How To Build A Strong Header For Garage Door

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.

How to build a strong header for garage door.

Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. In all but the most bizarre situations they ll easily carry the weight for 4 ft. From the final grade vinyl siding can be touching the ground and fiber cement can be within 2 in. Portal frame details within the irc specify simple span headers with a maximum finished opening width of 18.

Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. Wide window and door openings and in most situations be code compliant for openings up to 6 ft. Calculating header size is no picnic as you learn how to. You will need to add 1 2 of plywood between the 2x4 s to get the right wall thickness of 3 1 2.

Four to 6 in. In the case of 2x4 framing where the wall is about 3 5 thick the pair of headers will be around 3 3 25 thick and a spacer can be omitted if you are lazy. The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. When in doubt build a double 2 12 header sandwich like we explain next.

Wood garage door framing sheathing and wood siding need to be 6 in. The header is often made from a pair of 2x6 s cut to width and nailed together with a spacer in between to make the total header thickness the same as the wall. Attach lumber to the face of the garage wall to the edge of the garage door header. Of base material laid down and compacted.

This piece of. This is the actual thickness of a 2x4. Building a structural header for a garage door opening can be handled on the jobsite and will offer the same structural support as more expensive solid wood beams. Concrete with a 4 000 psi mixture.

Cut the door header. 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.