Clean water resisting, snap together coupling, no ugly rivets or metal pressings required.

Non-load bearing coupler: can’t be used to support the weight of roof above. If you have to support the roof use 42026 with 102mm frames and steel load bearing post. An engineers certificate would be required to confirm that the 51mm post is strong enough.

This coupler is designed to join 102mm windows or doors to each other at 135°.

The coupler will also allow 50mm windows to be clipped to 102mm doors.

The tubular coupler will accept 51mm load bearing steel columns as detailed left.