Cripple studs

Cripple studs

The studs in a wall system that support headers above (and below) windows or doors; indiscriminately placed, these additional studs can result in extra heat loss because they do not insulate as well as the insulation in the wall cavity.
References in periodicals archive ?
Try to center them between the cripple studs if you're not using hold-downs (see section at right); there's more room to work there, and you'll know right where they are during subsequent nailing.
If the mudsill is wider than the cripple studs, you bolt through the added blocking (resting on top of the sill plate) and the existing sill plate into the foundation-add 1 1/2 inches to your bolt length.
centers; two-stud corners; single member wood headers; elimination of unneeded trimmer (jack) and cripple studs in rough openings; elimination of headers in non-support walls, windows in alignment with regular studs, single top plate (trusses need to be stacked directly above the studs); drywall clips (instead of wood backer components); and rigid insulation exterior sheathing (eliminates thermal bridging).