Different oils are an option applying protective coats are also a preferred method and it is very easy to order products that include both stain and sealing compounds to waterproof your wood.
Best protection for outdoor wood furniture.
Since paint blocks uv rays better than a clear finish your best bet is to apply a quality exterior primer topped by a exterior latex or oil based paint.
Without protection however most wood will suffer.
Paint will reflect the uv radiation from the sun and actually protect the wood underneath instead of causing it problems with rot.
Just as a long sleeved shirt provides protection from sunburn multiple coats of an exterior finish help protect furniture from uv rays as well as moisture.
Fabric or woven ones are harder wearing although usually more expensive.
Choose the right finish.
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Whether it s pressure treated cedar cypress redwood or even a high end exotic hardwood the right care and maintenance will protect exterior wood and keep it in good shape for years.
The best option to treat untreated wood for outdoor use is through these sealing options.
The built in uv protection should keep your wood looking natural for many years as long as you keep up with the applications.
Before we get into the specifics of each type of product kevin keep in mind a few general principles that govern the performance of outdoor finishes.
You may be able to get a cover fit for purpose.
Marine varnish is a high solid finish was designed for marine and exterior surfaces such as boats outdoor furniture doors or any exterior surface where a strong water resistant finish is desired.
Paint is the best outdoor wood sealer but it completely spoils the look.
The best outdoor wood sealer will protect decks and furniture from rotting and fading.
It offers superior protection and durability over an oil finish.
Two inevitable ravages of nature water and the uv rays in sunshine damage wood and the finish protecting it.
Although you will be losing the original look of the wood the protection will be worth it.
The best way to protect the furniture long term is to cover it.
Staining and sealing outdoor wood is among the best ways to protect it from the elements.
What s the best route.
Exterior varnish or urethane both finishes are technically varnishes builds a protective layer over the wood.
Use marine varnish or outdoor oil.
Some of the most delightful furniture cabinetry and trim work are crafted from wood the world s oldest and best loved building material.
It contains ultraviolet light absorbers which offer excellent protection from the sun.
Similar to sealers for concrete and granite there are sealers for wood.
Exterior varnish or urethane.