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General Finishes Exterior 450 White Water Based Topcoat

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  • $ 49.95
  • Regular price $ 45


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. Contains UV absorbers to protect the film integrity, and improved vertical sag resistance when spraying. Exterior 450 White is a self-sealing flexible finish that moves with exterior conditions with superior adhesion over multiple substrates, such as PVC, exterior MDF, composite material and fiberglass. It’s tintable to light or pastel colors with zero VOC colorants.

Specifications

Type Urethane/Acrylic Blend
Base Water
Interior / exterior Exterior only
Sheens Flat (10), Satin (30), Semi-Gloss (55)
Color White
Apply with Brush: Synthetic or foam brush, Roll: Short nap or foam, Spray
Spray tip HVLP 1.1mm-1.5mm
Coats 2 - 3 coats
Dry to touch 30+ minutes
Recoat after 2+ hours
Light use after 7-10 days
Full cure 21 days
Coverage 450 sq ft (41.81 m²) per Gallon
Durability High
Over an existing finish Yes
Tintable Yes
VOC All sheens under 140 g/L.

Questions & answers

What is Exterior 450 White for?

Outdoor wood furniture and projects with vertical surfaces, such as garage or entry doors. It is not meant for decks.

How do I apply it?

Brush with a synthetic or foam brush, roll with a short-nap or foam roller, or spray (an HVLP 1.1 mm to 1.5 mm tip is recommended).

Which sheens are there?

Flat, Satin and Semi-Gloss.

How long between coats, and when can I use it?

Dry to the touch in 30+ minutes, ready to recoat after 2+ hours, light use after 7-10 days, and fully cured at 21 days. General Finishes calls for 2-3 coats.

Can it be tinted, and does it need a clear coat?

Yes, it can be tinted. It is self-sealing, so no separate topcoat is needed, and it can go over existing finishes.

Specifications from General Finishes.