Architectural · A-NZMH8

Audio-Visual Box Backing and Wall Penetration Detail

Materials

Elements

Walls Partitions Floors / Slabs Insulation Roof / Floor Openings

About this detail

An audio-visual box mounting arrangement features wood backing installed between studs for medium and large conference rooms, set at specified heights above the finish floor. A fire-rated wall penetration assembly accommodates metallic pipes or conduits up to 4 inches in diameter. The opening is tightly packed with a minimum 4 PCF mineral wool batt insulation flush on both sides. A minimum 1/8 inch fire sealant completely covers the mineral wool and overlaps the wall surface and penetrating elements by 1/2 inch, conforming to UL fire listing W-L-1402 for one- or two-hour rated partitions. A second layer of 5/8 inch Type X gypsum board is applied where required by the wall schedule.

Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.

Start membership

Similar details