How To Frame A Garage Door Opening. Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected. Accept the door sections, the tracks, & the springs.
Nail the pieces together with a piece of ½in plywood of the same size placed between them to create a header the same thickness as the 2x4 wall framing. Cut the lumber for the header to this length. Innovative garage door openers, competitive prices.
Door widths vary, but an easy way to size the rough opening is to use the door width plus 5 in.
Door widths vary, but an easy way to size the rough opening is to use the door width plus 5 in. This is how much you need for backroom, or the space from the top of the door back towards the garage interior. Nail the pieces together with a piece of ½in plywood of the same size placed between them to create a header the same thickness as the 2x4 wall framing. On the inside of the the garage the opening should be framed in an “h” pattern as shown in diagram a with 2” x 6” (when possible) wood jambs and a 2 x 4 or 2 x 6 placed across the header.