Best spar varnish. At the left a uv resistant varnish sold at marinas. Often the term spar is found in the name but this does not indicate any additional or special ingredient. Spar urethane is more long lasting especially when the wood product is a boat that is it does not require a frequent application but it may cost a lot in comparison to spar varnish which requires frequent application and is inexpensive. With these the varnish is dissolved in solvents so it begins to harden as soon as its applied.
This is a spar varnish with uv inhibitors built in. 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. The best of everything is used in this varnish to provide the best possible end. They also use tung oil rather than the less expensive linseed oil.
It provides a fair amount of scratch resistance. In the middle two common spar varnishes with claims to uv resistance sold at home centers. As you know boats are expensive these days so it is just right that you purchase the right products tool and equipment to ensure their safety and longevity. And at the right an indoor varnish with no claim to uv resistance.
The primary reason why boat owners try their best to invest in the best spar varnish is to provide utmost protection to their most cherished vessel. It is made with a combination of phenol and alkyd resins for superior protection. Spar varnish must be reapplied periodically as it will chip flake or chalk off over time. Testers applied dozens of exterior wood finishes 22 one part varnishes six two part varnishes 18 synthetics and satinsvarnish alternatives and eight teak oils and sealers to small panels of bare solid teak and set them out to face the rigors of south floridas weather.
Exterior varnish or urethane both finishes are technically varnishes builds a protective layer over the wood. Spar varnish protects the wood from water heat stain and solvent discoloration. Epifanes is considered by many to be the best varnish around. Two years later our search continues for the ideal wood finish relatively easy to apply easy to maintain lasts.
Exterior varnish or urethane. This gave rise to single part tung oil based varnish often referred to as spar varnish. The formulation of the product allows it to move with the wood throughout each season. You can apply a second coat of tung oil varnish before the first layer is totally hardened because the solvents will keep evaporating out of the underlying varnish layer.