FIRM-FILL® 3310+
FIRM-FILL® 3310+, a premium poured floor underlayment from Hacker Industries, Inc., delivers best in class performance with compressive strengths from 3000-3900 psi. Ideal over wood or concrete subfloors in multi-family, hospitality, and renovation projects, FIRM-FILL® 3310+ maximizes sound control and creates an enhanced surface for finished floor coverings.
Recommended For
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Multi-Family Application / MarketRecommended for Multi-family, custom homes, commercial buildings, hotels & motels, & renovation projects. |
Features & Benefits
- Easy application, fast setting; light traffic can return within hours
- Over 105 UL listings; ICC-ES Legacy Report
- Can be poured before or after drywall, as specified
- Specify with FIRM-FILL® SCM acoustical control mats for improved acoustical performance
- Meets ASTM F2419 and Tile Council of North America F180, F200
- Installed by trained Licensed Applicators
Product Resources
Technical Data |
Properties |
ASTM |
Weight | 7.6 lbs/ft2 at 3/4" (19 mm) | C472M |
Thickness | 3/4" (19mm) (minimum over wood) to 3 1/2" (89mm); 1/2" (13mm) (minimum over concrete) | |
Compressive Strength | 3000 - 3900psi | C472M |
Thermal Performance | K-value of 2.8 Btu/ft2·h·°F; R-value of 0.36 ft2·h·°F/Btu | C177 |
Fire Hazard Classification | Flamespread index 0; Fuel Contribution 0; Smoke Density 0 | E84, E136 |
Patty Size | 8 1/2" (approx. 216mm) plus or minus 1/2" (13mm) in diameter | |
Sand | 1/8" (3mm) or less washed plaster or masonry sand | E11 |
UL listings | Listed in over 100 1, 2, 3, and 4-hour floor/ceiling assemblies |