Products

Vent Chutes

Johns Manville Vent Chutes are extruded polystyrene (XPS) sheets thermoformed to provide airflow from the soffit to the attic space when installed between insulation and the roof deck. Johns Manville Vent Chutes can be installed in finished or unfinished attics with open rafters in both new.

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Johns Manville Vent Chutes are extruded polystyrene (XPS) sheets thermoformed to provide airflow from the soffit to the attic space when installed between insulation and the roof deck.
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Data Sheet

Johns Manville Vent Chutes are extruded polystyrene (XPS) sheets thermoformed to provide airflow from the soffit to the attic space when installed between insulation and the roof deck. Johns Manville Vent Chutes can be installed in finished or unfinished attics with open rafters in both new and retrofit construction to fit both 16" and 24" on-center cavities.

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Advantages:

  • Adjustable: can easily be modified to fit both 16" and 24" on center cavities.
  • Venting: help optimize performance of attic insulation by minimizing wind washing, prevent blown insulation from blocking the air-flow, keep the space between soffit vents and attic space open during construction and maintain air channels over time.

JM Vent Chutes are packaged in bags of 50 vents.

Width Pieces Per Bag Bags Per Unit Net Free Airlow
48"x 22.5" 50 32 22.8 sq. in.

Data Sheet

Vent Chute Data Sheet

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