Simpson Strong-Tie
Structural connectors and hold-downs commonly referenced in addition/ADU framing notes.
Editorial index · No prices
Materials Worth Knowing
An index of manufacturer resources the Board has pointed to in editorial posts. Not endorsements, not prices, not installation warranties from the Board.
Materials in pictures (illustrative)
ZIP System (Huber)
Weather-resistant sheathing systems often discussed for PNW envelopes.
James Hardie
Fiber-cement cladding frequently cited for coastal moisture cycles.
Boise Cascade engineered lumber
Engineered framing members referenced for efficient spans.
DuPont Tyvek (WRB)
Weather-resistive barrier products often discussed in PNW wall assemblies — not a Board endorsement.
Schluter Systems
Wet-area waterproofing systems commonly referenced in bath remodel detailing notes.
Andersen Windows
Window manufacturer resources sometimes cited in replacement and flashing conversations.
Marvin
Window and door manufacturer resources referenced in coastal moisture detailing notes.
See Materials Worth Knowing sections inside individual blog posts for project context. Links are editorial references — not prices, warranties, or Board product endorsements.
Official
Official resources
Outbound links to government portals only. The Board of Project Stewardship does not issue permits or licenses. Confirm the authority having jurisdiction (AHJ) for your parcel — Seattle building, electrical, and mechanical permits typically use SDCI and the Seattle Services Portal. Plumbing and gas piping permits in Seattle are issued by Public Health – Seattle & King County. Many other Puget Sound cities use MyBuildingPermit. Always re-verify contractors at WA L&I Verify before hiring.
Board feature
Another Story
Same home. Another story. Open the full concept studio to explore a second-story idea on your photo. Concept preview only, not a bid or permit document.