Curtain Wall Sealant Calculator
Perimeter sealant and weep system from joint design.
Inputs
Results
Joint width (mm)
6
Joint depth (mm)
6
Thermal movement (mm)2.77
Total movement (mm)5.77
Backer rod dia. (mm)8
Sealant per metre (mL)36
Total sealant (L)7.2
310 mL cartridges24
600 mL sausages12
Application time (hrs)0.8
Sealant NameSilicone (±50%)
Backer Rod M210
How to Use This Calculator
- Enter the total curtain wall area and the number of horizontal and vertical joints.
- Set joint width and depth in millimeters.
- Input the sealant coverage rate and cost per unit.
- Review total sealant volume needed and estimated material cost.
- Add 10-15% waste factor to the order quantity for field conditions and overlaps.
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