Framing Trimmer Stud

A header is a simple beam sized to support the load above the opening it spans.

Framing trimmer stud. When framing a window opening should the jack or trimmer studs be continuous or should they split around the rough sill. Trimmer to king stud etc. Edges of the material is to be kept flush. It can also refer to a jack stud that supports a header above a window or door opening.

It takes several types of studs to frame a wall. In large part because the open stud cavities allow a fire that starts in the basement or first floor to travel rapidly to the upper floor and attic. King studs are the ones that determine the width of door and window openings jack studs support the header and cripple studs connect the header to the top plate. The header is supported by a jack stud at each end.

King stud a full length stud found on either side of a rough opening always located directly next to the trimmer stud. Thick framing member that supports the weight around rough opening. Stud is an ancient word related to similar words in old english old norse middle high german and old teutonic generally meaning prop or support. Trimmers are installed parallel to the primary floor or ceiling joists and support headers which run perpendicular to the primary joists.

A trimmer or trimmer stud is a component of a framed structure that provides additional support for an opening such as a door or window. In light frame construction a trimmer is a timber or metal beam joist used to create an opening around a stairwell skylight chimney and the like. Trimmers are needed to ensure that the structure remains stable and retains its structural integrity despite the creation of openings because openings can create weak points in a structure. Then a header must be inserted to carry the load of the interrupted studs.

Structural framing members trimmers supporting load bearing headers or. Jack studs or trimmer studsthe name depends on where youre located provide the load path from the header to the bottom or sole plate. Jack studs and king studs. This is an interesting question with no clear answer.

Stick is a colloquial term for both framing lumber timber and a timber tree a tree trunk good. The main studs are the vertical pieces of lumber that extend from floor to ceiling. Bct 121 wall framing important framing details trimmers octagon side lengths nailing two plates studs to plates trimmers. Other historical words with similar meaning are quarter and scantling one sense meaning a smaller timber not necessarily the same use.

Choose the stud thickness that was obtained in step 2 90 mm in this example see figure 4. Jerry riga via email. Three 90 45 mm plus the doubling stud gives the required 180 mm trimming stud.