A-18 Typical Coating Thickness?

A-18 Typical Coating Thicknesses
Wet Mil Film Thickness
Sq ft/Gal
Non Combustible Surfaces – Unpainted
e.g. metals, concrete
5-8
300-200
Non Combustible Surfaces – Painted
e.g. Sheet rock, Fiberglass (depends upon paint thickness
9-15
175-10
Combustible Surfaces
e.g. wood, wood products, composites, except for foam
15-22
175-70
Marine – Combustible Surfaces
20-30
80-50
More Severe Conditions (high temperature, long duration)
45
35

 

Typical Coverage is:
250 Sq. Ft. Per Gallon (at 6 mil wet=.006in.)
TO
60 sq. Ft. Per Gallon (at 25 mil wet=.025in.)
Depending on Surface Material and Requirements

One Brush Coat
Applies up to 5 mils wet thickness

One Roller Coat
Applies up to 8 mils wet thickness

One Spray Coat
Applies up to 25 mils wet thickness
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