But you certainly don t have to.
Can i use a spar varnish on interior floor.
Just use a good interior polyurethane.
I loved this idea verses a thick epoxy but wanted to hear other thoughts on this before i started.
Spar marine varnish is recommended for use on exterior wood fiberglass coated metal or painted surfaces.
Regular poly would be sufficient but since it is a window and will likely get a good deal of sun exposure its not a bad idea to go with a spar varnish for the added protection and durability.
3 use india spar varnish over naturally finished wood floors usually over an epoxy primer esp 155 or thicker epoxy like low v epoxy used on shipping container floors applied over the wood and under the varnish.
Many people like to use spar urethane because it gives them a little more flexibility in how they choose to use their furniture after it s been finished.
You can use the spar on the acacia pieces outside.
Regular old polyurethane is a short oil finish meaning it has a higher resin content.
This finish can also be used over stained surfaces that have thoroughly dried.
Higher resins are what you want for interior stuff scuff and chemical resistance.
The spar varnish is flexible to counter this problem.
Spar varnish was originally developed for use on out door wood where the moisture content can vary over time.
High oils are what you want for exterior stuff to allow for wood movement as mentioned above.
Use spar varnish only for exterior wood.
I installed a penny floor in a small area and have read that you can use the spar varnish to cover the pennies and make them water proof.
Better grades of spar varnish have substantially higher amounts of uv.
A standard interior varnish will probably be just fine.
Helmsman spar urethane forms a protective barrier against rain and moisture and its special oils allow the finish to expand and contract with the wood as.
You won t find any modern polyurethanes on these boats keep the urethanes for indoor use better still use india spar varnish on inside applications too.
It can be used on unfinished wood surfaces or previously finished surfaces.
Alkyd modified tung oil and phenolic resins are often used.
Oil based polyurethane is a slightly more durable option and it can also be used for both indoor and outdoor purposes.
It can be safely used both indoors and outdoors.
Helmsman spar urethane is a specially formulated protective clear finish for exterior or interior wood that is exposed to sunlight water or temperature changes.
The softer formula makes it able to expand and contract with the wood better which helps prevent the finish from cracking.
It contains uv blockers to reduce the sun s graying and fading effects.
It s too soft for interior applications.