Eggers also continues to expand its acoustical door
offerings and is working on a vinyl clad wall panel with a flame spread rating, Duebner says.
of Pico Rivera, California, manufactures acoustical door
and window assemblies that provide Underwriters Laboratories, bullet-resistance protection from level 1 (medium-powered small arms) to level 3 (super-powered small arms).
A typical non-gasketed door will have a rating of approximately STC-20, while an acoustical door
will have at least STC-40.
Tenders are invited for Bid package #4 acoustical doors
and access controls.
Doors are frequently the culprit here, especially because schools are likely to favor lighter doors which are easier for children to use, instead of heavy acoustical doors
that block sound.
Most lumberyards can order interior solid-core doors, but for acoustical doors
, your best bet is a supplier that caters to commercial construction (check the Yellow Pages under "Doors").