Stc Roof Assembly

50 stc with single layer designs have achieved up to 4 hr.

Stc roof assembly.

By itself this system provides a relatively low level of sound isolation stc 31 and does not fully prevent rain noise from being audible in the interior space. Trusses supporting metal roof deck panels covered by 1 2 12 7 mm regular gypsum sheathing either loose laid or adhesively or mechanically attached to roof deck. Moisture resistant assemblies aesthetic assemblies sa932 sa933 sheetrock gypsum panels submittal sheet wb1473 usg area separation walls. Insulation will noticeably improve the stc rating of an assembly.

Toughrock fireguard c products densarmor plus fireguard c products. Ul v487 ulc w482 cul v487. Resilient channel can improve the stc rating of an assembly. Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project.

Ultimately the design and detailing of the project assembly or system is the responsibility of a professional and all projects must comply with applicable building. Staggered or double stud walls are higher rated than single stud walls. The stc rating shown reflects testing or evaluation of an assembly with one or more products under test conditions and may not apply to all products listed for each assembly. Fire resistance ratings with 3 4 ultracode core panels in steel framed partition assemblies for more information see the following brochures.

Adding additional layers of drywall can improve the stc rating of an assembly.