88 Chapter 4
Figure 4-39. Noise-Lock™ window by IAC is rated at STC 53. Courtesy IAC.Figure 4-40. Head and sill requirements for IAC Noise-Lock™ windows. Courtesy IAC.Adjustable anchor
straps (2 per jamb)
Hole for
15 rebar
(by others)(^1) / 8 " typ.
Frame depth
(^1) / 8 " typ.
(^3) / 4 " typ.
Lifting
holes
11 / 4 " (typ.)
1" typ.
Removable stops
Interior
glazing
Removable stops
Exterior
glazing
Button
1" typ. cap
11 / 4 " typ.
Sealant
(by others)
Shims
(if req'd)
Section A
Alternate 1 installation
(existing opening)
Acoustic fill
(typ. all around)
Section B
Frame depth
(3.175 mm) 1/8" typ.
(3.175 mm) 1/8"
Wood or fabric trim
(by others, as required)
(10 mm) 3/4" typ.
Window installation—head/sill requirements
Studs 12" O.C.
min. 14 ga.
Frame opening with wood nailer
to allow for proper fastening
(Ref. fastener location above)
Caulk typ. all around
(both sides)
1 1/4" typ. (31.75 mm)
1" typ. (25.4 mm)
Wall thickness