Tips for using Allwood's Tung Oil on your outdoor projects:

 

Understanding how it works:

  • Allwood’s Tung oil finish soaks into the wood, and is not intended to create a thick film like paints.

  • Unlike stains, Allwood’s oil finish contains a large amount of Tung oil that hardens in the wood that makes it unique and longer lasting.

 

In addition to the directions, here's some other tips:

 

How to test the wood for good porosity:

  • Testing the wood and creating a porous surface on your wood can be done by the following techniques: Testing is simply done by applying Tung oil in a small area on a horizontal surface. The rule is; if the oil soaks in well in the first coating then the wood porosity is OK. Some pooling is expected in small areas where wood varies in density.

If not sucessful, then there are some factors that may help before you go to the next solution:

  • The wood must be dry.

  • The temperature of the wood surface must not be higher than 28 0 C. or lower than 10 0 C.  (Sunlight will cause high surface temperatures).

  • Aging the wood for a few months outdoors.

  • Results will vary depending on the type of wood and porosity. Softwoods like Cedar are seldom a problem, whereas hardwoods can be very stubborn.

  • When ready to apply; read instructions carefully, and apply only as much that you can manage. This is important as the wiping or buffing stage typically allows you 30 to 50 minutes to remove the excess oil after brushing on.

  • Avoid the heat of the day. For most outdoor projects it is best to apply in the evenings when all potential of overheating from sunlight is over.

  • On making additional coatings; Additional coatings absorb much less oil and can be applied with a cloth and rubbed in the direction with the grain as much as possible. Wiping and buffing the surface is essential in multiple coatings.

 

Troubleshooting:

 

  • If a white scaly area forms this is called “skinning”, this appears if the coating is not wiped sufficiently. High temperatures can also contribute to the problem because that shortens the time to gelling and makes wiping difficult. If this should happen, a rag soaked in Tung oil finish should be immediately rubbed on and the skinning can be cleaned off, then new oil applied, and buffed again.  If left too long to dry, coarse steel wool soaked in Tung oil finish will remove the skin.

  • In order for the UV protective components in the coating to be effective, a second coating is recommended especially on areas normally exposed to full sun.

  • If the Tung oil is not stirred, pigments and UV protective particles will settle quickly to the bottom. The best practice is to leave a stir stick in the container and stir often while applying.

 

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