Control Cavity™

Basement Drainage Mat

CC 4800, CC 4810
Product made with a minimum 94% post industrial recycled plastic Made with a minimum 94% Post-Industrial Recycled Plastic

Control Cavity™ Installation

  • Install with channel pattern running up and down vertically and fabric to interior
  • Overlap all edges and ends a minimum of 1”
  • Overlap horizontal edges shingle fashion to outside concrete, masonry substrate – upper sheet laps behind (back-laps) lower sheet
  • Cover entire wall surface, top to bottom, in this fashion
  • Mechanically fasten with concrete nails or power fastener; fastening pattern 2’ on center

Special Instructions

  • Note 1:  Masonry Technology Inc. recommends that all sump baskets, drain tile, and drain field systems be vented. If sump baskets, drain tile, and drain field systems are not vented, MTI recommends that top edge of Floor Edging™ be caulked or sealed off with appropriate material.
  • Note 2:  Control Cavity™ shall not be used as a finished wall surface. Control Cavity™ should be covered with appropriate furring, insulation and finished interior wall materials.
  • Note 3:  When an in-floor heating system is installed, a vented interior drain field and drain system must be installed to release under slab pressure.
  • Caution:  COMBUSTIBLE: Protect from open flame and/or other items producing high heat. Use MTI materials in strict conformance with local building codes and regulations. Consult with local code or building official prior to installation. It is the buyer’s responsibility to ensure that MTI materials are used in strict conformance with local building codes and regulations.

Ordering & Shipping

Contact MTI at 1-800-879-3348 for specific cost to your destination.

Control Cavity™ Specifications 

The 0.024″ (0.6 mm) thick by 31.5 (1219 mm) wide high-impact polystyrene sheets formed with corrugations, with channels running vertically when installed on a wall.

Product Number
CC 4800
CC 4810
Roll Length (feet)
Roll Width (inches)
Square Feet per Roll
Rolls per Pallet
Square Feet per Pallet
Pallet Size

Documents, Specs, Details & More

Vent Mat™

 VM 9025 

Sump Basket

 SF 30PR