Garage Door Lvl Header Framing
Depending on your opening the lumber width will be 6 to 8 wide.
Garage door lvl header framing. Our manufacturing process minimizes many of the natural inconsistencies found in wood. If the door is 7 tall frame the opening 7 1 5. Microllam lvl headers microllam lvl headers work well in applications from window openings to garage door headers. To finish the opening cut the header and jambs from 2 lumber.
Timberstrand lsl 12 13 microllam lvl 14 15 parallam psl 16 17 non snow roof load tables timberstrand lsl 18 19 microllam lvl 20 21 parallam psl 22 23 beam details 24 window and door. Lp solidstart lvl is not cambered. On previous projects i have been supplied a glu lam boise makes specifically for garage door headers that was 3 1 2 x 11 1 4 x 18 9. Lp solidstart lvl sized with the tables and design values in this guide requires continuous lateral restraint of the compression edge.
Continuous restraint is defined as a maximum unbraced length of 24. All other data is available on page 121 of the 2012 international residential code. Span charts and 2012 irc building codes for girders and headers. Includes span tables for all load bearing locations and the number of jack studs.
The beam they have specified now is 3 1 2 x 12 x 18 9. These charts are for 30 pound per square foot snow load on the roof. 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. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
Lvl 8 9 parallam psl 10 11 snow roof load tables. Header details 24 25 nailing on narrow face 25 allowable holes 26. The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam.