Business Information
GP General Corp is a Seattle siding contractor and James Hardie Preferred Installer serving Seattle, Bellevue, Kirkland, Redmond, Sammamish, Issaquah, Mercer Island, Edmonds, Bothell, and Everett.

We install James Hardie fiber cement over Benjamin Obdyke HydroGap Drainable WRB — built for Pacific Northwest weather. Every project starts with a free on-site assessment and a written, fixed-price quote, and ends with a 20-point walk-through covering caulk lines, paint touch-ups, downspout reattachment, and full site cleanup.

Owner-run. No call centers — warranty concerns go straight to Paul. Backed by the 30-year James Hardie product warranty plus workmanship warranty on every install.

Opening Times
Mon-Fri 6am-7:30pm, Sat 9am-5pm, Sun Closed

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