Calvin Henry-Cotnam wrote:
..
Stick-built roofs tend to only span about the same distance as floor
joists and would require load-bearing interior walls to support them.

Engineered trusses tend to be designed to span from exterior wall to
exterior wall.


I like that "tend to be" Readers be sure to read that part carefully.
As they all are not. I would suggest that "Engineered trusses are designed
to span from load bearing surface to load bearing surface.

--
Joseph Meehan

Dia duit