Elastic Gray Concrete Gap Sealant 350/500ML Anti-Aging Weatherproof Cement Floor Joint Repair Glue

Elastic sealant for concrete repairs, Azabooti delivers a reliable gray solution that bonds deeply and remains elastic. This single-component sealant is ideal for indoor outdoor use and permanent waterproofing.

Restore and protect your concrete with reliable, weather-ready sealant that bonds deeply and seals out water. This elastic gray concrete gap sealant is designed for both indoor and outdoor concrete repairs, offering high bond strength, permanent waterproofing, and a flexible finish that resists aging and cracking. Ideal for filling expansion joints, cracks in floors, walls, and pavements, it provides a seamless, near-invisible repair that blends with your existing concrete color. With a simple, single-component formula and easy extrusion, you can repair like a pro without fuss.

Why you’ll love it

• High bond strength to concrete, cement, stone, and mortar for a durable repair that won’t peel or flake under pressure or vibration.
• 100% waterproof and seepage-proof once cured, protecting basements, terraces, and outdoor joints from moisture intrusion.
• Weather-resistant and elastic to accommodate temperature changes, UV exposure, and seasonal shifts without cracking anew.
• Single-component, no-mix formula — simply load into a caulking gun, apply, and smooth for beginner-friendly use.
• Two capacity options: 350ml and 500ml to cover small or large repairs, from narrow cracks to expansive joints.
• Color-matched gray core blends with concrete for an almost invisible finish.

Where you can use it

• Indoor and outdoor concrete repairs: garage floors, patios, sidewalks, walls, basements, and foundation joints.
• Expansion joints and cracks in driveways, pavements, and stairs.
• Waterproofing around balconies and terrace joints to prevent dampness.

How to apply

• Clean the crack or joint, removing dust, oil, and moisture.
• If cracks exceed 1 cm, insert foam backing to optimize sealing and adhesion.
• Keep the surface dry during application and cure for 24–48 hours before exposure to water.
• Store in a cool, dry place away from direct sunlight after use.

Product specifics

• Material: Elastic polyurethane concrete sealant, gray core
• Net content: 350ml / 500ml
• Surface compatibility: Concrete, cement mortar, stone, brick walls, gypsum board
• Color: Solid gray to blend with concrete tones

Quality you can trust — our sealant is designed for strong adhesion, waterproofing, and long-term elasticity. It’s packaged in leak-proof tubes and ready to use with standard caulking guns, making it a practical choice for home repairs and light commercial work alike. Whether you’re sealing a damp basement joint or upgrading a cracked outdoor patio, this grey concrete gap sealant delivers durable, reliable performance.

Features

• Bonds strongly to concrete and cement
• Seals gaps and expansion joints
• 100% waterproof after cure
• Weatherproof and UV resistant
• Single-component easy extrusion
• Flexible finish resists aging and cracking
• Near-invisible gray color blends with concrete

Specifications

• Materials: Elastic polyurethane concrete sealant, Gray color core, Indoor outdoor use, Single component formula

Frequently Asked Questions

Can this elastic sealant be used indoors and outdoors?

Yes, it is formulated for indoor and outdoor concrete repairs. It adheres to concrete, cement, stone, and mortar, providing a durable, waterproof seal in varying conditions.

How does cure time affect application and use?

Cure times vary with temperature and humidity. Follow the single-component instructions for initial skin formation and full cure before exposure to heavy traffic or water.

Does it require a caulk gun or special tools?

The product is ready to extrude from a standard cartridge, compatible with common caulk guns for easy application.