
An innovative new product that elevates gypsum concretes to an
unprecedented level of rock-solid performance. FIRM-FILL® 3310
floor underlayment's fast-setting surface rapidly eliminates water
allowing for accelerated drying time and unparalleled levels of
strength and finish over wood and concrete subfloors in new construction
and renovation projects.
FIRM-FILL® 3310 Floor Underlayment Recommended Applications
Over subfloors in:
- Multi-Family
- Custom Homes
- Commercial Buildings
- Hotels & Motels
- Renovation Projects
FIRM-FILL® 3310 Floor Underlayment Features and Benefits
- Premium strength, smooth surface over wood and concrete subfloors
- Eliminates water rapidly for accelerated drying time
- FIRM-FILL® 3310 Floor Underlayment can be poured before
or after drywall
- Exceptional compressive strengths from 2000 to 3300 psi
- Delivers fire resistance and improved sound performance
- FIRM-FILL® 3310 Floor Underlayment creates a smooth, crack-free
surface
- Expert application; installed only by trained, Licensed Applicators
- Meets ASTM F2419, Standard Practice for the Installation of Thick Poured Gypsum Concrete Underlayments and the Preparation of the Surface to Receive Resilient Flooring
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