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    4. SEM Guide Coat - 16oz Aerosol Can - Black
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    SEM Guide Coat - 16oz Aerosol Can - Black

    SEM Guide Coat - 16oz Aerosol Can - Black

    Find the low spots before the paint goes on. This black aerosol shows you low spots and sand scratches while you sand primer, so the repair comes out smooth.

    • Product Type
    Item #38203
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    $ 15.08 $ 15.08 (Tax excluded)
    $ 15.08 (Tax excluded)

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    Product Type: Paint

    Specifications

    BrandSEM
    Manufacturer part number38203
    UPC646786382031
    Product TypePaint
    Shipping weight1 lb
    CategorySanding & Abrasives

    Materials & Construction

    This is a black aerosol guide coat formulated to dry quickly and apply as a thin, sandable film over primer, allowing imperfections to become visible during the sanding process.

    Product Description

    Why you'll want it

    • See low spots before you paint. Spray it over primer, then sand. The black coat shows low spots and sand scratches, so you can fix them first.
    • Dries fast, so you keep moving. It is a quick-drying formula, so you can get to sanding without a long wait.
    • Sandpaper keeps cutting. The formula is designed to keep sandpaper from clogging, so your paper keeps working through the job.
    • Finish the prep before winter. Fall is a good time to finish primer and repair work over the winter, so your boat is ready when spring comes.

    What it is

    SEM Guide Coat is a black aerosol made by SEM, sold in a 16oz can. It is a thin, sandable film sprayed over primer. Technicians and DIYers use it to find low spots and sand scratches before paint goes on.

    How to use it

    1. Spray a thin coat of the black guide coat over the primed surface.
    2. Let it dry. It is a quick-drying coating.
    3. Sand the primer. The black coat shows low spots and sand scratches as you work.
    4. Repair the spots you find before you apply paint.

    What else the job needs

    Pairs well with sandpaper and the primer you are sanding, both named in the product description.

    Frequently Asked Questions