What's The Difference Between Wood Putty And Wood Filler

What’s The Difference Between Wood Putty And Wood Filler

If you’re fixing furniture or building wood products from scratch, you will likely find yourself needing to fill up holes. These may be knicks and cracks from wear-and-tear or the holes made by nails. In either case, you’re going to want to pick either wood putty or wood filler to cover up these defects.

These two terms are frequently utilized interchangeably by specialists and newbies alike. Nevertheless, they are s ilar things, however using one when you must utilize the other can spell catastrophe for your task. Looking for the best weatherboard repairs  company? Look no further! Hitch Property Constructions has you covered.

Still, the subtleties between these two products can be difficult to understand. To help you out, we’ve composed this total guide on wood putty vs. wood filler. You’ll discover an introduction of each along with a discussion of their distinctions below.

Difference Between Wood Putty and Wood Filler?

As far as makers are concerned, there isn’t much difference between wood putty and wood filler. You’ll see one product labeled “wood filler” and another with practically the same active ingredients labelled “wood putty.”

To a woodworker, nevertheless, there’s a huge difference in between wood filler and wood putty. If you needed to lower the difference to one attribute, it would be that wood filler is sandable and is planned for unfinished wood, while the wood putty is not sandable and is best used on finished wood.

Wood Putty Is Oil Based and Remains Flexible

The majority of wood putty items are similar to plumber’s putty or window glazing. They are oil-based, so they withstand moisture, and they may solidify. However, they never ever totally lose their flexibility. These qualities make putty most appropriate for outside applications because it won’t wash out, and it won’t crack with broadening and contracting wood.

Putty generally is available in small containers since its primary usage is for covering small holes on ended up wood, and a little goes a long way. You can’t stain putty. However, it can be found in a range of wood tones, and you can usually find one that is a reasonably good match.

Due to the fact that putty is oil-based, you technically should not paint over it with a water-based item. If you utilize a percentage of putty and give it several days to dry, nevertheless, there shouldn’t be an issue.

Wood Filler May Be Water-Based, and You Can Sand It

Possibly the best-known wood filler is Plastic Wood, made by DAP. It’s a solvent-based item, but lots of similar fillers are water-based. Common components in wood filler include cellulose, as you would anticipate, together with limestone and attapulgite, which are two of the main ingredients in the joint drywall compound. DAP likewise makes a water-based item, Plastic Wood Latex Wood Filler, which consist of limestone however no cellulose.

Two-part epoxy-based wood fillers blur the line in between wood putty and wood filler. Epoxy wood filler is a pure plastic that can be used on completed or incomplete wood. It includes no cellulose, however, because it treatments hard enough to sand, it’s closer to a filler than a putty.

Neither of these products needs to be confused with wood-grain filler, which is utilized mainly by finishers. It’s really thin, and you spread it on a tabletop or countertop and sand it flat prior to applying the first coat of surface. It produces a level substrate for the finish, and the outcome is a glassy-smooth surface area.

Should I Use Wood Filler or Wood Putty?

Anytime you require to spot small imperfections in an ended up surface area, you must utilize wood putty. Lacquer-based patching pencils, which are intended for minor repairs to furniture surface, are actually putty sticks. Due to the fact that it withstands the elements much better than wood filler, putty is the go-to product for exterior repairs.

Because it’s sandable, wood filler is the only thing you need to utilize for patching incomplete interior wood. If you prepare to stain the wood, select a wood filler that contains cellulose because it stains much better than limestone. No matter which filler you use, specifically epoxy filler, it won’t stain the exact same colour as the surrounding wood, so most woodworkers use prestained filler for furniture, floorings and other woodwork.

Unlike wood putty, wood filler consists of no adhesives, so it will not bond to the wood unless you seal it with paint or clear finish. This suggests that you should utilize putty to make repairs on finished surface areas, even indoors. Remember, you don’t constantly have to leave putty incomplete. If the repair is fairly small, and you offer the putty time to dry, you can coat it with lacquer, varnish or perhaps water-based polyurethane.

Advantages And Disadvantages

Wood Putty

Wood putty is likewise what many experienced woodworkers and specialists like to refer to as “plastic wood”. And it is among the most common wood filling substances in numerous workshops.

Wood putty is the kind of filler that you apply after staining or varnishing your workpiece, and this is since most types will contain chemicals and other active ingredients that can harm the raw wood. Although the components of wood putty can vary from one producer to the other, all are oil-based substances. And the main ingredients in the majority of as are boiled linseed oil, some calcium carbonate and a universal colourant.

It will resemble a plastic resin and will feel like soft clay when you add some water. The stiff dough texture of wood putty indicates that you require a putty knife to use it. Once dry wood putty will harden, but this takes a very long time or at least longer than wood filler. Some types will solidify by themselves while others will require you to mix in a hardening chemical to stiffen the putty.

The long drying time if the best imperfection of the wood putty as it suggests that lighter colours can accumulate dust and darken once the patty is dry. And this can affect the appearance of the workpiece. You can get wood putty in a range of colours and for this reason, making it a versatile filling agent. The many colour options make it easy to find something that matches your wood stain.

Wood putty is the very best filling representative for use on outside furnishings as it not only withstands shrinking but is likewise less prone to the effects of the natural elements like sun and rain. At Hitch Property Constructions, we offer Melbourne weatherboard repairs services.

It is also more affordable than wood filler due to the fact that it lasts longer even when the putty dries in the container, you just need to utilize a little acetone to restore it.

Finally, wood putty also has some adhesive homes, and this makes it a terrific masking glue; however, it works finest with oil-based finishes.


More economical. A little container of wood putty will last for a long time, which makes it a more affordable filling agent. Even when it dries in the bottle, a few drops of acetone is all you need to refresh it.

Adhesive homes. Wood putty has adhesive homes; therefore, you will not constantly need to utilize a seal. Nevertheless, this will just deal with the oil-based finishes.

Best for outdoor furniture. Unlike wood filler, putty withstands shrinking, and it is more resistant to the impact of the sun and rain that makes it the very best choice for your outdoor furnishings.


Longer drying time. The majority of type of wood putty will take more time to dry than wood fillers. And the biggest disadvantage about this is that a light-coloured wood putty can collect dust and darken.

Time of application is among the primary differences between wood putty and filler. Unlike wood putty, you need to use wood filler prior to doing any staining or ending up on the workpiece.

The wood filler or wood grain filler is a putty-like compound made from a mix of materials such as epoxy, lacquer, clay, and polyurethane.

Although many wood fillers will come in a neutral colour, it is possible to include tints or dye so that it can match the colours and grain of the wood. Likewise, you can blend it with sawdust for a more natural look.

Wood filler is often the much better choice when you want to fill big holes and cracks on the workpiece. And it comes in numerous types which are created for different uses.

The latex filler is one of the typical types, and it is water-based for easy clean-up. Latex fillers likewise mix well with dyes, and they will be a great choice for sealing big fractures and holes in unfinished wood.

Other types such as the epoxy and polyurethane fillers are also quite useful to have in the workshop. However, you ought to only use epoxy fillers on an incomplete wood as they need a great deal of sanding which can ruin the finish.

Wood Filler

It is likewise important to keep in mind that wood filler is not expandable as it will break when the wood expands or contracts. Hence, it will not be very suitable for use on outside projects. Likewise, direct exposure to direct sunlight will make it diminish by drying it out.

Because wood filler does not have adhesive homes, it will be necessary to use some seal on top of it. But, it is more versatile than wood putty, and you can use it on various surfaces.

Wood filler dries quicker than wood putty, and most types will start drying in just 10 minutes after application. And it will be dry completely in about 24 hours that makes it a great option when working on a short due date.


Fairly quickly drying. Wood filler will statistics drying about ten minutes after applications, and in most circumstances, it must take a maximum of 24 hours just to dry completely.

Readily available in numerous types. There are more kinds of wood fillers than wood putty. From the stainable wood filler to the latex, epoxy and polyurethane types, you can be positive of finding a type that matches your specific requirements.

More versatile. Schedule of wood filler in numerous types makes it more versatile than wood putty. And there are many things that you can use it for when making indoor furniture. Many woodworkers tend to use putty more frequently than they utilize fillers as it is better for a range of finishes.


No adhesive residential or commercial properties. Unlike wood putty, fillers do not have adhesive residential or commercial properties, and this implies that still need to utilize seal on top of your filler when completing the workpiece.

Not expandable. Wood fillers will not broaden, and they will rather break when the wood broadens and contracts. For this reason, it will not be ideal for usage for outdoor furnishings or items that will be exposed to the components.

How to Fix Dings in Wood Baseboards

Bondo is a two-part polyester-resin putty developed for car body repair. However, thinkers outside the box have actually discovered other usages for it. Its solidity makes it a superior wood filler, and its adhesiveness makes it beneficial for covering concrete. It can likewise serve as a durable patching substance for drywall. However, it is better than drywall joint substance or patching compound in just a couple of scenarios. Its strength makes an excellent filler for holes from about 1 to 4 inches in diameter, such as a doorknob makes, and its consistency makes it ideal for repairing corner beading.

Filling Holes

Cutaway any broken or chipped drywall from around the hole with an energy knife, and scrape the edges of the hole with the knife to make them smooth.

Stuff newspaper into the hole to form a backing for the filler. Usage adequate paper to wedge inside the wall so that it remains in place long enough for you to use the filler.

Scoop enough Bondo filler from the can to fill the hole, and deposit it on a piece of old drywall or plywood with a putty knife. Do not overdo it due to the fact that you’ll have to dispose of any filler you do not use. Mix it with the hardener that includes the filler in the proportion specified on the container.

Trowel the filler into the hole with the putty knife, keeping it off the surface of the drywall however adhering it to the sides of the hole. Fill the hole, but don’t let the filler bulge out. It must form a somewhat concave surface area. If you get any filler on the drywall, scrape it off right away. You will not have the ability to sand it off as soon as it sets. Check out Hitch Property Constructions for a huge range of weatherboard repairs Melbourne services. 

Wait on the filler to set, which takes about 20 minutes, then fill the hole with drywall joint substance and scrape the substance flat with a drywall knife. Let the joint compound dry, then recoat it. Repeat if required, then prime and paint the spot.

Patching Corner Beading

Use a paint scraper to chip away dried joint substance from an area of metal or plastic corner beading that you need to fix. Bondo is especially beneficial for patching bullnose beading that has been dented by an effect.

Mix enough Bondo for the repair, trowel it on to the broken location and smooth it with a paint scraper. Await it to stiffen, and then mould it to mix with the existing bedding.

Sand the repair work flat with 150-grit sandpaper after the Bondo sets. Spread joint compound on the walls on both sides of the repair work, scrape it. Let the joint substance dry, and use another coat. Repeat if necessary. Prime and paint the repair after the last coat dries.

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