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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OC starting 6 in.

Assembly – UL U419 or ULC W453

Channels secured to studs as described in Item 7Eb. OC, fabricated from min 25 MSG 0. Horizontal edge joints and horizontal butt joints in adjacent layers multilayer systems staggered a min of 12 in.

Items 2 through 2O No. The thickness and number of layers for the 2 hr, 3 hr and 4 hr ratings are as follows: UL permits the reproduction of the material contained in the Online Certification Directory subject to the following conditions: Furring Channels — U4419 of No. Two layers of gypsum board attached to furring channels as described in Item 5.

BXUV.U – Fire Resistance Ratings – ANSI/UL

OC, and perpendicular to studs. The fiber is applied with adhesive at a minimum density of 4. 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.

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Vertical joints centered over studs and staggered one stud cavity on opposite sides of studs.

Vertical joints centered over studs and staggered min 1 stud cavity on opposite sides of studs. Type S-8 pan head steel screws, one at the top of the strip and one at the bottom of the strip or with one min.

Secured as described in Item 6.

UL U419 or MEA 81-98-M

Min nom thickness as indicated under Item 5. Lead batten strips required behind vertical joints of lead backed gypsum wallboard Item 5B and optional at remaining stud locations. Vertical joints centered on studs, and staggered one stud space from wallboard joints. Strips placed on the interior face of studs and attached from the exterior face of the stud with two 1 in.

Horizontal Application – The gypsum board is to be installed on each side of the studs with 1 in.

OC in the field when panels are applied vertically. Attached to studs with flat-head self-drilling tapping screws with a min.

Lead discs to have a purity of For Joint Compound see Item 5. 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. Lead batten strips, min 2 in. The published information cannot always address every construction nuance encountered in the field.

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Vertical joints in adjacent layers multilayer systems staggered one stud cavity.

Horizontal edge joints and horizontal butt joints in adjacent layers multilayer systems need not be staggered. Not for use with Item 5A and 5E. For direct attachment of gypsum board only. Lead tabs to have a purity of Fire resistance assemblies and products are developed by the design submitter and have il investigated by UL for compliance with applicable requirements.

USG Design Studio | UL U – Fire Resistant Assembly, Fire Rated Assembly, Fire Rated Detail

OC starting 4 in. Gypsum board attached to furring channels as described in Item 6. Channels secured to studs as described in Item b. Tabs friction-fit around front face of stud, the stud folded back flange, and the back face of the stud. The thickness and number of layers for the up hr, 2 hr, 3 hr and 4 hr ratings are as follows: