Sikaflex 1a Kit - One Component, Flexible, Non Sag, Polyurethane Concrete and Masonry Sealant for Vertical and Horizontal Surfaces, Sikaflex 1a 10 oz (Limestone, Pack of 12)
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Sikaflex 1a Kit - One Component, Flexible, Non Sag, Polyurethane Concrete and Masonry Sealant for Vertical and Horizontal Surfaces, Sikaflex 1a 10 oz (Limestone, Pack of 12)

4.6/5
Product ID: 487956414
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Details

  • Material
    Polyurethane
  • Brand
    AWF PRO
  • Style
    Flexible
  • Item Weight
    10 Ounces
  • Compatible Material
    Concrete
🌧️Moisture cured, water & weather resistant
🛠️One-component, no primer needed
🧘‍♂️±35% elasticity for flexible joints

Description

🔧 Seal smart, seal strong—join the pros who never compromise!

  • BUILT TO LAST - Superior resistance to aging, weathering, and even jet fuel—durability you can trust.
  • CERTIFIED QUALITY - Meets rigorous ASTM, Federal, and Canadian standards for professional-grade reliability.
  • VERSATILE COVERAGE - Perfect for vertical & horizontal surfaces—windows, doors, roofing, and submerged joints.
  • FLEXIBLE PERFORMANCE - Accommodates ±35% joint movement, ensuring crack-proof, long-lasting seals.
  • EFFORTLESS APPLICATION - One-component formula bonds instantly without primer—save time and skip hassle.

Sikaflex 1a Kit is a premium, one-component polyurethane sealant designed for concrete and masonry. It offers excellent adhesion without primer, high elasticity (±35% movement), and superior resistance to weather, aging, and jet fuel. Ideal for vertical and horizontal joints up to 1/2 inch deep, it meets top industry standards and is perfect for professional-grade sealing on windows, doors, roofing, and even submerged applications.

Specifications

MaterialPolyurethane, Limestone
BrandAWF PRO
StyleCompact
Item Weight10 Ounces
Compatible MaterialConcrete
Water Resistance LevelWater Resistant
Item FormLiquid
ColorLimestone
Surface RecommendationWindow, Door
ManufacturerSikaFlex
Part NumberSKF1LMSTN-12-1
Item Weight10 ounces
Package Dimensions14.65 x 7.68 x 7.24 inches
Item model numberSKF1LMSTN-12-1
Size12 Pack
Item Package Quantity12
Batteries Required?No

Have a Question? See What Others Asked

Is this the product to seal the expansion joints on a sloped driveway?
My concrete deck is more of a red sandstone color. do you have self leveling for that?
Is this paintable
Did you have brown?

Reviews

4.6

All from verified purchases

G**A

Best stuff ever!

I’m giving a five star because the batch I received has a 8 month shelf life and the previous two batches also had a long shelf life, which seems to be rare when it comes to Sikaflex. Sikaflex 1a is the best stuff you can get. It works on everything.. Don’t use it on something you plan on taking apart later lol it’s permanent stuff. If you’ve never tried it, you must get some because every contractor and handyman should have this product in their arsenal. It works great on concrete, wood, roofs, and almost everything else.

J**N

Used to Seal windows

Used this to caulk around my Window and this stuff is hardcore works great for roof as well!

E**R

Read how to use it.

Sika is an excellent product

J**E

Great product!!

As decsribed

U**E

Amazing product

Amazing product. Timing worked out perfectly as we were having our house painted. Easy to use and and clean up.

A**R

good

good product

D**Y

Special projects

This is the only adhesive I can use on glass I back paint with a special formula for adhesion

S**Y

I keep purchasing this product

My experience with this product has been great. I have been dealing with a leak where the concrete vault of my Bilco entryway to my basement butts up against my poured concrete basement wall. While this sealer, has exceptional expansion and contraction properties to accommodate temperature fluctuation, it firmly adheres to the concrete surfaces and requires an extensive effort to remove it once it cures in place. I just purchase a 12 tube case for other work around the house.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Sikaflex 1a Kit One Component Flexible Non Sag Polyurethane Concrete | Desertcart Tunisia