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General Finishes Exterior 450 Topcoat & Outdoor Oil

When comparing General Finishes Outdoor Oil and Exterior 450 outdoor water-based topcoat , there are several key differences to consider:

Application and Protection

Outdoor Oil:

Exterior 450 Topcoat is a tintable clear-drying low VOC finish suitable for vertical exterior surfaces, such as fences, patio furniture, garage doors and entrance doors. It is not recommended as a deck finish.

GF's Exterior 450 Stains are low VOC premium quality, exterior pigmented water-based wood stains designed for outdoor projects with vertical surfaces such as garage doors, entrance doors and furniture.

Enduro Professional Water-Base Sanding Sealer is a clear undercoat with strong adhesion properties that forms an easily sandable foundation for your project. This fast-drying pre-catalyzed sealer is designed as a basecoat for General Finishes topcoats.

ANSWER:

It depends! Read on, or watch this GF video demonstration: http://youtu.be/torOAQy91q4

*Here are the main questions to ask yourself:

ANSWER

General Finishes NEW Exterior 450 White is a water-based exterior-rated pigmented coating for use on vertical surfaces such as outdoor kitchens, entry doors, garage doors, and windows.

We recommend waiting 5-6 days to let the finish cure a bit before putting outdoors. The finish will continue to harden for approximately 20-21 days.

Watch Exterior 450 Topcoat Product Overview video here

Most dyes, such as Trans Tint, can only be mixed with alcohol or water, not mineral spirits. A water-based finish, such as Exterior 450, cannot be used in conjunction with mineral spirits, even with an extended dry time. Solvents do not play well with water-based finishes.

Unfortunately, there is no fix for the peeling finish. You will have to sand the project down, apply an exterior stain and recoat with Exterior 450. Also, advise your customer that no finish will withstand the sun indefinitely. All exterior finishes need recoating and maintenance over time.

Outdoor Oil works by saturation. Once the wood is thoroughly oiled then wait 24-48 hours before applying oil base. Use an exterior oil varnish. Do not use a water-based finish such as Exterior 450 Topcoat.

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