Garage Door Header Detail

Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.

Garage door header detail.

Portal frame details within the irc specify simple span headers with a maximum finished opening width of 18. For deeper depth parallam. Frame the rough opening to a height that is 1 5 taller than the door that you have selected. You get the picture.

In an attempt to construct portal frames some garages are built with one continuous garage header extending over two or three garage door openings as shown in figure a. Amarr offers 300 styles of garage doors. Header details 24 25 nailing on narrow face 25 allowable holes 26 bearing length requirements 26 tapered end cuts 27 multiple member connections 28 29 columns 30 31 product warranty 32 some sizes may not be available in your region. The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.

To finish the opening cut the header and jambs from 2 lumber. Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to. If it s 9ft the opening must be 9ft 3 inches and so on. Free how to buy a garage door guide nationwide dealer network.

For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.