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Joint Sealants

These are flexible, two-part elastomeric sealants for construction and expansion joints in concrete, stone, brick and other rigid substrates. They accommodate joint movement while maintaining a watertight, durable seal.

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Overview

Looking for joint sealants? Below are the Belzona products our Mid-Atlantic team specifies, supplies, and applies for this purpose — cold-applied, in place, with no hot work and, in most cases, no shutdown. As the authorized Belzona distributor for the Mid-Atlantic, we match the right system to your asset and operating conditions, then supply it, apply it, or both, with 24-hour support across Virginia, Maryland, Washington, D.C., and most of West Virginia.

What this solves

  • Sealing horizontal expansion and construction joints in concrete (Belzona 4521, up to ±25% movement accommodation)
  • Sealing vertical and horizontal building joints subject to movement (Belzona 4511, up to ±12.5% movement)
  • Maintaining a watertight seal in floors, walls and containment areas where joints flex
  • Resealing failed or deteriorated joints on stone, brick and concrete structures

Joint Sealants products (2)

Belzona 4511

Magma-Flex Hi-Build

A two-component, solvent-free, fluid elastomeric sealant for vertical and horizontal building and expansion joints with up to ±12.5% movement. Qualified as ASTM C-719 Class 25, Type M, Grade N.

Belzona 4521

Magma-Flex Fluid

A fast-curing, two-part flexible elastomeric sealant for construction and expansion joints on concrete, stone, brick, and other rigid substrates. 25% movement capable.

Local · Authorized · Supply + Apply

Not sure which joint sealants system fits?

Tell us the asset and the conditions — our Mid-Atlantic team will recommend the right Belzona product and apply it if you need.

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