Sure Cavity

MTI Sure Cavity™ 0.024" (0.6 mm) thick high impact polystyrene corrugated strip with spunbonded polypropylene fabric (Flux, water flow rate, 200 gal/SF/min; ASTM D 4491- 99a) on one side with a 4" (102 mm) skirt on one edge.

Cavity Weep

MTI Cavity Weep™ (#CV 5010); 2.25" (57 mm) wide weep legs at 9.5" (241 mm) on center; continuous belt 1" (25.4 mm) wide; and total width of 6" (152mm).

Twenty Year Warranty

MTI's products are all covered by a 20 year limited warranty. Click here for details.

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Narrow Cavity Brick Walls

1Sure Cavity™ maintains a separation between veneers and structural back-up walls while creating a drainage plane system that allows moisture to travel down to weeps and out of walls. Order Now!

2Cavity Weep™ puts the weep holes at the lowest point of the wall — where the water is. Order Now!

Sure Cavity™
It works because it separates masonry veneers from structural backup walls while creating a drainage plane system that allows moisture to travel down to weeps and out of walls.

Cavity Weep™ CV 5010
It works because it forms the bottom side of the bed joint of mortar and creates many “tunnel” weep holes at the lowest point of the cavity.