Easy Trim Cavity Sleeve 50-100mm

The Cavity Sleeve Is Designed To Be Used In Conjunction With Easy-trim Brick Vent To Ventilate Building Interiors Through Exterior Walls. The Design Allows The Units To Be Used Together To Form Stacks Of Either 9’ X 6’ Or 9’ X 9’ And Are Suitable For Cavity Widths From 50mm To 100mm. Further Units Can Be Used To Bridge Wider Cavities. Can Be Used Together To Form Stacks Of Either 9 X 6 Or 9 X 9 Inch Suitable For Cavity Widths From 50mm To 100mm