(Therma-Close) TYPE-R is specially designed to create a more rigid waterproof cavity closer system.

TYPE-R comprise two rigid extensions, one of which has a unique, flexible, water seal. Once the window is in place the flexible seal sits against the window frame and acts as a secondary water seal.

These two rigid extensions allow TYPE-R to be made to any cavity width. TYPE-R and Type-R Fire-Stop are now available for both standard and check reveals to suit Robust Details.

The only rigid Cavity Closer available which creates a secondary water seal by use of a flexible strip. OR available for check reveal detail.