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- _ ace Ratings - ANSI/UL 263 Page 2 of 5
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<br /> 1. Wood Studs — Nom 2 by 4 in., spaced 24 in. OC effectively firestopped.
<br /> 2. Gypsum Board* — 5/8 in. thick, 4 ft wide, applied either horizontally or vertically, nailed to studs and bearing plates
<br /> uk'ith 6d cement ccated nails 1 -7/8 in. long, 0.0915 in. shank diam and 1/4 in. diam heads spaced 7 in. OC. Finish Rating 27
<br /> Mir. When used in widths other than 48 in., gypsum board to be installed horizontally.
<br /> When Stec! Framidig Members* (Item 5) are used, wallboard attached to furring channels with 1 in. long Type S bugle -head
<br /> steel screws spaced 12 in. OC.
<br /> V,'nen Item €, resilient channels are used, 5/8 in. thick, 4 ft wide applied vertically. Screw attached furring channels with 1
<br /> in. long, self d-!llinc, self- tapping Type S or S -12 steel screws spaced 8 in. OC, vertical joints located midway between
<br /> studs.
<br /> AMERICAN GYPSUM CO — Types AGX - AG -
<br /> BEIJING NE=JV BUILDING MATERIALS PUBLIC
<br /> LTD CO — Type DEX - 1
<br /> CERTAINTEED GYPSUM INC — Types EGRG, GlasRoc, or ProRoc Type C
<br /> CERTAINTEED GYPSUM CANADA INC — ProRoc Type C
<br /> GEORGIA - PACIFIC GYPSUM L LC — Types 5, 6, 9, C, DAP, DD, DA, DAPC , DGG, DS, GPFS6
<br /> LAFARGE NORTH AMERICA INC — Types LGFC6, LGFC - C, LGFC6A, LGFC2, LGFC2A, LGFC - C /A, LGCF - WD.
<br /> NATIONAL GYPSUM CO — Types FSK - C, FSW, FSW - 3, FSW - 5, FSW - C, FSW - G, FSMR - C, FSW - 6 (finish rating 20 min)
<br /> PABCO BUILDING PRODUCTS L L C, DBA
<br /> PABCO GYPSUM — Type C, PG - 9, PG - 11 or PG -C
<br /> PANEL REY S A — Type PRX
<br /> SIAM GYPSUM INDUSTRY (SARABURI) CO LTD — Type EX -
<br /> TEMPLE - INLAND — Type X, Veneer Plaster Base - Type X, Water Rated - Type X, Sheathing - Type X, Soffit - Type X, TG-
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