It was designed to carry the load from the roof ridge and the previous owner added storage using the built up beam to tie one end of the storage joists to.
How to fix a sagging roof ridge beam.
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Collar ties rafter ties tension beams structural ridge beams.
Some of these can support the roof and prevent ridge sagging and wall spreading.
The ridge board provides a stable nailing surface and adds some lateral stability whereas a ridge beam is a structural support member that eliminates the need for a connection between the end walls to avoid spread.
This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.
The beam had deflected about 1 125.
A ridge board or ridge beam at the peak of the roof is also an important component.
Ask this old house general contractor tom silva teaches a homeowner how to repair some structural problems in his home.
Btw i didn t draw it this way but the tops of the rafters atop a beam are often cut long with the addition of a reverse angle cut to make a ridge point so that the rafter tops can sit fully seated on the beam side by side and be nailed together.