What is shaft liner in construction?

GlasRoc® Shaftliner is a paperless mold and moisture resistant gypsum board combining reinforcing glass mats and a specially formulated fire and moisture resistive, non combustible core. GlasRoc® Shaftliner offers: • Long term protection (12 months) to weather exposure.

What is a shaft liner wall?

shaftliner is a 25mm fire resistant plasterboard made with a gypsum core with recycled blue liner paper. shaftliner has been designed for elevator systems and other shafts and ducts in multi-level constructions. shaftliner is also used in the interhome System to provide fire and acoustic separation.

How much does shaft liner weight?

Product Data: Thickness: 1″ (25.4 mm) Width: 2′ (610 mm) Standard Lengths: 8′ (2440 mm), 10′ (3050 mm) and 12′ (3660 mm) Edges: Double beveled Packaging: Per piece Weight: 4.0 psf (19.5 kg/m2) For detailed Technical Data, please see the Product Data and Submittal Sheet.

What is the fire rating of shaft liner?

2-Hour
2-Hour Fire Rating *Joint compound applied uniformly to both surfaces of 1”x 24” (25.4 mm x 610 mm) DensGlass® Shaftliner or ToughRock® Shaftliner gypsum panels with a notched spreader 1/4” x 1/4” (6.35 mm x 6.35 mm) spaced 1” (25.4 mm) o.c.

Is shaft liner fire rated?

eXP® Shaftliner is a moisture and mold-resistant shaftliner panel with a fire-resistant (Type X) core. Use eXP Shaftliner Panels to construct lightweight fire barriers for cavity shaftwalls (1-4 hr.), stairwells and area separation fire walls in multi-family housing.

What is the purpose of a shaft wall?

Shaft wall systems were initially developed for high-rise buildings, that needed to have enclosures around vertical chases, stairwells, and elevator shafts: as a lighter alternative to concrete masonry construction.

How thick are elevator shaft walls?

Shaftwall is available in 18 and 33 mil thicknesses (25-20ga.).

What is 2 hour fire rated wall?

Double the number of Type X sheets on the wall for a simple system installed over fire-resistant fiberglass insulation; each sheet of 5/8-inch Type X drywall is rated to resist fire for one hour, so two layers will produce a two-hour firewall.

Does drywall need to be taped for fire rated?

Things You’ll Need Once you have measured, cut and hung your fire-resistant drywall, it must be taped and at least one coat of joint compound applied for the proper installation and fire rating.