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https://www.systemthree.com/products...-topside-paint
System Three manufactures a marine topcoat and primer that offer increased environmental friendliness, without sacrificing performance. Since these products thin and clean up with water they are less hazardous and less costly to use than their solvent-containing counterparts. Because they are non-flammable they can be used where flammable solvent-based paints cannot. Once cured, the combination is water and chemical-resistant and offers maximum protection from sun and weather, for watercraft and many other projects. Pennant Primer has easy-sanding properties, while Pennant Topside Paint contains ultra-violet light absorbers, to give it extended durability.
A. PENNANT PRIMER
APPLICATION:
Brush / Roller: Use a high quality synthetic bristle brush or short nap roller made for waterborne paints. No reduction is necessary for application. Best results are achieved by using the foam nap roller in combination with a synthetic brush (roll and tip).
Conventional Pressure Pot:
• Pot Pressure: 10-15 psi
• Atomization Pressure 25-30 psi
• Tip: 1.4 – 1.8 mm tip
• Reduction: As needed, up to 15% (water or denatured alcohol)
Airless Spray:
• Pressure: 2700-3000 PSI• Hose: ¼” ID• Tip: .013”- .015”
• Reduction: As needed, up to 10% (Denatured alcohol or water)
COVERAGE:
3 coats are recommended for best results at 200-300 sq. ft. per gallon. Some porous substrates may require additional coats of Pennant Primer.
• Wet film thickness per coat: 5-8 mils
• Dry film thickness per coat: 2-3 mils
B. PENNANT TOPSIDE PAINT
APPLICATION:
Roller/Brush:Use a high quality synthetic bristle brush. 1/8”-3/16” nap foam rollers work well for lint free applications. For improved wetedge extension, reduce with water at 5-10% by volume.When applying Pennant Topside with roller and brush (roll and tip) be mindful of your working conditions. It’s advisable to work in an environment where the surface is protected from harsh environmental conditions. Surfaces which are heated by the sun, or that are exposed to ventilation/wind can set up too quickly, resulting in poor flow out.Apply Pennant Topside in thin even coats. Strive for a coverage at 3-4 mils per coat. (Wet film gauges are available at most paint stores.) Avoid overworking the paint, as this will result in lap marks. Larger areas may require additional helpers to maintain the paints wet edge.Allow the first coat to dry 4-6 hours before recoating. No sanding is required within 24 hours. After 24 hours, sand with 220-320 grit paper. Remove sanding dust by flushing the surface with plenty of fresh water. Dry with lint-free towel. Apply additional coats in the same manner. Clean application equipment with warm, soapy water. Brushes may be further cleaned with denatured alcohol.
Spray Application:
Note: Conventional cup guns and HVLP paint sprayers are not recommended for spraying Pennant Topside. Best results are achieved using pressure pot or airless spray setups.
Pressure Pot Spray:
Purge lines with denatured alcohol and follow with fresh water. Reduce Pennant Topside as necessary up to 25% by volume with water.When spraying Pennant Topside, the first coat should be applied ultra-thin, avoiding dry spray. This coat should look patching over the substrate. After a minimum of 15 minutes, apply a medium wet coat at 3-4 mils. Wait a minimum of 2 hours before applying the next coat.No sanding is required within 24 hours. After 24 hours, sand with 220-320 grit paper. Remove sanding dust by flushing the surface with plenty of fresh water. Dry with a lint-free towel. Apply additional coats in the same manner.
Suggestions for spraying:
• Pot pressure: 10-15 psi
• Atomization pressure: 30-50 psi
• Tip size: 1.0-1.2 mm
• Reduction: As needed up to 25% with water
Airless Spray:
Purge fluid lines with denatured alcohol and follow with fresh water. No thinning of the Pennant Topside is necessary with airless spray. If environmental conditions require, thin as necessary up to 5%.Hold the gun 16” from the surface and move quickly, applying an ultra-thin first coat. The surface should be patchy over the substrate. After 15 minutes, apply a medium wet coat at 3-4 mils. Wait a minimum of 2 hours before applying the next coat.No sanding is required within 24 hours. After 24 hours, sand with 220-320 grit paper. Remove sanding dust by flushing the surface with plenty of fresh water. Dry with lint-free towel. Apply additional coats in the same manner.
Suggestions for spraying:
• Pressure: 2,700-3,000 psi
• Hose: ¼” ID• Tip size: .009-.011
• Reduction: As needed up to 5% with water