What is a head?
The head is the horizontal part of the frame above the door. The head on a bifold or sliding door houses the top running gear. As with the jambs it needs to be fixed well as a lot of weight is transferred through the head while the door is being open and closed.
The FREE 7 Secrets Other Bifold Door Suppliers Won't Tell You
When searching for a bi-fold door, suppliers won't always give you all the information you need - that's why we've provided you with this FREE eBook. Don't miss out, click here to download it now.
