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Concrete joint sealing is the process of filling the narrow gaps (called control joints) in your driveway or slab to prevent water, dirt, and weeds from getting in. Over time, open joints allow moisture to seep beneath the concrete, leading to cracking, erosion, and costly repairs.

We seal these joints using a foam backer rod, fine sand, and a high-quality self-leveling sealant that moves with the concrete as it expands and contracts. This creates a smooth, clean line that protects your slab while improving its appearance.

✅ Why It Matters:

Stops water from getting underneath your driveway
Prevents weeds, dirt, and pests from filling the cracks
Adds a clean, finished look to the surface
Helps your concrete last longer and stay stronger

Expansion joints are the wide gaps between large concrete slabs — typically filled with wood or fiberboard during construction. Over time, those materials rot, crack, or sink, leaving your concrete exposed to water, shifting, and weed growth.

Our expansion joint replacement service removes that old material and replaces it with fresh backer fill and optional sealant, creating a clean barrier that allows the concrete to move naturally while staying protected.

✅ Why It Matters:

Prevents water from seeping below the slab, which can cause heaving or sinking
Blocks out weeds, debris, and pests
Improves the overall look of your driveway or patio
Restores critical spacing between concrete sections, helping prevent cracks

Technically, yes — but it’s not as simple as it looks.

Joint sealing and replacement require the right materials, tools, and prep to do it right. Most DIY jobs skip critical steps like proper backer rod sizing, cleanout depth, or using the correct sealant for flexibility and durability. That can lead to failed seals, trapped water, and wasted time and money.

We’ve already done the trial-and-error part so you don’t have to. Our team gets it done clean, fast, and built to last — no mess, no guesswork, and a finish that looks professionally installed (because it is).

✅ Bottom line:

You can DIY it — but we make it way easier, faster, and longer-lasting.

Great question — it depends on the type and condition of the joint.

Control joints are the narrow cuts or grooves you see every few feet in concrete. If they’re open or showing signs of weeds, dirt, or minor cracking, they likely just need to be cleaned and sealed.

Expansion joints are the wider gaps between large concrete slabs, often originally filled with wood or fiberboard. If that material is rotted, missing, or sunken, it’s time for a full replacement with a flexible rubber insert or new backfill system.