Trimmer Jack Stud

Dwb is calling it a trimmer.

Trimmer jack stud. It can also refer to a jack stud that supports a header above a window or door opening. Choose the stud thickness that was obtained in step 2 90 mm in this example see figure 4. 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. My foreman corrected me and said on real job sites its called a cripple.

When the opening is greater in width than the stud spacing and most windows are wider than 24 in. Jerry riga via email. King jack and cripple studs shall be of the same dimension and thickness as the adjacent wall studs. This is an interesting question with no clear answer.

The number of jack and king studs installed on each side of a header shall comply with table r60371. 1320 x 15 x 55 10890 lbs. So to answer your question. Trimmers are installed parallel to the primary floor or ceiling joists and support headers which run perpendicular to the primary joists.

The jack stud is sometimes called a trimmer stud. A header is a simple beam sized to support the load above the opening it spans. The maximum load for your 2x6 jack stud i call them trimmers is. Step 5 trimming stud size now read across to the right column in table 85 to obtain the thickness of the trimming studs 180 mm see figure 4.

They are also known as trimmer studs or simply trimmers and their function is to support the top of the door or window opening which is known as the header. I grew up calling it a jack stud. 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. Jack studs or trimmer studsthe name depends on where youre located provide the load path from the header to the bottom or sole plate.

425 x 15 x 55 3506 lbs. However it sits on a plate and the header sits on it in perpendicular compression so the maximum load it can support without crushing the plate is. 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. Then a header must be inserted to carry the load of the interrupted studs.

I had never heard it called a cripple before. When framing a window opening should the jack or trimmer studs be continuous or should they split around the rough sill. The jack stud is shorter than the full length king stud on each side of a window or door opening but critical for holding up the ends of the header that bridges the gap. The header is supported by a jack stud at each end.

Jack studs the framer attaches the jack studs on the sides of the king studs that face the opening. Jack studs and king studs.