Marine Spar Varnish Hardwood Deck

Overall polyurethane is generally used for indoor household projects like bookshelves and desks while varnish is popular for outdoor surfaces such as a deck.

Marine spar varnish hardwood deck.

Exterior finishes give protection for required maintenance due to moisture heat expansion contraction and ultraviolet light. A variant of varnish known as spar or marine varnish offers both uv protection and flexibility which makes it a favorite among diy woodworkers who can confidently apply it to soft woods like. There was originally a sealer applied but after 4 years it is flaking and pealing off. Slight ambering may be experienced when helmsman spar urethane is applied over light colored stains or wood surfaces.

Spar varnishes contain uv blockers that help prolong the life of the coating and while this kind of finish requires more maintenance than a penetrating oil it will look. Shop with confidence get free shipping to home or stores price match guarantee. I have covered porch with a new kiln dried treated lumber floor. On handrails and vertical surfaces i prefer to use a marine grade spar varnish with a matte finish such as pettit z spar captain s varnish or epifanes wood finish matte.

With over 250 store locations 100 000 products in stock and knowledgeable associates trust west marine for your boating sailing fishing or paddling needs. Any wooden pieces that are utilized under a covered deck or used outdoors or exposed to marine environment must have marine varnish applied. However when applying a finish to your interior hardwood floor polyurethane is the better option. Would marine spar varnish also be good for my cedar.

The third coat was supposed to be semigloss but painter mixed the cans and about a third of porch had different gloss. It has natural uv protecting properties. Both offer durability varied color options and protection against elements. The wood has been installed 5 months ago so a long time to get low moisture especially with kdat we applied a water based gray stain and two coats of helsman spar varnish.

Spar marine varnish does this. I have an outdoor porch and shower stall that is finished in cedar. I have used a marine spar varnish on my mahogany front doors and they still look great although they get very minimal direct sunlight. A spar varnish is specifically intended to protect the wood from being chalked or cracked off easily due to various weather conditions extreme ultraviolet exposure and other harsh elements.

It is semi thick tends to flow off brushes nicely imparts a warm amber color to surfaces and is easy to re apply over old varnish providing that the old varnish is not too badly degraded. Helmsman spar urethane is not recommended for large exterior surfaces where maintenance would be difficult such as decks and siding.