Stc Roof Assembly

Toughrock fireguard c products densarmor plus fireguard c products.

Stc roof assembly.

50 stc with single layer designs have achieved up to 4 hr. Insulation will noticeably improve the stc rating of an assembly. 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. 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.

Metal stud walls perform better than wood stud walls. Fire resistance ratings with 3 4 ultracode core panels in steel framed partition assemblies for more information see the following brochures. Helpful documents and resources for usg s roof assemblies can be found on this page. 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.

Ul v487 ulc w482 cul v487. 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. Adding additional layers of drywall 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.

Staggered or double stud walls are higher rated than single stud walls.