Expert Basement Waterproofing, Crawlspace Waterproofing & Foundation Repair Services for Homeowners in Longview, WA

Advanced Waterproofing LLC is a locally owned, family business based in Longview, Washington that specializes in waterproofing homes in the surrounding areas of Cowlitz County and Clark County.

Services:

• Basement Waterproofing
• Crawl Space Repair
• Foundation Waterproofing
• French Drains
• Hvac Ductwork Repair
• Insulation
• Post & Beam Replacements

Specialties

Advanced Waterproofing LLC is general contractor, we do all general construction and specialize in all things waterproofing. Such as crawl space drainage systems, sump pumps, exterior French drains, insulation, vapor barrier, basement drainage systems & waterproofing, foundation waterproofing, post and beam replacement, dry rot repair, and much more.