Karnak 298 ALUMIN-R Finish Coats
298 ALUMIN-R FINISH COATS
298 ALUMIN-R FINISH COATS
298 Alumin-R is a Premium grade, single component, SBS rubber modified asphalt reflective coating specially formulated with aluminum pigment to be used as a reflective elastomeric coating over modified bitumen membranes, BUR asphalt roofs, spray polyurethane foam roofs, properly sloped concrete roofs and metal roofs.
INFORMATION
BRAND
Karnak
PRODUCT TYPE
Finish Coats
USES
298 Alumin-R is recommended as a coating for use on APP and SBS smooth or granule modified bitumen membranes, BUR roofs that have aged 90 days, spray polyurethane foam roofs, sloped concrete roofs, metal and mobile home roofs or any KARNAK emulsion roof coating that has been allowed to cure for 3-5 days.
THERMAL EMITTANCE
Initial 0.40 (3 year 0.45)
CRRC
Cool Roof Rating Council (CRRC)
SOLAR REFLECTANCE
Initial 0.68 (3 year 0.61)
SRI
Initial 69 (3 year 59)
DOWNLOAD
↓ Data Sheet
PERFORMANCE TEMP.RANGE
-40°F to 180°F
SOLIDS BY WEIGHT
47%
COLOR
Silver
PERMEABILITY
0.15 mg.per sq. cm.
CURE TIME
24 to 48 hrs.
CARE OF TOOLS
Tools may be cleaned with mineral spirits or similar solvent.
CAUTION / CARE OF TOOLS
Do not use near open flame. Avoid breathing solvent fumes and prolonged contact with skin. Do not take internally. If swallowed, do not induce vomiting. Call a physician immediately. Keep out of reach of children. Keep container covered when not in use. Do not thin. Dispose of in an environmentally safe manner. Cover air intakes during application and while drying.
TENSILE STRENGTH
300% D-412
WEIGHT PER GALLON
8.5 lbs.
COVERAGE RATE
Apply at 1.5 to 2 gallons per 100 sq. ft. (24-32 wet mils) in one application. DO NOT THIN. Over dry concrete surfaces apply one coat at the rate of 2 to 2.25 gallons per 100 sq. ft.
APPLICATION
298 Alumin-R can be applied by brush, roller or spray. If spray equipment is utilized, use a standard heavy duty spray pump. Equipment manufacturer should be consulted for more complete information.
ADVANTAGES
- Easy to apply
- 24 hour cure
- Excellent weather resistance
- Tough, flexible elastic, rubber-like film
- Good resistance to salts and alkalies
- Aluminum reflectant characteristics
- Excellent water and water vapor resistance
- Excellent adhesion over clean asphalt surfaces
ELONGATION
300% D-412
APPLICATION TEMPERATURE
40°F and Rising
