The CE marked, type 6 retrofit wall ties is used for wall tie replacement in timber framed buildings of 4 stories height. The timber wall ties are stainless steel, helical wall ties with a minimal diameter of 5mm and a cross sectional area of just
Timber framed buildings are often constructed with insufficient or poorly installed wall ties that corrode over time or that simply pull out of the timber during movement. Helical timber frame ties corkscrew into the timber and are flexible to accommodate differential movement between the timber frame and the brick façade.
Thor Helical retrofit helical wall ties offer a simple and effective solution where insufficient or incorrectly installed wall ties have been used during construction.
The leading end of the tie self-taps 35-45mm into the uprights of the timber frame whilst the deep trough of the continuous helix provides an excellent key for resin fixing the other end into the masonry.