🔇 CLT Acoustic Floor Assembly (Pourable Gypsum + Acoustic Mat), STC 55 / IIC 52

Mass Timber Acoustic Floor Assembly Calculator

Model building acoustics and impact sound isolation across mass timber CLT floor assemblies under ASTM E90 & ASTM E492: calculate Sound Transmission Class (STC 55+ airborne isolation) and Impact Insulation Class (IIC 52+ footstep impact isolation) using 1" poured gypsum underlayment over 10mm recycled rubber acoustic mats, and flooring profits.

1. Project & Operating Inputs

CLT Acoustic Floor Area (Square Feet e.g. 55,000 Sq Ft)

Acoustic Mat Thickness (Millimeters e.g. 10mm Resilient Rubber Mat)

Customer Bid Price for Acoustic Mat & Gypsum Topping ($ / Sq Ft)

10mm Acoustic Mat, Perimeter Isolation Tape, 1" Maxxon Gypsum ($ / Sq Ft)

2. Financial Breakdown & Yield

CLT FLOOR ACOUSTICS STC & IIC

Turnkey Acoustic Flooring Profit

Acoustic Underlayment Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost