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).
|Published (Last):||9 April 2016|
|PDF File Size:||18.81 Mb|
|ePub File Size:||14.78 Mb|
|Price:||Free* [*Free Regsitration Required]|
Steel Studs — Channel shaped, fabricated from min 25 MSG corrosion-protected steel, min depth as indicated under Item 5, spaced a max of 24 in.
U – BXUV.U – UL Product Spec
When field issues arise, it is recommended the u41 contact for assistance be the technical service staff provided by the product manufacturer noted for the design. Vertical Application – The gypsum board is to be installed on each side of the studs with 1 in.
Screws offset min 6 in. Always look for the Mark on the product. OC, and perpendicular to studs. Clips spaced 48 in. Strips placed on the face of studs and attached to the stud with two min. OC when panels are applied horizontally, or 8 in. Furring channels are friction fitted u41 clips.
The number of layers for the 1 hr, 2 hr, 3 hr and 4 hr ratings are as follows: Lead discs to have a purity of Screws offset min 6 in. Users of fire resistance assemblies are advised to consult the general Guide Information for each product category and each group of assemblies.
Vertical joints in adjacent layers multilayer systems staggered one stud cavity. Not for use with Item 5A.
Resilient Channels — Formed of No. Horizontal edge joints and horizontal butt joints in adjacent layers multilayer systems need il be staggered. For Joint Compound see Item 5. Paper tape and joint compound may be omitted when gypsum panels are supplied with a square edge.
Resilient channels are secured to clips with one No.
Two layers of gypsum board attached to furring channels as described in Item 5. Authorities Having Jurisdiction should be consulted before construction. Type S-8 pan head steel screws, one at the top of the strip and one at the h419 of the strip or with one min.
Fasteners shall not penetrate through both the stud and the track at the same time. Batts and Blankets placed in stud cavity as described in Item 5. Lead tabs may be held in place with standard adhesive tape if necessary. Gypsum board attached to furring channels as described in Item 6.
UL U419 or MEA 81-98-M
The Guide Information includes specifics concerning alternate materials and alternate methods of construction. OC, fabricated from min 25 MSG 0. Lead batten strips required behind vertical joints of lead backed gypsum wallboard Item 5E and optional at remaining stud locations. The thickness and number of layers for the 1 hr, 2 hr, 3 hr and 4 hr ratings are as follows: Ends of adjoining channels overlapped 6 in. Vertical joints centered over studs and staggered one stud cavity on opposite sides of studs.
Placed in stud cavities, any 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. Steel stud minimum depth shall be as indicated in Item 5. Channels secured to studs as described in Item b. OC, and perpendicular to studs. Lead tabs may be held in place with standard adhesive tape if necessary.
USG Design Studio | UL U – Fire Resistant Assembly, Fire Rated Assembly, Fire Rated Detail
Tabs required at each location where a screw that secures the gypsum boards, Item 5E will penetrate the steel stud. Strips placed on the interior face of studs and attached from the exterior face of the stud with two 1 in.
Horizontal edge joints and horizontal butt joints on opposite sides of studs need not be staggered. Gypsum board attached to resilient channels as described in Item 5.
Assembly – UL U455 or UL U419 or ULC W453
The statement “Reprinted from the Online Certifications Directory with permission from UL” must appear adjacent to u491 extracted material. Joint Tape and Compound — Vinyl or casein, dry or premixed joint compound applied in two coats to joints and screw heads of outer layers. Steel Studs — Channel shaped, fabricated from min 25 MSG corrosion-protected steel, min depth as indicated under Item 5, spaced a max of 24 in.
Furring channels are friction fitted into clips. Studs friction-fit into floor and ceiling runners. Lead discs to have a purity of Tabs friction-fit around front face of stud, the stud folded back flange, and the back face of the stud.
Vertical joints are to be centered over studs and staggered one stud cavity on opposite sides of studs. Resilient channels are secured to clips with one No.
OC starting 4 in. For direct attachment of gypsum board only.