How to seal plywood for outdoors

Written by alisa herrscher
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How to seal plywood for outdoors
If your skin comes in contact with the sealer, wash the affected area immediately. (Jupiterimages/Photos.com/Getty Images)

Sealing outdoor plywood keeps it from rotting and peeling and reduces its chances of mould and mildew. A water-resistant sealer takes only a few minutes to apply but needs to dry for several days. Plan for this drying time. Plywood is a flexible wood material with a variety of uses, from simple household projects to major construction tasks.

Skill level:
Moderately Easy

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Things you need

  • Dust sheet
  • Latex gloves
  • Rag
  • Water-resistant sealer
  • Thick-bristled paintbrush

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Instructions

  1. 1

    Set the plywood on the dust sheet. Put on the gloves.

  2. 2

    Wipe any dust from the plywood with a rag.

  3. 3

    Dip the paintbrush in the sealer. Brush the sealer onto the plywood, starting with the edges and moving inward to the surface.

  4. 4

    Let the treated plywood dry for three days.

Tips and warnings

  • If you get any of the sealer on your skin, wash it off immediately.

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