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Sand the surface one more time with 150-grit sandpaper, and then vacuum well to remove all dust. We recommend using a water-based stain to change the color of wood before tung oil is applied if a color other than that provided the tung oil is desired. For a darker, all-natural, tung oil finish check out our Dark Tung Oil and Dark Half products. It enhances the color of your wood, offers excellent protection and is eco-friendly. Try Woodcraft.com This stuff ain't cheap, and the drying time is loooooong. Plan on at least seven full days to accomplish a finish job with pure tung oil without any driers added.
Our Half & Half, Dark Half, and Outdoor Defense Oil are pre-thinned options. If you do choose to thin the oil yourself at a 50/50 ratio, simply take the estimate in gallons above and divide it in half. One half will be the amount of oil needed and the other half will be solvent. Feel free to move about on your floors with either socks or rags underfoot after applying the Dark Tung Oil. Moving across the floor with rags or cloth material is actually recommended as it will help buff and prevent any oil that may seep to the surface.
Myths and Facts About Tung Oil
Freezing temperatures can affect the curing of Dark Tung Oil. You will want to delay your project until the temperatures will be above freezing for a minimum of two weeks during the curing of the tung oil. While the oil is at its freshest (usually the first 7-15 days) do not walk across the floor with dirty shoes. The dirt will be pressed into the fresh oil and will be hard to remove.
Remember, fast-drying oils leave you no time to correct mistakes, and that’s a lot of pressure when you value quality over speed. Pure Tung oil is a drying oil that’s extracted from the seed of the tung tree, which is native to China and a few other Asian countries. The oil has been used for centuries as a water-resistant finish for boats and other wooden objects, as well as to finish stone.
Dark Tung Oil
As soon as possible, remove the water from the surface using a leaf blower or a broom. You just want to prevent the water from staying on the newly finished surface. Dark Tung Oil does not contain any additives to speed the drying process, such as heavy metallic dryers. Because of this, it can take up to 30 days to completely/thoroughly cure by its natural polymerization process. Provided below are some guidelines to follow during the curing phase.
The commonly recommended amount of coats for adequate protection and saturation is between 3 and 5. However, your project may absorb more or less oil as there are many variables for each project. This calculator estimates results and coverage per gallon may vary depending on factors like species of wood, age of wood, protection needed, etc. Our handy oil calculator will help you figure out how much you need! To get started, enter the dimensions of the surface you’re finishing .
How Much Do You Need for Your Project?
On a practical note, tung oil also dries faster than other oils, making it easier and less time-consuming to apply. From an aesthetic standpoint, tung oil also cures to a beautiful matte finish that adds depth to woodgrain, producing an antique-style finish on any surface. After you’ve applied multiple coats and the wood won’t absorb any more oil, use a clean rag to wipe the surface. If there are any puddles of oil on the surface, mop them up with the rags. This is important as you don’t want the tung oil to start curing on the surface. It is said to have been introduced to the West by Marco Polo.
You have to wait at least two to three days for each coat to harden. And it takes five to seven coats to get a protective film. Rushing the process, or applying too thick a coat, causes wrinkling, which has to be sanded off. Do not apply or leave fresh tung oil on a surface in direct sunlight. This will flash cure it on the surface and will turn white. Simply wipe it onto the surface, no need to lather it on.
Outdoor Defense Oil
Here are some guidelines to help you store it properly so it can be used for your next project. Wipe up any excess that may be on the surface with a clean, lint-free rag or cloth. Make sure the surface is clean and free of dust or debris.
How to Stop a Storm Door from Icing Up Here’s why your screen door might be icing up on and how to prevent it. 5 Types of Weather Stripping Material A guide to help you select of the best material to use for weather stripping your doors or windows. Pure tung oil is easy to identify because it contains no solvents. That may be a good thing in terms of limiting your exposure to VOCs, but applying it is an exacting, drawn-out process.
Pure Tung oil is an excellent alternative to other drying oils, such as walnut, linseed and soy. Renewal and/or maintenance coats are thinly applied with lint-free cloths or old t-shirt material on an as need be basis. A two parts solvent to one part tung oil mixture is recommended for maintenance coats. Outdoor projects may require more maintenance than indoor. Heavily used areas can be expected to require more maintenance than lightly used areas.
These do not mix with the tung oil and will create adverse effects on your finish. Typically these thinners have a milky appearance in the bottle rather than clear. However, the pure tung oil will settle inside the wood/material overnight on through the next day. To get the best finish we recommend applying one or two more coats of the oil, following the instructions previously stated, after this period of waiting. Make sure to wipe up oil that’s on the surface that does not absorb. Hang oil-soaked rags separately outside to dry before disposing.
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