Conklin Affinity™ - Polyurethane Roof Coating
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Roofing Contractors


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Conklin Affinity™ – Polyurethane Roof Coating

Product Description

Conklin Affinity™ is a polyurethane roof coating with a highly reflective and bright white finish. It is a one-coat waterproofing system used in combination with systems for:

  • Metal Roofs
  • Conklin’s Fabric Reinforced System
  • Approved Membranes
  • Spray Polyurethane Foam (SPF)

Contractors are also known to use this product to seal gutters.

Products that work in combination with Affinity™ are:

  • Prime Time™
  • Tack Coat
  • Conklin Encase Metal Primer

Coverage Rate

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  • Apply 1.1 gallons of Affinity™ over a roof area of 100 square feet (sq. ft.). This rate includes a loss allowance of 15% for application and 10% for surface texture
  • If the roofing substrate is irregular, use extra Affinity™
  • When using granules, embed them using a second top coat at the rate of:
    • 0 gallon per 100 sq. ft. for Roofing Granules
    • 50 pounds (lbs) per 100 sq. ft. for Quartz Granules


  • Ensure that the personnel have read and understood the safety data sheet
  • When spraying the coating, make the personnel use a NIOSH-approved mist / dust mask
  • Make sure the personnel are also wearing other, necessary personal protective equipment (PPE) because the product:
    • Contains chemicals that the State of California lists as ones that may cause birth defects, cancer, and reproductive disorders
    • Is harmful when swallowed
    • Can cause irritation for the skin, eyes, and the respiratory system
  • Always mix Affinity™ with color packet completely before use
  • Apply on a surface that is:
    • Dry, clean, solid, and structurally sound
    • Smooth and finished
    • Clean and free of substances that prevent good adhesion such as moisture, grease, contaminants, dirt, wax, and chips of roofing or other material
  • When applying on certain surfaces, you may need to install / establish proper drains, positive slope to drain, roofing vents, flashings, vapor retarders, and expansion joints
  • Do not apply the product on a SPF foam surfaces with the following textures:
    • Tree bark
    • Verge popcorn
    • Popcorn
  • Temperature and Moisture considerations during application:
    • Ambient temperature must be between 400F and 1000F
    • Relative humidity must be less than 80%
    • Surface temperature must be at least 50F above dew point but less than 1200F
    • Do not apply during inclement weather
  • The surface for application must have:
    • Less than 36 sq. ft. of water in any area with a depth of ¼-inch and more at a time of 48 hours after rains
    • Less than 5% of the total area under bird baths (i.e. small, irrelevant amounts of water on roofs that evaporates quickly)
    • Arrangements to drain away water quickly
  • Dispose the coating in a manner that adheres to local, state, and federal regulations for disposal of hazardous waste

Storage Requirements

Storage guidelines for Affinity™:

  • Store the product at a cool place that is:
  • Above 400F
  • Protected from freezing
  • Out of reach of children
  • Close containers tightly when not using the coating

Commercial Roofing Companies Supported by the Group

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