Duct Work Clamp
4″ metal screw type clamp joins vinyl hose to pipe, vent hoods, etc. Use with 4″ vinyl hose only.
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Designed specifically for Cathedral Ceiling designs, works equally well in traditional applications. Baffle allows airflow and prevents insulation from blocking airflow. These are Extension Pieces, which work with Accuvent baffles for each rafter opening. These “extensions” extend the ventilation path up to the ridge vent. A favorite choice of “spray foam” insulation applicators. 100% recycled flame retardant plastic meets the new EnergyStar Thermal Bypass Checklist requirement.
- Works with all insulation types (including expanding spray foam insulation)
- Easy to install with 6-8 staples and you’re done
- Prevents insulation from getting into soffit
- Made from 100% recycled PVC (flame retardant)
- Compact Storage (1 bundle of 50 vents/1 pallet = 1250 vents (40" W x 48" L x 30" H)
- Prevents “insulation drifting” during construction; all but eliminates costly callbacks
- Most durable vent on the market ASTM D1790
- Meets new EnergyStar requirements
- Keeps insulation out of contact with roof sheeting and preserves shingle warranty
- Excellent for retrofit, re-insulation, and new construction