Our concealed joist hanger is a heavy-duty hanger designed for applications requiring additional strength. The joist hanger can be installed a variety of header members including timber, steel, masonry & I-Joists. Our joist hanger can be nailed using square twist nails, and it also has bolt holes for fixing into masonry. Quick & simple installation Galvanised mild steel Fixing holes for twist nails & bolt fixings Internal fixing flanges for concealed finish. Application: Elements of suspension members bent inside enable fixing a beam in case of limited space, particularly on narrow poles.Furthermore, partial covering of suspension member between elements being connected presents better visual effect. Supported by a few dozens of sizes, corresponding to beam sections available in the market. Additional large opening diameters make them applicable for fixing beams to a concrete wall. Galvanised steel Dx51d + Z275 - Cold-rolled metal sheet with bilaterally applied galvanized coating with weight no less than 275 g/m2 and thickness of about 20? Most often it is additionally covered with a thin layer of oil film that protects zinc against oxidation.
Product edges remain not coated after punching process, but it has no negative influence on their anti-corrosion protection. CE Certificate European Technical Approval: ETA-07/0277.