Product Description
The product described in this Listing is an in-wall speaker assembly comprised of an insulated metal speaker backcan (Sonance Part No. 91907) and either a rectangular in-wall speaker or a metal cover plate.
Tested Per:
ASTM E-814-06, Fire Tests of Through-Penetration Fire Stops
Reference Listed Design
Design No. |
F Rating |
T Rating |
DII/PV 60-02 |
1 hour |
1 hour |
Wall Assembly Description: The 1-hour fire-resistant rated wall construction consists of nominal 2 x 4 SPF wood framing members spaced 16 inches on-center maximum, and fastened to a nominal 2 x 4 SPF wood sill plate and double-studded header with (2@) 16d common nails per framing member. The speaker backcan (containing a 1 inch thick, 6 pcf, ceramic fiber blankert on 5 sides of the backcan interior) is installed in a stud cavity and attached to the wood framing member with (4) #8 x 1-1/4" long screws (one screw in each corner as shown in the installation instructions). The framed wall is faced on both sides with 5/8-inch thick Type X gypsum board (complying with ASTM C1396) fastened to the framing members with #6, 1-5/8" long, Type W, gypsum board screws spaced 8 inches on-center around the perimeter and 12 inches on-center at intermediate framing members. Gypsum board joints were bedded and taped with gypsum tape and joint compound complying with ASTM C475. The fastener heads were also covered with the same joint compound. A Sonance Symphony 6-1/2" rectangular footprint in-wall speaker or a metal face plate is installed in accordance with the published installation instructions.
Conditions of Use: The Sonance 6-1/2" insulated rectangular metal speaker backcan (Part No. 91907) with either a Sonance Symphony 6-1/2" rectangular speaker (or equivalent speaker) or a metal face plate over the backcan opening, is suitable for use as a membrane penetration in 1-hour fire-resistant rated wall construction consisting of nominal 2 x 4 wood or equivalent wood or metal framing members spaced a maximum of 16 inches on-center maximum, and faced with single layers of minimum 5/8-inch thick Type X gypsum board (complying with ASTM C1396 or equivalent). Fastening of the Type X gypsum board to the framing members shall be in accordance with the specifications for the 1-hour fire-resistant rated wall construction. Finishing of the Type X gypsum board shall be in accordance with the specifications of the 1-hour fire-resistant rated wall construction.