How to Seal a Douglas Fir for Exterior Use

  1. Sand the surface of the wood smooth with 180 grit sandpaper. Follow the grain of the wood when sanding.
  2. Apply a thin coat of a water-based latex exterior wood sealer to the Douglas fir with a nylon paintbrush.
  3. Let the sealer dry according to the package directions.

Is Douglas fir wood weather resistant?

Weather Resistance Fir is a type of species among softwoods that stays dimensionally stable without requiring any drying or another remedy. In a way, this highly valuable atmospheric moisture management property makes this lumber waterproof, although it is capable of holding water.

How long does Douglas fir last outside?

It’s also naturally resistant to rot, decay, and insects. According to research done by the University of California’s Division of Agriculture and Natural Resources, completely untreated Douglas fir will last 10-15 years in outdoor uses.

What is the best finish for Douglas fir?

For a quick and easy finish that you can do in a day and will never mess up, I usually recommend Danish Oil (watco “natural” or mix your own). For a finish that’s more durable, more work, but still pretty hard to mess up, try a wiping varnish (arm-r-seal, minwax wiping poly, or mix your own).

What stain looks best on Douglas fir?

Many different types of stain are on the market, but Douglas fir tends to take a gel stain best. The thickness of the gel slows its absorption a bit, allowing you to spread it more evenly before it sinks in, as compared with a thinner liquid stain.

Does Douglas fir stain well?

Douglas fir is light-amber in color with a somewhat benign character if not properly stained to bring out the minimal grain patterns. Douglas fir can be beautiful in the right hands using the right stain. Part of the key is to open pores with sandpaper to allow stain penetration.

Why is Douglas fir good for outdoor use?

Turns out Douglas fir is more than just a good-looking wood. Its durability and resistance to rot and insects make it a favorite choice for outdoor projects like porch decking as well. It’s also naturally resistant to rot, decay, and insects. Click to see full answer. Also, do you need to treat Douglas fir?

What kind of Sealer to use on Douglas fir?

Sand the surface of the wood smooth with 180 grit sandpaper. Follow the grain of the wood when sanding. Apply a thin coat of a water-based latex exterior wood sealer to the Douglas fir with a nylon paintbrush. Let the sealer dry according to the package directions.

How to stain Douglas fir with latex paint?

1 Sand the surface of the wood smooth with 180 grit sandpaper. Follow the grain of the wood when sanding. 2 Apply a thin coat of a water-based latex exterior wood sealer to the Douglas fir with a nylon paintbrush. 3 Let the sealer dry according to the package directions.

What should I paint my Douglas fir fence with?

If you decide to build a fence with Douglas fir to save money, protect the wood by painting it every few years with a high-pigment paint containing anti-rot agents. Chris Deziel has a bachelor’s degree in physics and a master’s degree in humanities.