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Sikaflex Self Leveling Sealant, Gray, Polyurethane, 29 fl. oz Cartridge, 12 Pack

Sikaflex Self Leveling Sealant, Gray, Polyurethane, 29 fl. oz Cartridge, 12 Pack

Regular price $25.31
Regular price $25.31 Sale price $33.75
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✨ Product Features & Details

🎯

Easy Versatile Application

Apply self-leveling concrete sealant to expansion joints without concern for uneven surfacing. Perfect for driveways, garages, sidewalks, or pavement.

Quick Curing

Once applied, compound tempers to a tack-free consistency within a couple hours, with a final cure in less than a week. Once cured, it can be painted, sanded, or stained.

💧

Waterproof and Immersible

After curing, this sealant prevents water infiltration, so moisture won't accumulate or cause damage. Permanent elasticity and self-leveling properties provide improved consistency.

☀️

Excellent Resistance to Weathering

Withstands the worst nature can throw at it without loss of performance or appearance. Resists aging for a high-quality polyurethane concrete sealant.

🏗️

Top Choice for Concrete

Perfect for use as a concrete self-leveling compound on driveways, warehouses, factories, and civil structures. Narrow tip makes for easy and accurate application.

🎨

Paintable & Sandable

Blend seamlessly with surrounding surfaces for a professional look.

Sikaflex Self Leveling Sealant, Gray, Polyurethane, 29 fl. oz Cartridge, 12 Pack

Sikaflex Self Leveling Sealant, Gray, Polyurethane, 29 fl. oz Cartridge, 12 Pack

 (88 Reviews)
Regular price $25.31
Regular price $25.31 Sale price $33.75
SAVE 25% Sold out
View full details
Seal It Once Seal It Once

🏗️ Sika Sikaflex Self-Leveling Polyurethane Sealant

Seal it once — seal it right. ✅

Sika Sikaflex Self-Leveling Sealant is a high-performance polyurethane compound designed to permanently seal horizontal concrete joints and cracks. Its smooth self-leveling formula flows evenly into gaps, creating a flexible, waterproof bond that resists cracking, weathering, and traffic wear.

Whether you're repairing your driveway, garage floor, patio, or warehouse slab, Sikaflex delivers professional results every time.

🎯

Easy & Versatile Application

No need for tooling — just apply and let it level itself. Perfect for driveways, garages, sidewalks, or any flat concrete surface.

Fast Curing & Paintable

Tack-free in just a few hours; fully cured in less than a week. Once cured, it can be painted, sanded, or stained for a seamless finish.

💧

Waterproof & Immersible

Forms a watertight, flexible barrier that prevents moisture intrusion and freeze-thaw damage. Ideal for wet or humid environments.

☀️

Superior Weather Resistance

Engineered to withstand UV rays, heat, rain, and snow without loss of elasticity or color. Keeps concrete protected year-round.

Professional Results

Trusted by contractors and DIYers alike. Available in 10.1 fl oz (home repairs) and 29 fl oz (heavy-duty use).

🎨

Paintable & Sandable

Blend it smoothly with surrounding concrete for a clean, professional look that matches your existing surface.

🧱 Recommended Uses

Ideal for horizontal concrete applications

📐 Expansion & control joints
🚗 Driveways & parking lots
🚶 Sidewalks & walkways
🏠 Garage floors
🌴 Patios & pool decks
🏭 Warehouses & industrial floors

📋 Technical Specifications

Professional-grade performance

Base Material One-component Polyurethane
Application Type Horizontal / Self-Leveling
Movement Capability ±25% (ASTM C920)
Skin Time ≈ 1–2 hours
Full Cure 3–5 days
Temperature Range -40°F to 170°F (-40°C to 77°C)
Available Colors Gray / Sandstone
Shelf Life 12 months (sealed tube)

💡 Why Customers Love It

Real benefits from professionals and homeowners

Authentic SIKA USA product — Guaranteed quality from a trusted 110-year-old Swiss brand
Long-lasting elastic performance — ±25% joint movement without cracking or tearing
Easy DIY application — No special tools required, self-levels for professional finish
Fast U.S. shipping — Fresh stock with full 12-month shelf life guarantee

Ready to Seal It Right?

Join thousands of satisfied customers who trust Sikaflex

Add to Cart — Get Started Today
🗽 Made for USA
📦 Fast Shipping
ASTM Certified
🔒 Fresh Stock

🎥 Product Video Reviews

Watch real customers and experts review the Sika Sikaflex Sealant

Is SikaFlex Self Leveling Sealant Worth It?

Kevin Hart • Product Review

3:42

Is SikaFlex Self Leveling Sealant Worth It?

Kevin Hart

1:48

WATCH-How to with Tips and Tricks!

Taylor Reviews All

6:41

My Honest Review of Self Leveling Sealant ⭐

Reviews with Kim ⭐

1:01

Leveling Sealing Review - Must Watch

Shop with B

1:15

Sikaflex Self Leveling Sealant Instruction Video

Sika Corporation - BISS

0:57

1 Year Review Video

Michigan Tree Tops

2:34

WATCH-Pro Tips and Tricks

DIY Home Repairs

🏆 FROM THE MANUFACTURER

MODY HOME

Your Trusted Home & Garden Partner

At Mody Home, we bring you premium repair solutions and tools to beautify your home, garden, and lifestyle.

110+
Years of
Innovation
101
Countries
Worldwide
300+
Manufacturing
Facilities
27K+
Expert
Employees
Seal It Once

SEAL IT ONCE™ - Done Right, Done Forever

This single-component, premium-grade polyurethane sealant cures quickly so you can complete your project on time. It offers superior adhesion and strong durability.

  • One application lasts for years
  • Quick curing - complete projects faster
  • Superior adhesion to concrete & masonry
  • No maintenance or re-sealing needed
Technical Features

Professional-Grade Performance

Ideal for driveways, sidewalks, garages, patios, and other concrete surfaces. This sealant remains elastic to accommodate joint movement while resisting weathering and cracking.

  • Permanently Elastic: Accommodates joint movement
  • Waterproof Protection: Rain and snow won't infiltrate
  • Bridge Gaps: Fills cracks up to 1.5 inches wide
  • Temperature Stable: -40°F to 170°F range
Application

No Tooling Required - Self-Leveling Formula

No tooling is necessary because of pourable and self-leveling attributes. Simply apply in one continuous application to prevent any air entrapment.

  • Self-leveling - no smoothing needed
  • Professional finish in minutes
  • Easy to use from regular caulking gun
  • Flows evenly into expansion joints
Weather Resistance

Excellent Resistance to Weathering

Withstands the worst nature can throw at it without loss of performance or appearance. Resists aging for a high-quality polyurethane concrete sealant.

  • Survives extreme temperature fluctuations
  • UV resistant - won't degrade in sunlight
  • Freeze-thaw cycle stable
  • Heavy traffic rated - daily use approved

🔧 How to Apply

1
Clean Surface

Clean Surface

Make sure that all surfaces are clean, structurally sound, dry and free from grease. Remove all dirt, oil, moisture, and/or old sealant.

2
Prepare Crack

Prepare Crack

Widen crack using a chisel and hammer to at least 1/4" and use wire brush to clean out debris.

3
Cut and Load

Cut & Load

Cut the tip of the nozzle at a 45° angle to the desired bead size, then place the cartridge into a caulking gun.

4
Apply Sealant

Apply Sealant

Apply sealant in one continuous application to prevent any air entrapment. One 10.1 oz cartridge yields 24 linear feet.

📐 Coverage Calculator

10.1 oz Cartridge
✓ Yields 24 Linear Feet

Based on 1/4" bead application. Perfect for DIY projects and smaller repairs. Ideal for homeowners tackling driveway or sidewalk joints.

29 oz Cartridge
✓ Yields 70 Linear Feet

Based on 1/4" bead application. Perfect for contractors and larger projects. Ideal for warehouses, factories, and commercial applications.

🏡

MODY HOME

Your Trusted Home & Garden Partner

Mody Home is your dedicated partner for home repair solutions and beautification tools. We carefully curate premium products from world-class manufacturers like Sika to bring you the best tools and materials for your home, garden, and lifestyle projects.