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.
As with any wood, fir is susceptible to changes in humidity and cannot be made truly waterproof without being chemically treated, or coated with a waterproof coating. The most common lumber fir is the Douglas fir.
Similarly, what is the best wood for outdoor use? 9 Wood Species Best for Outdoor Projects
- Acacia. Acacia is a thick, strong hardwood with high oil content.
- Black Locust. Black Locust is one of the strongest and stiffest domestic woods.
- Cedar. Cedar is soft, light, and easy to work with.
- Cypress. Cypress wood is rot and insect resistant attributable to its natural oils.
Likewise, how do I protect my Douglas fir outside?
How to Seal a Douglas Fir for Exterior Use
- 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.
Does wood need to be treated for outdoor use?
The only way to properly use untreated wood of any type outside is with the addition of water-repellent preservatives, sealer or paint that contain UV protection. Over-the-counter wood preservatives are available in clear versions, or with stain containing pigment or dye to color the wood.
Is Douglas fir better than cedar?
Douglas fir, though, is more resistant to decay, which makes it much better outdoors. Douglas fir is more expensive than ordinary pine, but is usually fairly comparable to cedar.
Is Douglas Fir naturally rot resistant?
Rot Resistance: Douglas-Fir heartwood is rated to be moderately durable in regard to decay, but is susceptible to insect attack. Workability: Typically machines well, but has a moderate blunting effect on cutters.
Is Douglas Fir good wood?
Douglas fir falls in the gymnosperm, or softwood category. So is it a hardwood? Technically no. However, if what you’re really asking is whether or not Douglas fir is a tough, strong building material, the answer is yes—it’s widely known as a very durable wood.
What is Douglas fir wood good for?
Structurally, it is used in the form of lumber, timbers, pilings and plywood. Douglas-fir is also used to produce a wide variety of products including general millwork, flooring, furniture, cabinets and veneer. This species has excellent strength properties and is well known for its workability.
What is the most weather resistant wood?
Naturally resistant woods that are commercially available include black locust (Robinia pseudoacacia), teak (Tectona grandis), ipe (Tabebuia spp.), California redwood (Sequoia sempervirens) and bald cypress (Taxodium distichum). These have the highest resistance to rot over time.
How hard is Douglas fir?
Douglas fir is moderately strong and hard for a softwood, rating 4 on a scale of 1 to 4. This wood is worth mentioning because it is very common at your local home center and it’s so inexpensive you’ll probably be tempted to make something with it.
How do you seal pine wood for outdoor use?
Apply a coat of polyurethane over the sealant. Let the sealant dry for 24 hours, then dip a paintbrush in undiluted polyurethane. Brush the polyurethane over the object in long, thin strokes, catching any drips with your brush as you coat the surface.
How long will pine last outside?
10 to 15 years
How do you waterproof pine for outdoor use?
How to Waterproof Pine Purchase an oil-based primer or stain and water sealant at your local hardware store. Paint one or two layers of water sealant onto each pine piece. Brush over each piece with the oil-based primer or stain ensuring that the entire surface is covered. Reassemble the pieces of pine, if necessary.
Can I stain Douglas fir?
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.
Can you paint Douglas fir?
Douglas fir can be sanded very smooth and it takes paint extremely well. You can apply semi-gloss paint (over primer, of course), or even high-gloss to achieve a sleek, smooth look. You may have to search out a specialty lumber dealer to find Douglas fir, since it’s not carried in most home centers.
How long will cedar last outside?
Average Life of a Cedar Fence If it’s treated, a cedar fence may last up to 40 years. Cedar consistently outlasts other wood species.
Is White Fir rot resistant?
Rot Resistance: Rated as non-durable to perishable regarding decay resistance, with little resistance to insect attacks. Workability: Generally easy to work with both hand and machine tools, though some drying defects may be present or occur while drying the wood. Glues, stains, and finishes well.
How do you prepare wood for outdoor use?
There are three surefire ways to waterproof your wood for years to come. Use linseed or Tung oil to create a beautiful and protective hand-rubbed finish. Seal the wood with coating of polyurethane, varnish, or lacquer. Finish and waterproof wood simultaneously with a stain-sealant combo.