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S-1 Sealer

S-1 is a two-part Clear Penetrating Epoxy Sealer. Mixed at a simple 1:1 ratio S-1 is extremely effective at prolonging the service life of all woods, metals and fiberglass reinforced polyester.

Description

S-1 Sealer

S-1 Sealer is a marine two-part clear penetrating epoxy sealer. It can be applied with a brush, roller, or spray equipment.

Features

• Easy 1:1 mix ratio and an extended 24-hour pot life.

• Ready to use with no thinning required. It displays excellent wetting properties on most surfaces.

• A superb waterproof sealer/primer for wood, metal, concrete, and reinforced polyester.

• Completely waterproof and suitable for use above or below the waterline.

Properties


We make coatings that perform.

Coatings


Product Highlights

Coatings in Action


Coatings FAQ

We carry two epoxy sealers, both of which will perform equally as a sealer. The differences are found in application and physical properties.

1) Clear Coat is a low-viscosity, 100% solids, solvent-free epoxy sealer that cures to a clear gloss finish. It has a 2:1 (resin:hardener) mix ratio by volume and has a pot life of 60 minuets. Because it contains no solvents, foam rollers and brushes can be used.

2) S-1 Sealer is a great alternative for a penetrating epoxy sealer. It is a 50% solids, solvent-based epoxy system. This sealer has a 1:1 (resin:hardener) mix ratio by volume and offers a long pot life of 24 hours at 70°F. Because it contains solvents only solvent resistant rollers and brushes should be used.

The mode of application, porosity, and material of the substrate may be a good deciding factor in choosing the best sealer for your project. If the substrate is very porous, you might consider using the Clear Coat for its higher solids and faster film build. The S-1 Sealer may not be ideal for materials that are not compatible with strong solvents (e.g. EPS foam, thermoplastics). However, if you set up to safely spray apply epoxy, S-1 Sealer is the product to use. Note that spraying epoxy should only be done by professionals working with the proper personal protective equipment.

Penetration depth is difficult to estimate as it is dependent on many factors. The most important factors are the viscosity of the epoxy combined with the porosity, and the grain structure of the wood. While RotFix and S-1 are ultra-low viscosity materials, wood is not consistent. Because of these factors even among like species of wood, you can get extreme differences in penetration depth.

When using wood consolidators like RotFix Penetrating Epoxy, or S-1 Sealer, we have found that the best results are achieved by removing as much soft/rotted wood as possible, then applying enough product/coats to achieve a film of epoxy on the surface.

Please refer to our EndRot Application Guide for detailed instructions.

Wearing an organic vapor respirator is necessary in the following situations:

Spraying Pennant Primer,

Spraying Pennant Topside Paint,

Spraying, brushing, or rolling S-1 Penetrating Sealer,

Spraying, brushing, or rolling Marine Spar Varnish,

Most of our products do not contain hazardous volatile materials, so wearing a vapor respirator is not necessary. However, when sanding any of our products when cured, it is highly recommended you wear a dust mask or respirator, as any airborne dust particles can be irritating.