Install bowtie windows8/28/2023 ![]() Mark the position of the joist centre on the external wall and then drill a clearance hole (normally 16mm) through the wall. Inject PolyPlus resin to fill the hole and bond the BowTie to the masonry and then make good BowTie HDġ. Fit the plastic sleeve over the BowTie and use the support tool to push it to the back of the hole in the masonry (in the outer leaf in a cavity wall)Ĥ. Fit the BowTie Support Tool to an SDS rotary hammer drill, insert the BowTie and drive it into joist end to the required depth – at least 75mm (or through the second joist if parallel)ģ. Mark the position of the joist centre on the external wall and then drill a clearance hole (normally 12mm) through the wall (and first joist if parallel to the wall). PolyPlus resin cartridge with extension nozzles and applicatorġ.The Helifix BowTie HD is a heavy duty 12mm diameter threaded bar with self-cutting end used to restrain bowing building walls by securing them to internal parallel floor joists or roof beams. The Helifix BowTie is a long stainless steel tie used to stabilise bulging walls, without any external plates, by securing them into the ends of internal floor joists. ![]() Helifix BowTie For restraining bowed walls
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |