How to Seal a Pole Barn Sliding Door

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A pole barn is a farming structure that is intended for storing hay and livestock. It is traditionally constructed of a roof extended over a series of wooden poles or posts. The advantage of a pole barn is it often features an easily accessible design, creating a larger capacity for storage items. Sealing the sliding door of a pole barn will provide it with a protective coating against all weather conditions, moisture and general wear.

Things You'll Need

  • 100-grit sanding sponge
  • Duster
  • Tack cloth
  • Wood stain
  • Natural-bristle brush
  • 280-grit sanding sponge
  • Polyurethane wood varnish
  • Painter's rag
  • Sand the wooden door with a 100-grit sanding sponge to evenly dull the surface. This prepares the wood for a sealant while smoothing out dirt and blemishes.

  • Dust the sliding door to remove the loose sawdust and grit from sanding. Wipe it with a tack cloth to ensure all final traces of the dust have been eliminated.

  • Stir a can of sanding sealer with the accompanying stirring stick. Use a natural-bristle brush to saturate the door with an even coat. Brush the sealer in the direction of the grain, then allow it to dry to the touch.

  • Smooth the sliding door with a 280-grit sanding sponge to create a uniform dullness. Apply a coat of polyurethane varnish to the wood using a painter's rag for even coverage. This preserves the wood's condition by providing a water-resistant, airtight finish.

  • Allow the first coat to stand overnight. Once it has dried completely, sand it with the 280-grit sponge and apply a second application of the varnish using the same procedure. Multiple coats of the finish retain moisture in the wood that will prevent drying and cracking.

References

  • Photo Credit old barn door latch image by Vaidas Bucys from Fotolia.com
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