTION WITH STEEL DECK SDI MANUAL OF CONSTRUCTION WITH STEEL DECK MOC2 2006 2 2 Roof deck is typically installed to endlap approximately 2 over supports. However, it can be butted or lapped more than 2 to the deck as a diaphragm , any fastening substitution or change should be approved by the design
steel decking to the supporting structure. Support fastener pattern and weld size Required welding electrode Sidelap fastener size and spacing; this may be welds or mechanical fasteners Common weld patterns for roof deck are illustrated in Figure 1.
nailable decks. General fastening frequency and spacing for steel, wood, cast-in-place structural concrete and poured gypsum decks is covered in the ACFoam and Nailable Roof Insulation Fastening Pattern Guide. Refer to the current FM Loss Prevention Data Sheet 1-29 for special considerations
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