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Pool Coping & Expansion Joint Sealing

Deck-O-Seal-style joint sealing and coping repair for Glendora and the San Gabriel Valley. Free estimates.

Need a quote on your pool deck? Call for a free estimate.

📞 (626) 750-0843

Pool Coping & Expansion Joint Sealing

The expansion joint between your pool coping and the concrete deck is a flexible seal that lets the two move independently. When that sealant (a product like Deck-O-Seal) cracks, shrinks, or pulls away, water gets underneath, debris and pests get in, and the coping and deck can start to loosen or crack. We inspect the joint, remove failed sealant, clean and prep the channel, and reseal it, and we can repair or re-set loose coping along the way.

Every job starts with a free estimate and honest, upfront pricing before any work begins.

Expansion Joint Sealing

We clear out failed sealant, prep the joint, and apply a flexible pool-grade sealant so the deck can move without cracking or letting water through.

Coping Repair & Re-Setting

Loose, cracked, or shifted coping is assessed and repaired or re-set so the pool edge is solid and safe underfoot.

Old Sealant Removal & Prep

A new seal only lasts if it bonds to a clean joint, so we take the time to remove old material and dust before resealing.

Signs It May Be Time

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Cracked or Missing Sealant

Gaps, hardened, peeling, or shrunken joint material

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Loose or Shifting Coping

Coping that rocks, sits uneven, or has separated from the deck

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Water at the Edge

Water pooling along the deck or getting under the coping

Coping & Joint Sealing by City

Also see Pool Deck Coating or all our services.

📞 Call (626) 750-0843