CavClear CCRS-HD-020 Rainscreen Mat Heavy Duty

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CavClear CCRS-HD-020 Rainscreen Mat Heavy Duty

CavClear Rainscreen Mat Heavy Duty has been specifically engineered for high-performing, resilient designs that are effective in both moisture and air management by creating a capillary break between the exterior cladding and the drainage plane.

CavClear Rainscreen Mat Heavy Duty is a diamond shaped, extruded plastic netting made from high density polyethylene (HDPE). Two layers of parallel strands are overlaid at angles to create the diamond-shaped netting that provides for both horizontal and vertical air movement. Each strand is square to provide superior compressive strength to maintain the perfect shape and performance behind siding and cladding materials.


  • Diamond-shaped mesh design with two crisscrossed layers provides both vertical drainage and horizontal ventilation to accelerate drying.
  • Creates an effective 0.2" continuous capillary break to minimize the capillary water movement into the wall system.
  • Non-compressible yet flexible even in cold weather.
  • Mold and mildew resistant.
  • Easy to install, store and ship.
  • Eliminates the need for more laborintensive furring strip methods, however it can be used behind traditional furring strips to allow for cross ventilation of the chambers and add depth to the capillary break.
  • Easier to install and more effective than furring strip methods.
  • Compatible with other building components and all cladding and siding products.

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