Q: Can I put a satin polyurethane over semi-gloss finish, on a hardwood floor? A: Yes. As with all coatings, the finish will need to be thoroughly buffed to gain adhesion.Herein, can you gloss polyurethane over semi gloss?
Can I put high gloss polyurethane right over semi gloss? the answer is in general yes, but unless the gloss is less than 4 hours old, it will need a light sanding to scratch the surface so the next coat will bond.
Also Know, can you put matte polyurethane over gloss polyurethane? Polyurethane isn't exactly the most sophisticated wood finish, and it doesn't rub out as well as lacquer or shellac. If you want to transform the sheen from high gloss to satin or matte, then using a hardening oil such as tung oil is a good way to do it.
Similarly one may ask, should I use satin or gloss polyurethane?
Polyurethane is applied to floors to give them a hard wearing and tough topcoat, as well as to furniture to give it a lustrous, shiny finish. The main difference in a satin vs a gloss finish is the amount of shine. Satin urethanes have more flattening paste to take the luster out, so you end up with less sheen.
Can you mix satin and gloss polyurethane?
Yes mixing the two sheen finishes will work that way but not exactly in-between. The satin will dominate. To get about half way it would probably be 1 part satin to 2 parts semi-gloss.
What is the difference between satin and semi gloss polyurethane?
The amount of luster and shine is the biggest difference between satin and semigloss urethanes. Just as both are types of urethane, both actually begin as high-gloss finishes. Satin urethanes have more flattening paste, and hence, less sheen, while semigloss urethanes have less flattening paste.Can I put satin finish over gloss?
Q: Can I put a satin polyurethane over semi-gloss finish, on a hardwood floor? A: Yes. As with all coatings, the finish will need to be thoroughly buffed to gain adhesion.How many coats of polyurethane should I apply?
There needs to be 3 coats of Polyurethane applied, especially if you are using an oil-based finish. The first coat should be mixed with mineral spirits. This acts as a sealer and provides a barrier between the wood and the oil finish you are using. A bristle brush is needed to apply the coats.Is clear satin polyurethane shiny?
Currently satin finish is in high demand and recommended most by professionals today. A “Satin” finish has a medium to low sheen/luster and hides dirt and scratches better than a gloss or high gloss polyurethane finish.Can I put satin paint over semi gloss?
If the semi-gloss paint on the walls is oil-based, then apply an oil-based satin paint. If it's otherwise latex semi-gloss paint on the wall, then use a latex satin paint. Although your semi-glossy wall now has texture, when painted it can still give off a considerable shine. The solution to this is applying a primer.How do you finish the final coat of polyurethane?
Sand lightly with 240-grit sandpaper between coats, then let the last coat dry for at least 24 hours. This is standard practice with any wood finishing job, and is nothing out of the ordinary. That said, sanding bare wood beforehand to create a smooth foundation is key.How do you polish the final coat of polyurethane?
Apply only one thin coat. Then, remove any dust nibs with 1,500-grit sandpaper or a piece of brown paper bag. Finally, using a soft cotton rag or polishing pad, buff the finish to a high shine using automotive paste wax, photo below, which has fine abrasives that polish the finish even further.Should I sand after the last coat of polyurethane?
You shouldn't have to sand the final coat. You apply the final coat, let it dry and you're done. When you sand and rub out the final finish you take off most of the surface which contains the satin. If you are going to do that you might as well use a gloss finish.Does polyurethane make wood waterproof?
No, polyurethane does not make hardwood waterproof, but it does make wood water resistant. Polyurethane gives hardwood its protection. It repels water and prevents water absorption, but it never fully blocks it so it will never make it 100% waterproof. Polyurethane also protects wood for scratches and discoloration.Can I sand polyurethane off?
Sand the surface to remove polyurethane. You can simply use fine steel wool. You can also use 150-grit sandpaper. The sandpaper will smooth it out and take off the last of the polyurethane.Which is better oil or water based polyurethane?
Oil based polyurethane looks better. It has a more depth - both in color and shine and it looks the way we expect hardwood to look. Water based polyurethane has both a duller color and a duller finish. The water based polyurethane (left) is lighter and duller than the oil based poly on the right.Can you pour on polyurethane?
To seal the wood before top coating, thin your oil-based polyurethane to one part mineral spirits and two parts polyurethane (first, gently stir the contents in the can). Pour the products into a glass jar and gently stir the mixture with a flat stir stick. NOTE: Never shake a can of polyurethane!Can you use steel wool on polyurethane finish?
Using steel wool or sand paper allows you to create a uniform surface for the next coat of polyurethane, which generally looks nicer, more professionally, etc. In my experience, assuming the finish is dry, there isn't a difference other than the coarseness of the sand paper or steel wool.Is semi gloss polyurethane more durable than satin?
Semi-gloss has a slightly higher luster level than satin. This means more light reflects off your floors. This gives a more formal feel that really highlights the beauty of hardwood. The higher gloss level of semi-gloss makes it slightly more durable than a satin finish.What kind of roller should I use for polyurethane?
Roller Choices One of the more significant challenges to applying polyurethane is preventing lint and dust from getting mixed in to the final surface. Short fiber paint rollers and lambswool paint rollers will give a smooth finish to your hardwood floor.How shiny is satin polyurethane?
The sheen measures how shiny or glossy your floor's finish is. The sheen level chosen is more of an aesthetic choice and does not impact the durability of the finish. Currently the most popular and stylish sheen is a satin finish. Satin finish has some sheen, but doesn't look too glossy.What is the least shiny polyurethane?
Flat or matte polyurethane leaves the least shiny coating and conveys the look of natural, unfinished wood. Satin polyurethane has a low to medium sheen that helps conceal dirt and scratches, making it popular for flooring. Semi-gloss polyurethane and gloss polyurethane have a higher level of sheen and reflectivity. 
