Questions and Answers for Henry 287 Solar-Flex White Acrylic Elastomeric Reflective Roof Coating 4.75 gal. (16-Piece)

A:  Nathan, Henry 287 Solar-Flex will cure in about 12 to 24 hours normally. However, the cure time can vary depending on the temperature and the humidity. Since it is a water based coating the higher the humidity the longer it will take to cure. Do not apply if the temperature is expected to dip below 50 degrees, (day or night) for 24 hours or if rain is expected within 12 hours.

A:  John, the coverage rate for Henry 287 Solar-Flex is 100 square feet per gallon. You would get 475 square feet per 4.75 gallon bucket. Coverage will vary a bit depending on how rough the surface is and how dried out it is. If this is the first time coating the roof you will need to apply two coats.

A:  Doug, none of our Henry roof coatings are designed to be applied directly to wood. Henry 287 should only be applied to normal roofing materials such as metal roofs, rolled roofs, recoating roofs or roofs coated with Henry 107 Asphalt Emulsion, acrylic or aluminum coatings.

A:  Walter, Henry 287 Solar-Flex is not a rubberized roof sealant but is an acrylic roof coating that is primarily designed to reflect the sun's heat and damaging UV rays. For RVs the only coating we recommend is Henry 887 TropiCool 100% Silicone Roof Coating. Henry 887 is a moisture cure product that forms a chemical bond to the roof surface that is much stronger than the normal physical bond that acrylic coatings form. Henry 887 is waterproof, applied in only one coat and has a lifetime warranty.

A:  Henry 287 Solar-Flex Acrylic White Reflective Roof Coating has a published coverage rate of 100 square feet per gallon. Coverage can vary a bit depending on how rough or how dried out the surface is. For first time applications you will need to apply two coats.

A:  Chris, Henry 287 is an acrylic Elastomeric coating product that normally doesn't need a primer. If you need to apply a primer you can coat the roof with Henry 107 Asphalt Emulsion and then apply two coats of an acrylic elastomeric coating. Just give the Henry 107 3 to 7 drying days prior to coating with an acrylic. The easiest method is to coat the roof with Henry 887 TropiCool 100% Silicone roof coating since you only have to apply one coat, it is waterproof and it has a lifetime warranty.

A:  Chris, Henry 287 is an acrylic Elastomeric coating product that normally doesn't need a primer. If you need to apply a primer you can coat the roof with Henry 107 Asphalt Emulsion and then apply two coats of an acrylic elastomeric coating. Just give the Henry 107 3 to 7 drying days prior to coating with an acrylic. The easiest method is to coat the roof with Henry 887 TropiCool 100% Silicone roof coating since you only have to apply one coat, it is waterproof and it has a lifetime warranty.

A:  MarP, just clean the roof with a light pressure wash or use a hose with a strong nozzle to wash off the dust and dirt. If you have areas that need more cleaning you can use TSP or TSP substitute with a soft bristle brush. Just make sure that you rinse the roof well. Once it is dry you will need to apply two coats of Henry 287.

A:  John, the coverage rate of Henry 287 Solar-Flex is usually 500 square feet per 4.75 gallon bucket. You must apply two coats if this is the first time coating the roof. Coverage may vary a little depending on how rough the roof surface is or how dry it is. You will need approximately 7 buckets for your roof.

A:  Willie, Henry 287 Solar-Flex can be applied to an aged metal roof. Clean the roof with a light pressure wash, let it dry completely and then apply the coating.