UL U419 PDF

19 Feb See General Information for Fire-resistance Ratings – ANSI/UL Design No. U February 19, Nonbearing Wall Ratings — 1, 2, 3 or. Fire Rated System Design – UL U or UL U or ULC W Sheetrock® Brand Gypsum Base Imperial® Firecode® C – mm (1/2″) (UL Type IP-X2). Fire Rated System Design – UL U or UL U or ULC W CGC Sheetrock® Brand Mold Tough® Firecode® C Panels – mm (1/2″) (UL Type C).

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Lead discs to have a purity of OC, fabricated from min 0. For direct attachment of gypsum board only.

OC with screws offset 8 in. Horizontal edge joints and horizontal butt joints on opposite sides of studs need not be staggered. Lead batten strips and discs to have a purity of Channels secured to studs as described in Item b.

UL U419 or MEA 81-98-M

Horizontal edge joints and horizontal butt joints in adjacent layers multilayer systems need not be staggered. In addition, the reprinted material must include a copyright notice in the following format: Strips placed on lu interior face of studs and attached from the exterior face of the stud with two 1 in.

The appearance of a company’s name or product in this database does not in itself assure that products so identified have been manufactured under UL’s Follow-Up Service.

Horizontal edge joints and horizontal butt joints in adjacent layers multilayer systems need not be staggered. Gypsum board attached to furring channels as described in Item 6.

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Compression fitted or adhered over the screw heads. Steel Studs — Channel shaped, fabricated from min 25 MSG corrosion-protected u491, min depth as indicated under Item 5, spaced a max of 24 in. OC starting 4 in. Lead batten strips required behind vertical joints of lead backed gypsum wallboard Item 5B and optional at remaining stud locations. Only products which bear UL’s Mark are considered Certified. Lead batten strips required behind vertical joints of lead backed gypsum wallboard and optional at remaining stud locations.

BXUV.U – Fire Resistance Ratings – ANSI/UL

Joint Tape and Compound — Vinyl or casein, dry u4419 premixed joint compound applied in two coats to joints and screw heads of outer layers. Vertical joints centered on studs, and staggered one stud space from wallboard joints. Type S-8 pan head steel screw at the top of the strip.

Lead tabs to have a purity of Attached to studs with flat-head self-drilling tapping screws with a min. Always look for the Mark on the product. OC at perimeter and 12 in. Siding, Brick or Stucco — Optional, Not Shown — Aluminum, vinyl or steel siding, brick veneer or stucco, meeting the requirements of local code agencies, installed over gypsum panels.

Horizontal Application – The gypsum board is to be installed on each side of the studs with 1 in. UL permits the reproduction of the material contained in the Online Certification Directory subject to the following conditions: Horizontal edge joints and horizontal butt joints in adjacent layers multilayer systems staggered a min of 12 in.

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The Guide Information includes specifics concerning alternate materials and alternate methods of construction. The thickness and number of layers for the 1 hr, 2 hr, 3 hr and 4 hr ratings are as follows: Strips placed on the interior face of studs and attached from the exterior face of the stud with two 1 in. OC, fabricated from min 25 MSG 0. Furring Channels — Optional, Not Shown, for single or double layer systems — Resilient furring channels fabricated from min 25 MSG corrosion-protected steel, spaced vertically a max of 24 in.

OC when panels are applied horizontally, or 8 in. OC starting 6 in. OC when panels are applied horizontally, or 8 in. In addition, the reprinted material must include a copyright notice in the following format: Ends of adjoining channels overlapped 6 in.

Vertical joints centered over 20 MSG steel studs and staggered min 1 stud cavity on opposite sides of studs. Gypsum board attached to resilient channels as described in Item 5.

Tabs friction-fit around front face of stud, the stud folded back flange, and the back face of the stud. Lead tabs to have a purity of Ends of adjoining channels overlapped 6 in. When used, gypsum panels attached over OSB or plywood panels and fastener lengths for gypsum panels increased by min.