Exterior Topcoats

ALEXSEAL manufacturers different exterior topcoats for a variety of applications. Please read each section thoroughly and refer to the appropriate technical data sheets, as application recommendations for these different topcoats may vary.

    ALEXSEAL Premium Topcoat 501

    ALEXSEAL Premium Topcoat 501 is a two component, polyurethane-based coating, designed for exterior and interior applications. ALEXSEAL Premium Topcoat 501 has a high-gloss, “wet look” which provides superior distinction of image. This product has been specifically developed for the marine environment. The product’s special characteristics ensure a reduction of cleaning and maintenance, while at the same time preserving the vessel’s appearance and value. After curing, ALEXSEAL Premium Topcoat 501 offers excellent gloss and color stability properties, even under extreme climatic conditions. Additionally, the material is highly resistant to UV rays, saltwater, abrasion and fuel.

    ALEXSEAL Premium Topcoat 501 is used as an extremely high-gloss topcoat in both spray or brush applications. It can be used internally or externally in areas not subject to permanent water immersion. Premium Topcoat 501 is available in standard factory packaged colors and, upon request, in custom colors. Please refer to a current ALEXSEAL Color Card (available separately upon request) or the “Product Overview” starting on page xx for colors and part numbers.

    ALEXSEAL Topcoat 501 Roll Additive
    ALEXSEAL A5018 Topcoat 501 Roll Additive is an auxiliary product for ALEXSEAL 501 Topcoat. It improves the levelling of the surface and helps to eliminate air bubbles from the paint film during the application by brush or roller.

    ALEXSEAL A5018 Topcoat 501 Roll Additive is added to the ready mixed ALEXSEAL 501 Topcoat before applying the material by brush or roller. Add 1 cap or 10ml of A5018 – Topcoat 501 Roll Additive per ready mixed quart or liter (1% to the ready to paint mixture). Additional quantities of A5018 Roll Additive for 501 can disturb the surface quality of the paint and are not recommended.

      ALEXSEAL Acrylic Topcoat X

      ALEXSEAL Acrylic Topcoat X is a two-component topcoat combining the latest acrylic and polyester technology. Designed for the yachting industry, the ALEXSEAL Acrylic Topcoat X offers a very high gloss and exceptional depth of image. The product is easy to apply and shows a very good leveling. After a short curing period, ALEXSEAL Acrylic Topcoat X can easily be sanded and polished. It offers excellent color stability values and additional resistance to UV rays, salt water, abrasion and fuel.

      Note
      ALEXSEAL Topcoats dry with an exceptionally high-gloss finish. For applications where gloss is not desired or needs to be reduced, use ALEXSEAL Flattening Additive.

      Reducer type and content affects the overall drying time of the coating. ALEXSEAL offers five different reducers to accommodate a variety of application conditions. Refer to the following chart to determine which reducer is best suited for your application. Refer to the appropriate TDS in “Technical Data Sheets” starting on page xx for each product’s specific suitability, mixing and application instructions.

        ALEXSEAL Non Skid

        ALEXSEAL Non Skid is specifically developed to achieve non-skid textures. Although not an actual finish like other ALEXSEAL Topcoats, ALEXSEAL Non Skid is a transparent additive that can be sprayed or rolled onto deck surfaces or other areas that are apt to pose a slipping hazard if left untreated. Non Skid can be added to any of ALEXSEAL’s topcoat products.

        Procedure For Application of ALEXSEAL Non Skid

        1. Clean and prime the area to be painted per the preparation instructions for topcoat.
        2. Apply ALEXSEAL Non Skid with a brush, roller or sprinkling technique. Refer to the Non Skid TDS within “Technical Data Sheets” starting on page xx, as well as the TDS for the topcoat you are adding the Non Skid compound to.

          ALEXSEAL Flattening Additive

          ALEXSEAL Flattening Additive is a matting paste for ALEXSEAL Topcoat. This product varies the degree of gloss without reducing the mechanical properties of the topcoat. Flattening Additive is ideal to use when a lower gloss level is desired to minimize glare and surface defects. ALEXSEAL Flattening Additive may be added to any ALEXSEAL Topcoat color base. This product is designed for spray application. Brush application may result in an uneven flat, or semi-gloss finish.

          Procedure For Application of ALEXSEAL Flattening Additive

          1. Prepare the surface in the same fashion as for ALEXSEAL Topcoat.
          2. Mix Flattening Additive with topcoat using the quantities and methods described in the appropriate “Technical Data Sheets”.

          Note
          ALEXSEAL Flattening Additive is NOT intended to be applied with a brush or roller.

            ALEXSEAL Metallic Base Coat & Clear Gloss

            The ALEXSEAL M Series is a two-step system consisting of a Metallic Base Coat followed by a final Clear application. ALEXSEAL Metallic Base Coat provides good inter-coat adhesion, and reduces the possibility of mottling or unevenness in the finish.

            The ALEXSEAL Clear Gloss for Metallics is a two-component aliphatic polyester polyurethane which is used for the final finish. This gives the ALEXSEAL Metallic System unsurpassed scratch and stain resistance while preventing discoloration of the Clear Gloss. It can be used internally or externally on areas of the yacht which are not subject to permanent water immersion. ALEXSEAL Metallic Base Coat is available in standard factory-packaged colors and, upon request, in custom colors. Please refer to a current ALEXSEAL Metallic Color Card (available separately upon request) or the “Product Overview” for colors and part numbers.

            Important
            DO NOT attempt to apply ALEXSEAL Metallic Base Coat if the relative humidity is above 80%. Surface temperature, air flow, direct or nondirect sunlight, quantity of reducer, and film thickness will effect times during application. During the drying phase the minimum temperature should be 15°C (60°F). Ideal temperature: 25°C (77°F).

            Important
            DO NOT break through the Clear Gloss when sanding, as this can affect or change the color of the metallic base coat.

              ALEXSEAL HS Base Coat & Clear Coat System

              ALEXSEAL HS Base Coat is a fast-drying high-solid (HS) two component polyurethane base coat with excellent hiding power, especially designed for efficient applications. Used in combination with an ALEXSEAL Clear Coat, the material shows excellent chemical and mechanical resistance and is extremely glossy and color stable.

              ALEXSEAL HS Base Coat / Clear Coat system can be used internally or externally on areas of the yacht which are not subject to permanent water immersion.  The product is available in standard factory packaged colors. Refer to the color card or product overview for part numbers.

              ALEXSEAL HS Base Coat / Clear Coat system can be used internally or externally on areas of the yacht which are not subject to permanent water immersion. ALEXSEAL HS Base Coat is available in standard factory packaged colors. Refer to the color card or product overview for part numbers.

              This system needs to be applied in 3 steps. Application by spray only.

                ALEXSEAL Flat Finish 555

                ALEXSEAL Flat Finish 555 is a two-component polyurethane based material flat topcoat which is easy to apply to a uniform layer. It is used for coating for example the ceiling panels in exterior areas. It has good adhesion properties on a variety of substrates, combined with high resistance values and is suitable for many areas of application.

                ALEXSEAL Flat Finish 555 is used to finish panels of all kind of materials. It is weather resistant and shows a uniform flat finish.

                ALEXSEAL Flat Finish can be directly applied to existing paint surfaces of 442 Primer. A light sanding with P240-320 is recommended.

                The product is available in different RAL colors:

                • F9003 Signal White (near RAL 9003)
                • F9010 Pure White (near RAL 9010)
                • F9016 Traffic White (near RAL 9016)
                • F7035 Light Gray (near RAL 7035)
                • F9005 Jet Black (near RAL 9005)