Joist and Sill Plate
Definition
The sill plate is the bottom horizontal piece of wood (typically pressure-treated 2x6 or 2x8) bolted to the foundation, on top of which the floor joists rest. Joists are the parallel horizontal members that span between sill plates and walls to support the subfloor and finished flooring above.
Common Questions
Real-World Example
You'd see this when a homeowner in Vancouver, WA notices uneven floors near an exterior wall — CRM Services inspects the crawl space and finds rotted sill plate sections requiring partial replacement before encapsulation.
Why It Matters
Sill plate and joist work is core scope on CRM Services' foundation and crawl space remediation projects across the PNW.
Related Services
Related Terms
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