Sr acoustical & acoustical fd, Hour door, Sound transmission loss ratings and door weight – Algoma Hardwoods STC 40 User Manual
Page 2
1001 Perry Street • Algoma, Wisconsin 54201
920.487.5221 • 1.800.678.8910 • FAX 920.487.3636
Door 44
8/10/08
MAXIMUM OPENING SIZE
Singles: 4'0" x 8'0" (1220 x 2440mm).
Pairs: 8'0" x 8'0" (2440 x 2440mm).
FACES
All domestic and imported wood species.
STILES (VERTICAL EDGES)
4
7
⁄
8
" (124 mm) hardwood stiles veneer banded
to match face species.
MAXIMUM WOOD BEADED LITE
Not allowed.
MAXIMUM METAL VISION PANEL
Not allowed.
HINGES*
Ball bearing steel, full mortise, half
Note: Per NFPA 80 some specialty
surface, or full surface. Minimum size 4
1
⁄
2
" x
hinges allowed. Contact Algoma for
.134" (114 x 3.4mm) .
information.
LOCKSETS*
Listed mortise locks, unit locks, and cylindrical
locks or hospital push-pull latches to 3
3
⁄
4
"
(95mm) backset.
CLOSERS*
Listed surface mounted closures.
FIRE EXIT HARDWARE*
Mortise or rim type devices
Door Bottoms:
Doors are supplied with concealed type
automatic drop seal.
Maximum trim:
Doors should be ordered factory prefit for
height since the bottom is grooved for drop
seal.
Prefit:
Standard undercut on STC 39, 43, and 45 will
receive a
7
/
16
" undercut to accommodate the
1
/
4
"
high threshhold. Undercut can be adjusted if
floor conditions warrant.
SR Acoustical & Acoustical FD
1
⁄
3
Hour Door
UNDERWRITERS LABORATORIES, INC.
FD 1/3 HOUR FIRE DOOR APPROVAL (STC 28 and STC 43)
ACOUSTICAL DOOR ACCESSORIES
Type of
Sound Transmission
Transmission loss at various frequencies (Hertz)
Door weight*
installation
Class (STC)
125
250
500
1000
2000
4000
lbs/sq ft
kg/M
2
Single door (with lite opening)
39
26
31
38
41
40
44
6.5
31.7
Single door
40
24
38
40
43
40
41
6.4
31.3
Single door 20 minute label
43
24
35
42
44
45
50
7.1
34.7
Single door with threshold
45
26
39
42
44
48
51
6.4
31.3
Two STC 40 as communicating doors
54
36
47
50
55
57
59
6.4
31.3
* Door size and weight should be considered when determining hardware requirements.
The maximum benefit of acoustical doors is obtained from openings with uniform door/frame edge clearance, correct positioning of gasketing, and proper adjustment of the automatic bottom seal.
Sound Transmission Loss Ratings and Door Weight*
896S THRESHOLD
(Supplied with STC 39, STC 43 and STC 45 Doors-ADA Approved)
225N Bottom Seal
ACOUSTICAL DOOR
GASKETING
5050B Self-Adhesive Gaskets
(Two Per Side)
Supplied With Door
Hinge Jamb
Strike Jamb
(Head Simialr)
5"
1/2"
1/4"
ACOUSTICAL LITE
STC 39 (No Fire Rating)
Glass Factory Installed
1"
1
3
⁄
4
"
1/4"
1/8"
7/8"
1-13/16"
ACOUSTICAL DOOR AUTOMATIC DOOR BOTTOM
(supplied with door)
Aluminum with neoprene insert
3
/
4
" (19mm) maximum drop
S99-1000 Self-Adhesive Gaskets
(Head Similar)
(NGP)
(NGP)