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Turning the World of Cans Upside Down

Recently we set about testing a variety of solutions for what has been a constant problem: preventing a can of paint from forming a skin, especially when stored for months or even years at a time. Plastic wrap pressed against the surface definitely worked, but also created a mess when being removed, while anti-skinning sprays could impact the drytime of the paint itself, especially if the amount was not tightly controlled and a painter happened to use just the topmost layer. Plastic rings that locked the lid in place, and even displacing oxygen by spraying argon gas into the headspace before sealing the can, all showed promise and potential. But in the end the most effective method turned out to be the easiest of all: simply turn the can upside down. By doing this, the wet paint would be pressed against the inside of the lid and create an airtight seal. All the trials using this method showed no evidence of skinning, even when stored at elevated temperatures for a prolonged period.

Based on those results we have decided to package and store our cans in a new, upside-down orientation; so, while the label will still appear right-side up on the shelf, the lid will now be on the bottom and you will need to turn the can over to get to the paint. This might take a little getting used to for some of our customers, but in the end it is a better way to get our paint to you in the best and freshest condition.

Williamsburg Upside Down Can

Left: Williamsburg Cadmium Red Light with lid at top of can. Right: Cadmium Red Light with lid at bottom of can.

While it will take a while for these cans to start appearing on store shelves, we would encourage you to start to store them in this way for yourselves. Just keep in mind this method works best if the can still has a substantial amount of paint inside. When done for the day, make sure to tap the lid securely into place before turning the can over and giving it a good whap against a solid surface in order to pull the paint down against the lid. As the level of paint reaches halfway or less, this method becomes more impractical and less effective. At that point, it makes the most sense to smooth the surface of the paint, removing any gouges or air pockets, and pressing a piece of plastic wrap against the surface.

3 Responses to Turning the World of Cans Upside Down

  1. Anton Chapman November 25, 2015 at 11:53 pm #

    Hello Sarah, I last wrote to you in 2013 while painting for a show in South Africa. I sent you a few examples of my work I only use Williamsburg oils where available and have recently ordered more supplies for my now immanent return for another travel and painting trip. I’ve been hunting for the poetic descriptions of the various colours that used to appear ; I think it was part of the Williamsburg site…I loved those musings which may have perhaps been Carl’s.

    • Sarah Sands November 30, 2015 at 10:23 am #

      Hi Anton –

      Thanks for letting us know how much you valued the descriptions. We definitely cherish them as well, both as part of the legacy we inherited and simply as another way to help people imagine into what is often beyond easy description: how a color looks and feels ‘in the flesh’. However, as with any website redesign and launch, it can take a little while to get everything in place but eventually we still hope to have these descriptions available online at some point. The good news, however, is that all of the descriptions are included in our Product Guide for Williamsburg, which we can usually mail out to customers. If interested, simply send us an email with your mailing address and we can get that sent out. In the meantime, we will also email a PDF version to you, so you can have that as a resource as well. You can also download it from our Williamsburg website’s Product Support page:

      http://www.williamsburgoils.com/techpages

      Hope that helps! And if you have any other questions, simply let us know.

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  1. Paint Storage Tip: Gravity Is Your Friend | Artwork by D. B. Clemons - July 22, 2015

    […] motivation for this post was my reading that Golden is going to start labeling their cans upside down to encourage people to get use to this way of […]

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