by admin | Aug 13, 2025
The soil layer that experiences seasonal moisture changes and movement.
by admin | Aug 13, 2025
A structural support member, often wood or steel, that supports floor joists and the structure above.
by admin | Aug 13, 2025
Solid rock beneath soil layers, suitable for supporting foundations.
by admin | Jan 19, 2022
Is a construction term used to describe below ground or below the surface grade/level.
by admin | Aug 13, 2025
A wall that curves inward due to soil pressure or structural failure.