To make it easy for you we have constructed a calculator to determine the amount of Coppercoat required. Simply click the style of boat you wish to coat, and fill in the waterline length, beam and draft (in feet). These calculators are designed to be a general aid – if you are unsure of the area to be treated, please contact AMC Ltd for confirmation of the quantity required.
How much will I need?
The Formula Used
To determine the quantity of Coppercoat required, calculate the hull area by simply multiplying the waterline length by the addition of the beam and the draft. Then, depending on the vessel, apply a factor:
- For full bodied craft such as motorboats or displacement and full keeled yachts, no factor is applied
- For medium bodied craft, such as large fin and skeg or blige keeled yachts, multiply by a factor of 0.75.
- For light bodied craft, such as fin keeled yachts, multiply by a factor of 0.60.
If the calculation is in feet, multiply the figure by 0.093 to convert to square meters. Given that Coppercoat has an effective coverage rate of 4 square meters per litre; divide this figure by 4 to determine how many litres are required.
Example 1
A 34ft motorboat, with a 30ft waterline length, a 12ft beam & a 2ft draft;
30 x (12+2) = 420 sq.ft, x 0.093 = 39.06 sq.m, / 4
= 9.76 litres required. As Coppercoat® is supplied in 1 litre units, 10 litres should be used.
Example 2
A 28ft fin keeled yacht, with a 26ft waterline length, a 11ft beam & a 5ft draft;
26 x (11+5) x 0.6 = 250 sq ft, x 0.093 = 23.25 sq.m, / 4
= 5.81 litres reqired. As Coppercoat® is supplied in 1 litre units, 6 litres should be used.