Concrete Solutions for architects, engineers and builders since 1974

MoistureBloc Flexible Joint Sealant

MOISTUREBLOC FLEXIBLE JOINT SEALANT is a breathable two-part epoxy flexible joint filler designed for use on MoistureBloc treated surfaces that require fast-track filling and sealing of moving expansion/contraction joints. The product is tough and durable with excellent adhesion and flexibility to resist cracking, as well as high impact and abrasion resistance.


  • Shaveable in 4-6 hours
  • No heat required for shaving
  • Provides excellent adhesion, flexibility, durability, and resistance to impact, water and abrasion
  • Cures with less than 1% shrinkage or loss in film thickness
  • Available in Concrete Gray
  • Requires no primer


Gurad/Film Forming Sealers

Penetrating Sealer and Concrete Curing in one easy-to-use product.