I have no problem confessing that… The wood glue is my favorite. PVA glue is an essential component, therefore I always have at least six different varieties of it stashed away in my supply closet at any one moment. I’ve put it to use in a wide variety of artistic, functional, and do-it-yourself endeavors. It has a reasonable price, is risk-free, can be learned quickly, and is quite helpful. But what exactly is PVA’s little-known fact? What is it about this device, which appears to be so straightforward, that makes it such a valuable addition to your wood finishing equipment…
- What exactly is the PVA glue?
- Just what is the PVA?
What are the components that makeup PVA glue? The first place that we will go is to Wikipedia. What it has to say about PVA is as follows:
“Polyvinyl acetate, sometimes known as PVA, is a synthetic rubbery polymer that may be written as (C4H6O2)n. It is a member of the polyvinyl esters family and has the formula [RCOOCHCH2] as its overarching structure. It belongs to the category of thermoplastics. PVA glue, also known as wood glue, white glue, carpenter’s glue, school glue, and Elmer’s glue (in the United States), is a form of adhesive that is extremely popular and widely used. Polyvinyl acetate is one of the components that make up this type of adhesive.
Are you looking for a PVA glue that is particularly potent?
Selecting a PVA glue of a professional grade is the best way to assure the success of any woodworking endeavor, be it a home craft, do-it-yourself (DIY), joinery, or any type of wood repair job. The following PVA Glues are, in our opinion, among the very best available, which means that you won’t have any trouble keeping things together when it really counts.
Morrells Probond PVA Adhesive is a high-performance, D3-grade PVA adhesive, primer, and extremely powerful bonding agent. It is manufactured by Morrells.
Barrettine PVA Adhesive and Sealer is a PVA Glue Adhesive and Sealer that is of trade standard. Facts about PVA glue
Fritz Klatte, a German chemist, made the discovery of polyvinyl acetate in 1912. This was the primary chemical component of PVA. The resultant adhesive does not emit any unpleasant odors or potentially harmful fumes and may be safely worked with using just one’s bare hands.
You are able to use it on ‘fake’ wood products such as plywood, chipboard, and MDF in addition to’real’ wood. It also works as a primer, a bonding agent, and a dust proofer, in addition to being a high-performance sealer.
PVA hardens in an environment with adequate air circulation and dries at room temperature the quickest. When the components that are being bonded are clamped together, you achieve the best possible seal. It dries very quickly and has an extremely strong bond strength.
The PVA product with the yellow exterior is sometimes referred to as the carpenter’s glue; nonetheless, it is still PVA. In point of fact, there is an overwhelming variety of specialized PVAs; yet, the method is essentially the same.
PVA is not only permanent and flexible, but it is also non-toxic unless it is ingested. It has a neutral pH value.
PVA may be dissolved in water. You may make thick glue that is less gloopy and more manageable by adding water to it on your own. To prevent the glue from being too watered down, it is advisable to add water to it first, rather than the other way around, and then mix it thoroughly after each addition of water.
The following is an excerpt from Woodwork Basics on PVA:
Because it dries transparent, it is very easy to apply, and it has extremely high holding strength on wood, this glue is now quite popular, and many people believe that it is the greatest timber adhesive that is currently available.
They have a tendency to creep over time, but maintaining a tight joint can help avoid this. As a result of the numerous beneficial properties that it possesses, polyvinyl acetate is a good material for use as an adhesive in the field of carpentry and furniture construction.
Polyvinyl acetates have a wide range of applications and cure in a short amount of time, but any excess glue must be removed immediately after application or it will be difficult to remove once it has dried.
In comparison to the majority of glues, polyvinyl acetate glues are not only more affordable but also have a longer shelf life and come in white as well as yellow colors.
The white one is preferable for use inside since exposure to moisture causes it to deteriorate over time. The yellow one, on the other hand, is better for use outside because it is resistant to water, but it does not dry entirely clear.
In addition, the Woodworkers Institute offers the following information on PVA:
“PVA, or white wood glue, is what the vast majority of woodworkers now use. This creates a joint that is robust and, to the best of our knowledge, long-lasting. Animal glues, natural resins, and natural gums are the only kind of adhesives that have stood the test of time more than any others. The presence of heat and moisture are likely to have an effect on these, and the high protein content of animal glues makes them an attractive breeding ground for insects and molds if there is also moisture present. It is recommended that you make use of a formaldehyde resorcin even though some PVA glues are marketed as being appropriate for use in outdoor settings.
One of the potential drawbacks of using PVA is that if you are gluing oak (Quercus robur), it has the potential to react with the tannin in the wood and turn black. If the excess is not cleaned off promptly, it may even discolor the surrounding wood.
In addition, here is a video on how to apply PVA glue that you may find on YouTube:
PVA glue uses
What exactly is the purpose of PVA glue? Because it is an emulsion that is soluble in water, it is very helpful for gluing porous materials, in particular wood, paper, and fabric. It is not composed of any solvents, but it is an effective consolidant for porous construction materials such as sandstone. The PVA glue is not acidic, unlike a lot of other polymers, and it is quite flexible. It also creates a very strong connection. The majority of the time, people will use PVA wood glue:
- as a glue for wood
- in the capacity as an adhesive for paper, cloth, and leather
- in bookbinding
- in the field of arts and crafts, such as mosaic work
- as an adhesive for envelopes
- as an adhesive for wallpaper
- as a base coat for drywall
by combining it with sawdust and using it as a filler
It is possible to create a highly effective sealer for plaster by combining PVA and water in an equal ratio. This will get the surface ready for painting or wallpapering. It is also useful as a non-waterproof interior varnish, making it an excellent choice for tasks using papier mache.
PVA may be used to bond wood in 7 easy stages.
PVA is a water-based adhesive that is non-toxic, low-cost, and may be used to bind pieces of wood to each other. The PVA used to make wood glue is a particularly robust kind, making it an excellent choice for more labor-intensive projects. Although it dries fully clear, you may also purchase pre-colored variants that are less noticeable on wood surfaces. These versions are available for purchase.
Put some glue on the surface of each of the pieces of wood that you wish to join together by using a glue gun.
Use a moist towel to quickly wipe up any excess or spills that may have occurred.
Apply a thin layer of glue all over the surface of both pieces of wood using either a specialized plastic spreader or a brush.
To eliminate any pockets of air and ensure that the glue is distributed evenly, just press the pieces together while rubbing their surfaces in a side-to-side motion.
- Grab a couple of G-clamps and tightly clamp the components together.
- Wait twenty-four hours before removing the clamps from the container.
- Remove any dried extra glue with sandpaper.
- The problems caused by using PVA glue
- Polyvinyl acetate may be broken down and degraded by many different types of fungus, algae, yeasts, lichens, and bacteria.
- It is recommended that PVA not be allowed to freeze since this will cause the polymer to break down, rendering the glue ineffective.
- It is not possible to varnish over PVA…
However, you may cover it up with paint.
It takes one day for the relationship to reach its full power after being formed.
It does not have a completely watertight seal.
How can PVA be removed?
Sanding the wood will remove the PVA from it. If it gets on your clothes, you should be able to get rid of it by washing them in warm water a few times. Scrub the area with some warm water and then vacuum it up if it gets on your carpet.
The most stunning Personal Values Account on the face of the planet?
A bowl made of pottery that I had previously adorned and ornamented with patterned papers and textiles was varnished with PVA. Even after enduring some of the coldest winters and warmest summers on record, it has survived for eight years now out in the garden where it has been subjected to extreme temperatures. In wet weather, the surface takes on a milky appearance because the adhesive is reactivated when it comes into contact with water. Other than that, there are no other noticeable changes. PVA, despite the fact that it isn’t meant to be resistant to water or ice, appears to be more or less indestructible under certain conditions.
Do you happen to be in possession of an exciting PVA story? If that’s the case, we’d be excited to hear it!
Have a question about PVA Glue and its uses?
Do you need assistance with the project using wood glue?
Contact our team of local experts who are always available to help with project guidance and product suggestions if you would need more information about wood glues and the applications for which they may be used. Check out our frequently asked questions page about wood glues for another option. It answers many of the questions that are asked the most frequently regarding wood glues.
We are always interested in seeing images taken before, during, and after any wood finishing process. If you have images of your decking project that you would like to share with us, you can either send them to us or post them on one of our social media platforms, such as Facebook, Twitter, Pinterest, or Instagram.