Hacker Industries

FIRM-FILL® 3310+ | Floor Underlayment

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

Multi-Family
Multi-Family Application / Market
Recommended 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

Specificatie

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
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

Technische specificatie

Unieke ref.firm-fill-3310-plus-floor-underlayment
ProductfamilieGypsum Cement Underlayment
ProductgroepGypsum Concrete Floor Underlayment
TypeObject (enkelvoudig object)
Publicatiedatum2026-06-09
Editienummer1

Links

Product-urlhttps://hackerindustries.com/firm-fill-3310-plus.shtml
Installatie-instructieshttps://hackerindustries.com/pdfs/Firm-Fill-Post-Pour-Instructions.pdf
Technische beschrijvinghttps://hackerindustries.com/3-part-specs/FF_3310+_Specs.pdf

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Classificatie

Categorie BIMobjectVloeren - Onderlaag
CSI MasterFormat 2014 Code03 54 13
CSI MasterFormat 2014 TitelGypsum Cement Underlayment
OmniClass-nummer23-15 17 11 13
OmniClass-titelFloor Underlayments

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