OSI® EP-1000 Enhanced Polyurethane Sealant
OSI Products / OSI® EP-1000 Enhanced Polyurethane Sealant
OSI® EP-1000 Enhanced Polyurethane Sealant OSI® EP-1000 is an Enhanced Polyurethane exterior sealant that features the exclusive FLEXTEC technology. It is designed to resist the unslightly effects of prolonged UV exposure that traditional polyurethane sealants experience. The innovative fast dry formula is low odor, paintable and provides a strong, flexible bond on a wide variety of building materials in all weather conditions. EP-1000 is easy to tool and is non-yellowing and crack resistant.
- Designed for window, door, siding and trim
- Permanently flexible
- Great for indoor or outdoor applications
- Will not bubble or lose adhesion over time
- Will not yellow, crack or split over time
- Long-lasting, professional finish
- Can be applied to damp surfaces
- 10 fl oz (295 ml) cartridges
- Various
Mineral spirits or paint thinner
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Recommended for
OSI EP-1000 Enhances Polyurethane Sealant is recommendedfor us on windows, doors and vinyl siding. Plus, it can be used on fiber cement siding, cedar and other porous siding, concrete, masonry,steel, OSB, plywood, glass, aluminum, many plastics and composites for both interior and exterior applications.
Not Recommended for
- Use as a glazing sealant
- Natural stones and marble
- Applications requiring temperature resistance greater than 176°F (80°C) or below -22°F (-40°C)
- Copper and brass
- Bituminous substrates or on building materials which may bleed oils, plasticizers or solvents which could attack the sealant
- Use on joints with water pressure or continuous water immersion (i.e. swimming pools or aquariums). Should not be used to seal bathtubs or sinks
- Polypropylene, polyethylene, polytetrafluoroethylene and acrylic



