Protector-Flex Joint Fill 2gal
The Concrete Protector's Protector-Flex Joint Fill is a two-component, 100% solids epoxy joint fill system designed for concrete and cement expansion joints where a resilient, flexible joint material is needed. With a long pot life, excellent impact resistance, and 60% elongation at break, it handles joint movement without cracking or delaminating. Zero VOC formula and 100% solids make it a compliant choice for demanding commercial and industrial floor applications. Available in 2 gal and 10 gal kits.
Read moreProtector-Flex Joint Fill 2gal is backordered and will ship as soon as it is back in stock.
Protector-Flex Joint Fill 2gal is backordered and will ship as soon as it is back in stock.
Have questions about this product? Call our experts at (877) 743-9732.
Product Description
The Concrete Protector's Protector-Flex Joint Fill is a two-component, 100% solids epoxy joint fill system designed for concrete and cement expansion joints where a resilient, flexible joint material is needed. With a long pot life, excellent impact resistance, and 60% elongation at break, it handles joint movement without cracking or delaminating. Zero VOC formula and 100% solids make it a compliant choice for demanding commercial and industrial floor applications. Available in 2 gal and 10 gal kits.
Key Benefits:
- Strong and flexible with 60% elongation at break
- Excellent impact resistance
- Long pot life of 15-25 minutes for easy application
- 100% solids, zero VOC formula
- Strong adhesion at 450 psi with no delamination
- Can be thickened by adding dry sand
Cure Schedule (at 70°F):
- Pot Life: 15-25 minutes
- Tack Free: 8-12 hours
- Light Foot Traffic: 8-18 hours
- Recoat/Topcoat: 5-8 hours
- Full Cure: 3-5 days
Physical Properties:
- Compressive Strength: 4,100 psi
- Tensile Strength: 2,450 psi
- Adhesion: 450 psi, no delamination, concrete failure
- Elongation at Break: 60%
- Hardness: 58 Shore D
- Viscosity: 30,000-60,000 cps (mixed)
- Abrasion Resistance: 6.1 mg loss (CS10 wheel, 1,000g, 1,000 revolutions)
- VOC: Zero lbs. per gallon
- Solids by Weight: 100%
- Mix Ratio: 1:1 by volume
- Standard Color: Uncolored natural
- Coverage: 2 gal kit at 1/2 in. x 1 in. yields 74-78 lineal ft.
- Recommended Thickness: 1/2 in. to 1-1/2 in.
- Packaging: 2 Gal Kit, 10 Gal Kit
- Shelf Life: 1 year in unopened containers
Limitations:
- All new concrete must be cured at least 30 days before application
- Substrate temperature must be 5°F above dew point
- Product must be mixed thoroughly. Improper mixing can cause soft spots and failure
- Color stability may be affected by humidity, chemical exposure, or sodium vapor lighting
- Colors may vary from batch to batch
- Not UV color stable
- Not transparent in natural color
How to Use:
- Pre-mix Part A and Part B separately
- Combine 1 part Part A and 1 part Part B and mix thoroughly with a low speed mixer
- Optional: Add 1 part sand to thicken
- Pour into the joint and remove any excess material with a putty knife or similar tool
Product Documentation

