HomeMy WebLinkAboutProject info, non bearing wall ratingsNil III III.
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NOnae°ring Will h'atinys I, 1, 3 or Iir (`7ao Itarrlra & 4)
1,
MSGipOr and Coiling Runnorn � � (Not shown) Channel shaped, fabricated from min 25
legs, Q��rasion--protected steel, min wldtli to accommodate stud size, with min 1 in. long
2, tQ ached to floor and coiling with fasteners 24 in. GC max.
min el Studs Channel shaped, Fabricated from min 25 MSG corrosion —protected steel,
n�ax width as indicated under Item 4, r-nin 1-114 in. flanges and 1/4 in. return, spaced a
n34 Bat f,24 In. OC. Stu*m Studs to be cut 3/8 to �S/4 in. lass than assembly neight.
wool butts,
friction and Blankets - (Required as indicated under Ite4
) Mineralfitted between studs and runners. Min norn thickness as indicated under Item 4. See
Batts and Blankets (RKNV or BZJZ) Categories for names of Classified companies.
3A, Batts and Blankets* ---- (Optional) placed in stud cavities, any glass fiber or
mineral wool insulation bearing the UL Classification Marking as to Surface Burning
Characteristics and/or Fire Resistance, See Batts and Blankets (BKNV or BZJZ) Categories
for names of Classified companies.
4• Gypsum Board* -- Gypsum panels with beveled, square or tapered edges, applied
vertically or horizontally. Vertical joints centered over studs and staggered one stud cavity
on opposite sides of studs. Vertical joints in adjacent layers (muitilayer systems) staggered
one stud cavity. Horizontal joints need not be backed by steel framing. Horizontal edge
joints and horizontal butt joints on opposite sides of studs need not be staggered.
Horizontal edge joints and horizontal butt joints in adjacent layers (multilayer systems)
staggered a min of 12 in. The thickness and number of layers for the 1 hr, 2 hr, 3 hr and
4 hr ratings are as follows:
Wallboard Protection on Each Side of Wall
Rating
Min Stud
Depth No. of Layers
& Thkns
of Panel
one ThknS
of Ins
(Item 3) 1 loyef, b/H In. thick Optlunal
1 3 �.1 /2
1 / 1 loyors, 112 in. thick 1---1 /2 in.
"! 1 �8 1 layer, I, in, thick Optional
1 1 "/t� 2 layers, 112 in. thick Optional
� 1oyers, '�/t1 iris thick Optional
1 /2 1 layer, 3/4 in. trick 3 In.
(cayl�rs, 1/2 In, thick Optional
1 �5/8 8 2 layers, Is in, thick Optional
3 1,5/8 layers, 5/8 In. thick Optional
3 1 ,/8 layers, 5/8 In. thick Optional
4
a 1 5/ 4 layers, 1/2 In, thick Optional
4. 1 / 2 layers, 3/4 In. thick 2 in.
GypSUM COMPANY 1/2 in. thick T
CIANA��,AA AR, CAN o lf''"AR, lP�-x1, _IP-X2, IPC-�AR`� 0
• _ X►_SHx, YVRkr CPC` AR. WRC t` 5/8 in.