What is Kiln dried Oak?
Kiln-dried Oak is oak that has been dried in a controlled environment (a kiln) to reduce its moisture content. This process ensures the wood is stable and ready for use for indoor projects as well as some outdoor projects, reducing the chances of warping, cracking, or shrinking over time.
How long does the kiln drying process take?
The length of the kiln-drying process depends on the thickness of the oak boards and the kiln's temperature and humidity settings. Typically, the process can take anywhere from a few weeks to several months. Thicker boards require more time to ensure the moisture content is evenly reduced.
Why is kiln dried Oak used internally?
Kiln dried Oak boards are used internally as they are more stable having had the moisture level reduced by mechanical drying. We suggest using 8-12% kiln dried boards internally.
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What is the difference between sawn and planed boards?
Sawn boards are left in their natural state after milling. Planed boards are machined to create a smoother finish, commonly requested for timbers that will be touched in porches, pergolas, handrails, or used internally. If you require a planed oak board service, please contact us for pricing.
Can kiln-dried oak boards be used outdoors?
While kiln-dried oak is primarily suited for interior use, it can be used outdoors if properly treated and maintained with a high-quality sealer, oil, or varnish. Green or air-dried oak is often preferred for exterior applications due to its higher moisture content and ability to acclimatise to outdoor conditions.
Can I use kiln-dried oak in a humid environment like a kitchen or bathroom?
Yes, kiln-dried oak can be used in humid environments, but it's important to ensure proper sealing and maintenance to protect the wood from moisture absorption, which could cause slight movement over time.
How does kiln-dried oak compare to air-dried or green oak?
Kiln-dried oak is more stable and less prone to movement. Air-dried oak dries naturally over time but usually has a higher moisture content, causing more movement in certain environments. Green oak is freshly cut and contains high moisture, making it more prone to shrinkage and movement as it dries.
Will kiln-dried oak shrink or expand over time?
Kiln-dried oak is much more stable than green or air-dried oak. Minimal movement may occur due to changes in temperature or humidity. Let boards acclimatise for 7-14 days before installation to reduce post-installation movement.
Can kiln-dried oak be glued or joined easily?
Yes, kiln-dried oak is ideal for woodworking projects where gluing or joining is required. Its low moisture content ensures a strong bond and stability for joints.
How do I finish kiln-dried oak boards?
Once planed or sanded to your desired finish, kiln-dried oak can be finished using oil, stain, varnish, or wax. The smooth surface ensures easy application and enhances the natural grain and colour.
How should I store kiln-dried oak boards before using them?
Store kiln-dried oak in a dry, well-ventilated area away from direct sunlight or moisture. Keep boards stacked and off the ground to ensure air circulation.
Will kiln-dried oak change colour over time?
Yes, kiln-dried oak will naturally change colour over time, especially if exposed to sunlight. UV-resistant finishes can help slow this process.
Are there any special considerations for cutting or machining kiln-dried oak?
Use sharp tools when cutting or machining, as oak is a hardwood. Dull blades can cause tear-out or burn marks. Wear appropriate PPE to protect against fine dust.
Why do you also sell oak board packs?
We sell in packs to keep costs down. Packs are typically 25% cheaper than individual boards.
