MAPEI Mapesonic 2 3.25-ft W x 49.2-ft L x 76-mil T Premium Felt Flooring Underlayment For Hardwood (160-sq ft/Roll) Item #3592324 Model #DWA4251 Pass through head for driving

Pass through head for driving hex nuts on extended threaded rod

8-inch (20-cm) media

(1) Router Bit

Recommended for use with pressure treated and cedar lumber

EASY SETUP: Self-inflates in seconds and deflates for easy storage

MAPEI Mapesonic 2 3.25-ft W x 49.2-ft L x 76-mil T Premium Felt Flooring Underlayment For Hardwood (160-sq ft/Roll) Item #3592324 Model #DWA4251 Pass through head for drivingMapesonic 2 reduces transmission of impact sound (such as footsteps and dropped objects) and airborne sound (such as voice and TV) through floors when installed under ceramic tile, stone, vinyl and wood floorings. It also helps to prevent existing or future in plane floor cracks (with movement up to 3 8" or 10 mm wide) from transmitting through grout, ceramic tile and natural stone assemblies. Boxed roll: 39 in x 49. 2 ft Sound reduction performance