Header / Lintel

Built-up header over an opening from tributary + point loads.

Design diagram — updates live with your inputs

Member & Material

Material type

Species Sawn lumber only

Grade Sawn lumber only

Ply width b (in) Single-ply width

Depth d (in)

Number of plies Built-up header

Opening width (ft) Clear opening

Tributary width (ft) Half the sum of adjacent spans supported

Dead load (psf)

Floor live load (psf)

Roof snow load (psf)

Point dead load (lb) Concentrated load from above at midspan (optional)

Point live/snow load (lb) Optional

Service condition

Temperature

Live defl. limit L/

Total defl. limit L/

Incised lumber Yes

NDS 2018