Exterior oil exterior varnish and an epoxy sealer with an exterior varnish topcoat.
Best way to finish outdoor furniture.
The best finishes effectively perform this function and last a long time.
If he insists on applying a finish maybe for looks or to make the surface smoother a boat varnish from a marina would be best because it would hold up better against the sun s uv light.
Of the three clear exterior finishes exterior oil is by far the simplest finish to apply.
Once damaged wood fibers separate from the underlying wood taking the finish with them.
The last two are usually called deck stains and the opaque version looks like very low luster paint.
Application ease and service life are the two major differences between these finishes.
Breaking a sharp edge means to lightly roll or curve the edge so it is not sharp.
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.
Wood or metal outdoor furniture requires a protective finish to prevent damage from moisture and ultraviolet light or uv.
Yes you can finish furniture with deck coating which comes in clear semitransparent colors and opaque colors.
Best finishes for outdoors.
Sand to 100 grit.
They can be bought from amazon.
For a natural wood look apply multiple coats of exterior spar varnish that contains added uv blockers.
Nothing blocks uv rays better than pigments.
Oils like teak oil boiled linseed oil and tung oil form a majority of the oils that woodworkers use.
Steps to an excellent finish are.
There are three basic clear finishes for outdoor furniture.
Be sure to break sharp edges.
Each oil has subtle differences that make them a preferred choice.
These finishes bring out the natural texture of wood.
Dyes impart some color to the finish but do little to block uv rays.
Common brands include interlux epifanes pettit and z spar.
Lightly sand the bare wood with 100 grit sandpaper.
There are two very easy finishes to apply to outdoor wooden furniture such as swings and picnic tables.
They are usually fairly inexpensive and easy to apply but wear more quickly than varnishes.
Film finishes especially better quality ones that flex after curing best protect wood from moisture.