100% Polyurethane Interior Exterior Sealers

poly100Seal-Once™ 100% Poly Sealers provide superior UV stability compared to alkyd and acrylic coatings and are more durable and harder. Single component, water-based aliphatic polyurethane is environmentally friendly. Developed with our proprietary process, the quick drying formulas provide excellent adhesion, last longer and are easier to apply. Each is colorless and will not discolor wood, concrete or masonry. Choose from Concrete and Masonry or Log and Wood Siding sealers.


Recommended Usage
Log and Wood: Wood Siding, Log Homes, Wood Trim, Shakes, Outdoor Furniture, Shingles, Garage Doors, etc.

Concrete/Masonry: Concrete Pool Decks, Walkways, Driveways, Garage Floors, Pre-cast Pavers, Concrete Block, Stucco, Sandstone, Slate, Faux & Veneer Stone, Exposed Aggregate

  • Water based, Single Component
  • UV Stable
  • Non-flammable, non-combustible
  • Not Toxic / Low VOCs, Environmentally Safe
  • Non Yellowing, Very Low Maintenance
  • Apply to Vertical or Horizontal Surfaces
  • One or Two coats
  • Tintable Low Gloss or Satin Finishes
  • Easy Soap & Water Clean Up
  • Waterproofs all exterior wood and inhibits wood rot
  • Lasts twice as long and is twice as easy to apply
  • Available in Quarts, Gallons and Fives


  • See links to individual formulas for application specifications.