Formula and example
How it is calculated
ml = profile cross-section in mm² × length in metres; cartridges = ceil(ml with reserve / cartridge ml)
Worked example
12 m long, 10 × 6 mm rectangular profile: 720 ml, with 10% reserve 792 ml, i.e. 3 cartridges of 300 ml.
Things to check
- Rectangle implies full filling, triangle implies a right-angled corner profile, and circle implies a circular cross-section adhesive bead. For circles, the depth field is not used in calculations.
- The type of sealant, permitted joint size and backer rod are determined by the product datasheet and the structure. This is a quantity estimate, not a structural bonding or aquarium construction sizing.
Frequently asked questions
What does the triangular cross-section mean?
We calculate a right-angled triangle from the two bond widths measured on the two surfaces of the corner. The actual concave surface may differ from this, so the geometry is an estimate.
How is the millilitre derived?
A cross-section of 1 mm² over a length of 1 metre is 1000 mm³, i.e. 1 cm³, which is 1 ml. Thus, the numerical product of mm² and metres gives millilitres.