It is recommended to fix each panel with 5 washers. Purchasing these special rubber-seal washers will enable the installer to fix the whole wall with SureCav to the timber-frame ahead of constructing the outer leaf.
Additionally, if extra wall ties are required to support random stonework then an additional tie can be fixed using the washer.
Bag of 50 SureCav Washers for use with the Cavity Spacer Backer Board systems.
