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KNIGHTSHIELD KS-5900 is a single component, plasticizer free, water-based acrylic bleed block roofing primer.
Data Sheets
Product Data Sheet
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KS-5900
Acrylic Bleed Block Roofing Primer
DESCRIPTION
KNIGHTSHIELD KS-5900 is a single component, plasticizer free, water-based acrylic bleed block roofing primer.
USES
KNIGHTSHIELD KS-5900 is intended to be applied over asphaltic roofs or asphaltic detail areas prior to the application of a reflective KNIGHSHIELD silicone roof coating.
FEATURES/BENEFITS
- Low VOC content
- Water cleanup
- Dries / cures at room temperature
- Provides excellent adhesion to asphaltic surfaces
PACKAGING
5 Gal. (18.9 L) Pails
SHELF LIFE
Twelve months from date of manufacture in the original, unopened container stored at 80°F or below under shaded conditions away from sources of heat or ignition.
APPLICATION
Surface Preparation … All surfaces to be coated must be clean, dry and free of contaminants. It may be necessary to use a cleaner and/or power wash the substrate prior to application of KNIGHTSHIELD KS-5900 to enhance adhesion.
Mixing … KNIGHTSHIELD KS-5900 is supplied as a single component product. If a clear layer is seen at the surface upon opening the container, mix until uniform.
Application Method … Apply by spray, roller or brush. Standard application rate is 16 wet mils or 1 gal / 100 sq feet but application rate may vary depending on type of substrate.
Brush – Synthetic Filament
Roller – 1¼” Nap
Spray – 3000 psi at 2.5-3.0 gallons / minute, Tip 0.17 to 0.29, 40-50° fan angle, 12-inch wand extension, 3/8″ pressure line
TECHNICAL DATA
| Volume Solids | 50% +/- 2% |
| Application Temperature Range | 35° – 120° F (1.7° – 49° C) |
| Perms by ASTM 1653 | 3 |
| Topcoat Window | Next Day |
| Rain Ready >70°F, RH <70% | 3-4 hrs |
| VOC Content | <50 grams/liter |
Available Colors
Ivory
Clean Up … With water. Soap and water may be required if partially dried.
LIMITATIONS/PRECAUTIONS
Protect from freezing. Do not apply over wet surfaces.
Do not apply if temperature is below 35° F (1.7° C) or if the temperature will fall to within 5 degrees of the dewpoint within 4 hours of the application, or if there is a threat of rain within 4 hours of the application.
Do not heat container or store at temperatures below 35° F (1.7° C). Be sure the lid is tight and the pail is secured when transporting. Do not allow pail to tumble as this may loosen the lid and allow leakage or spillage to occur.
This product is intended for use only by professional applicators.
2023-05
Silicone Roofing vs. Roof Replacement: The Smart-Choice Explained
Building owners are often faced with a critical question: should they opt for a complete roof replacement, or consider a more cost-effective, less disruptive, and sustainable alternative, such as silicone roof coatings? But how do you know what is the best option for you? This guide will provide valuable insights into why liquid-applied roof coating might be a more cost-effective and sustainable option compared to traditional roof replacement, as well as discuss all the liquid-applied options and how to find out if liquid-applied will work for you…
