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 ?
Cripple studs and truss clips which attach rafters to the walls are missing, as are joist hangers.
Have the open side of the track face up so you can slide in the cripple studs if you need them.
Elements of advanced framing include nominal 5 X 15-cm (2 X 6-in.) studs located on 61-cm (24-in.) 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).
For example, he added cripple studs beneath window bottom plates and doorway headers and added blocks above single headers in interior walls.
(You can space bolts up to 6 feet apart on a single-story house, but 4 feet is better.) 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.
E for window opening details to make your header and trimmers and cripple studs. Note that the side walls fit against the back wall.