what is best way to remove varnish and stain without sanding
What tin I varnish?
Just similar sure waxes and paint, varnish is another way for yous to protect wood. Here are some commonly asked questions about what you can and can't varnish.
Can you varnish MDF?
Yep, you can varnish MDF but you won't get the same textured finish as you lot would varnishing other wood. This is considering MDF doesn't have a grain, so the varnish will add a shiny protective blanket without cartoon out whatsoever character.
MDF is incredibly porous too. If y'all spill whatever water on it y'all'll find information technology absorbs it and permanently discolours, so using varnish could be tricky.
You tin purchase MDF sealants which protect the wood, dry articulate and can be varnished over.
If you don't want to use a sealant, apply very sparse coats of varnish to help build upward layers and protect the wood. Sand in-betwixt each layer and wipe away the grit, repeat until you're satisfied with the colour and coverage.
Can you varnish over chalk paint?
Chalk pigment is largely used for painting furniture because of its coverage and matt end. You don't necessarily have to seal or cease chalk paint, if you lot employ a good quality pigment it will include a top coat and stand to wear and tear.
You can varnish over chalk paint, but you don't always need to. Bank check the tin of your chosen pigment to see if information technology specifies a finishing coat, if it does, a clear non-yellowing varnish will requite you the effect yous want.
Can you varnish over emulsion?
Emulsion is typically used as wall paint so if y'all're painting wood, use a paint specially formulated for wood. This will give you a better and long-lasting finish.
Technically speaking yous can varnish over emulsion, simply nosotros don't recommend it. You should always united states of america a specialist paint for your task which, in this example, would be wood paint.
Tin you varnish over wax?
No. If you varnish over wax you lot'll find that the varnish will easily bubble and peel off.
If you lot desire to varnish over a waxed surface, you need to remove the wax starting time.
How to remove varnish from wood
There are several ways y'all can remove varnish from forest.
Utilize a varnish stripper
Varnish stripper is nigh effective with wood with intricate detailing as information technology tin can easily get into all the nooks and crannies.
At that place are a few things you should know before you buy a varnish stripper.
- Some can merely be applied outdoors due to the chemical content and fumes. So if you're stripping a bannister for example, always bank check the packaging to see if it'southward suitable for indoor employ.
- There are two main types of varnish stripper. Solvent based strippers are inexpensive, gentle on the wood, and penetrate deeper into the grain. Only because of how securely the stripper penetrates, you may end upwardly getting through information technology quite quickly.
- Solvent strippers besides tend to have a strong smell and then are best suited to ventilated areas or even the outdoors.
- Caustic based strippers are an alternative to solvents. They're about constructive with thick layers of pigment or varnish and work faster. The fumes aren't equally strong and so it'due south more than suitable for indoor use.
- Even so caustic strippers can interact with chemicals in the forest (specially mahogany and old oak) which may cause staining or scorching. So always be sure to test it on a small hidden patch first.
- Our sister brand, Colron, has a article of furniture stripper which is easy to utilise and removes varnish from your wood.
Here's how to use a varnish stripper.
- Ready the area
Varnish or paint stripper can be quite harsh. So you need to take the right steps to protect the surrounding area.
Lay downwards dust sheets effectually and underneath the wood you're stripping. If t'due south next to a wall, take steps to protect the wall as well.
If you lot're using it indoors, open doors and windows to allow the air broadcast and ensure the room is well ventilated.
- Apply the stripper
Always remember to check the manufacturer's instructions get-go, every bit these might vary slightly.
Just mostly speaking, you should apply a practiced layer of stripper to the wood using an old (or dispensable) castor.
- Wait
This is the important part. You need to wait a few minutes for the stripper to work. Check the manufacturer's instructions to encounter specifically how long you need to wait for information technology to be effective.
Y'all should also keep a shut heart on the stripper to make sure it doesn't dry out or impairment the wood.
- Scrape
Use a metal scraper to gently scrape away the varnish and betrayal the wood. It should be soft plenty to come away quite easily without too much effort.
You might discover y'all demand to apply some more stripper to get rid of the varnish or paint. If that's the case, just echo the process.
Finally, check the manufacturer'due south instructions to come across if yous need to wash down the surface to remove the excess chemicals.
Use sandpaper
If you plan on removing the varnish and then painting the wood, sanding can exist an effective way to go rid of the varnish while prepping the wood at the same time. It's likewise a natural and chemical-free way to remove varnish.
Information technology tin can nevertheless be labour intensive.
All you need to exercise is starting time with 150-grit sandpaper and sand the entire surface. One time you've washed that, motility onto 220-dust sandpaper and repeat. This should remove the varnish.
An orbital sander will make this job much easier and quicker if you're removing varnish from a apartment surface. Withal you will take to sand past paw for curved surfaces.
Use a heat gun
A estrus gun works in a similar style to stripper, by softening and loosening the varnish in social club to make it easier to remove. A heat gun won't scorch the wood but you lot will still demand to scrape off the varnish or paint.
Always habiliment protective gloves and goggles when using a heat gun and pay close attention to what yous're doing – specially as you lot're working with wood.
- Launder the surface
Employ warm soapy water to clean the forest and remove dirt, grit and annihilation else that may react with the rut.
Pat dry the forest with a lint-free cloth.
- Use the estrus gun
Equally with is the instance with varnish stripper, you should read the instructions starting time earlier you lot begin.
Set the heat to low or medium and agree the gun close to the surface without touching it. Focus on one specific patch and motion the estrus slowly over the area.
As the varnish softens, scrape it away before moving onto the next patch.
- Finish upward
You might exist left with some spots of varnish that are in hard to achieve places. Sandpaper volition be the best way for tidying upwardly the leftover patches.
How to paint over varnish
If your varnish isn't flaking and is good condition, y'all can pigment over the top of it. This is peculiarly useful if you just want to modify the colour of the varnish. However if you're using a contrasting colour, stripping the old varnish will ensure you have a ameliorate and more accurate colour.
You still have to carry out some essential prep to brand certain you get the best cease.
- Scrub the surface
You start demand to clean the wood to go rid of whatever lodged dirt and dust. You lot tin merely use warm soapy water or a household cleaner to do this.
At the aforementioned fourth dimension, you should remove any fixings (like handles) which volition make it the fashion of your paint.
- Sand the surface
Use 180-dust sandpaper to sand the varnish so the surface is rough enough for the primer to stick.
Wipe away dust with a damp material.
- Apply the primer
As y'all're painting over varnish, primer will help your final coats of paint stick better and volition provide you with a lasting fifty-fifty end.
Apply your primer using a roller or paintbrush.
Bank check the manufacturer's instructions for information on number of coats and dry time.
- Add your superlative glaze
Once yous're satisfied with the primer, you can apply your tiptop glaze.
How to varnish woods
If yous removed the varnish because it yellowed over time, you will withal need to protect the bare wood.
There are plenty of varnishes available that won't yellowish and exit you with a rich, sleeky finish.
- Clean the wood
As with the showtime of the majority of DIY projects, you demand to clean the wood offset. Employ white spirit and a lint-free cloth to wipe down the surface and remove grease, dirt and dust.
- Sand the wood
Apply 120-grit sandpaper to smooth the surface. This volition help the varnish stick and will give you a smooth end.
If you removed the previous coat with sandpaper, you don't need to do this stride.
- Apply the varnish
Thoroughly stir the varnish and then it's a smoothen consistency with no lumps.
Dip your paintbrush in the varnish, wiping off any excess of the rim of the tub.
Paint in the direction of the woodgrain, leaving a smoothen end.
Check the manufacturer'southward instructions for coat fourth dimension and final dry time. You will probable have to use two or three for a perfect end.
Source: https://www.ronseal.com/how-to-guides/how-to-apply-and-remove-varnish-from-wood/
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