Epoxy Crack Filler for Concrete or Masonry

Beside the amazing strength of epoxy and its tenacious bond to concrete, which exceed the strength of concrete itself, this state-of-the-art epoxy offers new unique features:

• Adheres to damp surfaces, which makes it ideal for basements
• Water-based epoxy – easy cleanup, zero VOCs, environment-friendly

Two-part construction repair epoxy. No polymer additives, 100% thermosetting hydrophobic epoxy. Virtually indestructible under high water pressure, heavy traffic, or extreme temperatures. Resists chemicals.

Ideal for permanent repair of cracks, joints, holes, spalls, and defects in indoor or outdoor concrete, bricks, and masonry, and for sealing very porous blocks or concrete.

The Old Ways of Fixing Leaking Cracks

The common methods provide only a temporary, superficial fix.

Hydraulic cement is waterproof but does not bond well to concrete. That’s why it needs an inverted V-groove. But it is also very rigid and does not move with the concrete. After a couple years, this rigid rod gets loose and efflorescence (white powder) starts appearing around its edges, soon followed by drops of water.

Polyurethane caulk is both waterproof and flexible. It bonds well to the surface of dry concrete but wicking water and efflorescence gradually weaken the bond. It has no strength and easily separates due to water pressure, efflorescence, or traffic.

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Do-It-Yourself Epoxy Crack Filler Kit

The crack repair kit is suitable for contractors or for do-it-yourself application by homeowners.

Contents of the Kit:

1 can of Base Resin (compound A)

1 can of Epoxy Hardener (compound B)

2 measuring cups

1 mixer attachment.

You will need:

• plastic container (a small pail) for mixing
• low-speed electric drill for the mixer
• small plastic watering can for pouring the epoxy into cracks or a small trowel for epoxy-sand mix.

You will need a plastic container (a small pail) for mixing and a low-speed electric drill for the mixer. If needed, some DRY silica or granular sand (no fines) to be mixed in. A small trowel or a small plastic watering can if the epoxy will be poured into joints or routed crack.

Appearance: Gray color. Adding sand or sprinkling on sand before curing makes it more gray, closer to the color of concrete.

The filler is paintable. In case of pure epoxy, it is best to first roughen up the surface with a grinder.

Repair Projects for the Crack Filler

Use to repair cracks, joints, or pit marks in indoor or outdoor concrete and masonry.

• cracks in concrete slabs, factory floors (first route out ½” deep with a grinder)
• cracks in concrete blocks (unsuitable for crack injection due to hollow cores)
• holes, spalls, pit marks in concrete driveways, patios, and pool decks
• cracks and spalls in parking decks to protect embedded steel
• very porous concrete blocks (trowel on the epoxy-sand mixture and push into pores)
• lightweight, splitface, and similar blocks with little or no cement, which do not hold water
• deteriorated, leaking concrete blocks.

For information on the appropriate mixture and application for your project, visit Epoxy Crack Filler Application

Price and Shipping

Item	Price	Shipping
Epoxy Crack Filler Kit (epoxy 2x 1-qt.)	$144	$15
Epoxy Crack Filler Kit - large (2x 1-gal.)	$289	$21

Normally shipped the same or next business day. Delivered by courier in 3 to 5 business days. The shipping costs are valid for the lower 48 states. For shipping express, to other states or Canada, please contact us for shipping rates. Returns in saleable condition are accepted within 30 days of purchase.

Coverage

Based on a routed out crack 1/4" wide by 1/2" deep and using pure epoxy (without added sand), the smaller kit (2 quarts of epoxy) will fill approximately 75 linear feet. The larger kit (2 gallons of epoxy) provides four times more volume – 300 linear ft.

Using the smaller kit and 4:1 sand to epoxy ratio, you will need approximately 20 lbs. of dry silica sand and the mixture will fill about 375 ft. of cracks ¼” wide and ½” deep.