Washington's relentless rain and freeze-thaw cycles break down masonry over time. Prime Chimney applies professional-grade, breathable waterproofing sealants that keep water out while letting trapped moisture escape — preventing spalling, cracking, and efflorescence.
Prevents water penetration and freeze-thaw damage
Stops spalling and efflorescence
Breathable — lets masonry release moisture
Extends the life of your chimney
Invisible, non-glossy finish
Chimney Waterproofing FAQs
Quality waterproofing lasts 5–10 years. We recommend reapplication before signs of wear appear, especially in Washington's wet climate.
No. Waterproofing protects the exterior masonry. Crown sealing addresses the concrete top. Both are important and often done together.
No. Our breathable sealants penetrate the masonry and leave a natural, non-glossy finish that doesn't change the appearance.
Open 24/7, 365 days a year. Free estimates, same-week scheduling, and honest pricing — that's the Prime Chimney promise.
321 Burnett Ave S Suite 48, Renton, WA 98057 • Open 24/7 — 365 Days a Year