Joint Sealant Calculator
Sealant volume from joint width, depth, and linear footage.
Inputs
%
Results
Sealant volume (cu in)
345
Cartridges (10.1 oz)20
Sausage packs (20 oz)10
Backer rod diameter (in)0.63
Backer rod (linear ft)210
Width-to-depth ratio2
Max movement (inches)0.13
Estimated cost ($)$175.5
How to Use This Calculator
- Enter Joint Width (inches) — measure at the widest point, as joints are typically tapered.
- Set Joint Depth (inches): ideal depth is half the joint width for proper hourglass shape and movement.
- Enter Total Linear Feet of joints to be sealed on the project.
- Set Use Backer Rod to 1 for joints wider than 1/4 inch — backer rod controls depth and provides a bond breaker.
- Select Sealant Type and Waste Factor (%) based on joint geometry and application method.
- Review Cartridges (10.1 oz) or Sausage Packs (20 oz) needed, Backer Rod footage, and Estimated Cost for procurement.
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