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Gelcoat Application Guidelines

As a Rule of Thumb: For One Quart (32 oz) of Resin:

MEKP % cc Teaspoons fl oz
0.50 5 1 1/5
1.00 10 2 1/3
1.50 15 3 1/2
2.00 20 4 3/4

Gelcoat Approximate Coverage Chart for 308, 309, 555 & 585:

BRUSHED or ROLLED
Quart = 25 SF
Gallon = 100 SF

SPRAYED
Quart = 20 SF
Gallon = 80 SF

Glass Weight and Thickness Guideline

Material Glass/Resin Ratio Weight Total (lbs/sq ft) Thickness per Ply
.75oz Mat 30/70 0.157 .023″
1.50oz Mat 30/70 0.314 .045″
10.00oz Cloth 50/50 0.140 .017″
18.00oz Woving Roving 50/50 0.250 .029″
24.00oz Woving Roving 50/50 0.334 .038″

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