How to Mix Belzona 4511 by Volume

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Belzona 4511 a two-component, solvent-free elastomeric sealant for vertical, horizontal and sloped expansion joints

This sealant can be applied by a caulk gun or spatula. 

One of the key factors of a Belzona application is a thorough mix of two-component materials. 

In this video we demonstrate how to mix Belzona 4511 by volume. 

Each product package comes with the Manufacturer’s Instructions for Use.  
 
Measure 5.1 parts of Base and 1 part of Solidifier using a measuring cup, and thoroughly mix using a spatula. Make sure to scrape off material to fully incorporate all the components. 

Continue mixing until a homogenous color and consistency are achieved. 

The mixed material is sag-resistant and ideally suited for joints with +/- 12.5 % movement. 

Once the mixed material turns into a uniform grey color, it is ready for the planned application on: 

- Concrete bleachers and steps
- Access ramps
- Vertical expansion joints
- Adjacent walls
- Concrete bases
- Windows, doors and other openings