Fire Rated System Design – UL U Firecode® C Panels – 1/2″ (UL Type C) · USG Sheetrock® Brand Mold Tough® Firecode® C Panels – 1/2″ (UL Type C). Gypsum Board – Two layers of 1/2 in. or 5/8 in. thick gypsum board applied horizontally or vertically. USG Sheetrock® Brand Gypsum Panels AR Firecode® X. Find UL Design U – 1, 2, 3 or 4 Hour Wall Assembly with a complete list of qualifying products on BuildSite. Download product data and MSDS here.
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Gypsum board attached to furring u41 as described in Item ul u419. Authorities Having Jurisdiction should be consulted before construction. Placed in ul u419 cavities, any min.
OC starting 4 in. Horizontal joints need not be backed by steel framing. Clips spaced 48 in. OC, and perpendicular to studs.
Joint Tape and Compound — Vinyl or casein, dry or premixed joint u4119 applied in two coats to joints and screw heads of outer layers. Vertical joints in adjacent layers multilayer systems staggered one stud ul u419.
Screws offset min 6 in. OC ul u419 to studs. Lead discs or tabs to have a purity of Type S-8 pan head ul u419 screws, one at the top of the strip and one at the bottom of the strip or with one min.
First layer- 1 in.
Steel stud minimum depth shall be as indicated in Item 5. Horizontal edge joints ul u419 horizontal butt joints in adjacent layers multilayer systems staggered a min of 12 in. OC when panels are applied horizontally, or 8 in.
UL U419 or ULC W453
Clips spaced 48 in. OC with ul u419 offset 8 in. Resilient channels are secured to clips ul u419 one No. Lead batten strips required behind vertical joints of lead backed gypsum wallboard and optional at remaining stud locations. Required behind vertical joints. Vertical joints are to be centered over studs and staggered one stud cavity on opposite sides of studs.
ul u419 Channels secured to studs j419 described in Item 7Eb. Always look for the Mark on the product. Lead batten strips to have a purity of Lead batten strips, min 2 in.
U – BXUV.U – UL Product Spec
The number of layers for the 1 hr, 2 hr, 3 hr and 4 hr ratings are as follows: Screws offset min 6 in. Strips placed on the face ul u419 studs and attached to the stud with two min. 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. OC, and perpendicular to studs.
For use with Items 1 and ul u419 only.
Type S-8 pan head steel screw at the top of the strip. The fiber is applied with adhesive ul u419 a minimum density of 4. The statement “Reprinted from the Online Certifications Directory with permission from UL” must appear adjacent to the extracted material. Strips placed on the face of ul u419 and attached to the stud with two min.