Puddle Welding Roof Decking

Preheat exemption is possible for arc spot welding roof or floor deck to base materials listed in group i or ii in table 3 1 in aws d1 1. For more than 50 years verco has been manufacturing many different types of deck including roof deck floor deck composite floor deck cellular and dovetail deck. Steel decking is used in many applications but is particularly well suited to roofing and flooring.

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Comparison of hilti mechanical fastening system for decking vs.

Puddle welding roof decking.

Standard deck attachment details. Following are the details you ll need about any of our products. Arc spot welds often referred to as puddle welds are similar to plug welds except that the thin top sheet does not require a hole to be pre punched prior to welding. Sdi white paper arc puddle welds and weld washers for attachments in steel deck l d.

Arc spot welds also referred to as puddle welds. Long for arc seam welds. Traditional and automated deck fastening using a range of methods new millennium roof deck form deck and composite deck can be attached to supports and at side laps with welds or with mechanical fasteners such as power actuated fasteners and screws. In all cases the wps needs to be qualified by test.

Diameter for arc spot welds or at least 3 8 in. Arc seam and arc spot welds are to be located and spaced as described in the tables. The following csm products solutions standard attachment pattern has been provided as a minimum recommendation for the product speciﬁed. Arc puddle welding duration.

Arc seam and arc spot welds are to be done as seen in the images below. Long for arc seam welds. The anchorage system of roof deck units to supporting members consists of deck to support deck to deck sidelap and deck to perimeter. Steel deck is often installed using arc spot welds either with or without weld washers.

Hilti north america recommended for you. When vero roof deck is to be welded to supports the effective fusion area is to be at least in. Deck attachment patterns are designed by the engineer of record. Luttrell 2007 ansi sdi c1 0 2006 standard for composite steel.

When metal deck is to be welded to supports the effective fusion area is at least 1 2 in. Diameter for arc spot puddle welds figure 3 or at least 3 i in. B deck 36 4 pattern notes. World s best tree felling tutorial.

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