Houston Concrete Fix 📞 Call Now

Home › Services › Expansion & Control Joint Sealing

Our Most Common Repair

Expansion & Control Joint Sealing in Houston, TX

If there's a gap or crumbling strip between your driveway and garage floor, or between sections of your pool deck, that's a failed expansion or control joint — one of the cheapest concrete problems to fix, and one of the most expensive to ignore.

Joints We Seal

Driveway Expansion Joints

The joint between your driveway and garage floor, and between individual driveway sections — the highest-traffic joint on most properties.

Pool Deck Coping Joints

The joint between pool coping and the deck, color-matched to your existing concrete — failure here is one of the most consequential joint problems since it sits right at the water line.

Patio & Sidewalk Control Joints

The intentional cut lines in a poured slab that control where cracking happens — kept sealed and watertight.

Why This Matters More Than It Looks

An open expansion joint isn't just cosmetic. It's a direct path for rainwater to get under your slab, which accelerates soil erosion beneath the concrete and is one of the leading causes of a driveway or pool deck settling unevenly over time. Keeping joints sealed is inexpensive, preventive maintenance — the kind of thing that's genuinely cheap insurance against a far more expensive repair down the line.

How It Works

Old Material Removed

Any remaining old sealant, wood filler, or debris is cleaned out of the joint down to a clean, dry surface.

Self-Leveling Sealant Installed

A polyurethane or silicone self-leveling sealant is poured in, color-matched where it's visible, and cures into a flexible, watertight seal.

What is an expansion joint, exactly?

It's the flexible strip between two concrete slabs (like your driveway and garage floor) that lets each slab expand and contract independently without cracking. It's filled with a flexible sealant, not solid concrete, on purpose.

Why did my joint filler disappear?

Older joints were often filled with wood or an early-generation sealant that dries out, shrinks, and eventually crumbles or washes out under Houston's sun and rain cycles, leaving an open gap.

How long does resealing take?

Most residential jobs are completed in a single visit, with self-leveling sealant that cures quickly and is walkable the same day in most cases.

Ready for a Free Estimate?

Call for a fast evaluation or send your details online.

Call (281) 972-2981
📞 Call NowRequest a Free Estimate