
Elevate your lumber quality with fast and efficient drying.
Wasioja Wood provides Vacuum-Kiln drying services in Southeast Minnesota.

We make drying your wood easier than ever.
We believe that drying your wood professionally should be easy and accessible. For our customers, we aim to make the kiln-drying process transparent and enjoyable, and yield results they are proud of.
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Bring your logs to us, cut, stickered and stacked. We can fork them off your trailer. Or bring a large pallet in our kiln dimensions (13ft L x 48in W x 55in). We kindly request putting dunnage (4x4’s) to space the load into 1000-1200lbs sections, which will ensure loading capacity for heavy hardwood loads.
Not stacked & stickers? No problem, we can help. Not cut? We can help with that too.
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We use our Delmhorst Pin Hammer moisture meter to accurately capture how wet or dry your logs are reading. Once we’ve got a reading, we will more accurately be able to fine tune kiln settings and your expectations of how quickly the wood will dry.
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Vacuum kiln drying is a core business strategy we have landed on. We wouldn’t dry our wood any other way. After air-drying, all of our premium material goes in an iDry vacuum kiln. Vacuum kiln drying is superior in every way (more info here) and offers a fast, reliable and efficient drying process, using a combination of heat and vacuum. We also offer drying services to clients with their own wood to dry.
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We meticulously monitor your wood’s moisture from going in, while drying, and out of the kiln. We use industry standard tools like the Delmhorst pin hammer moisture meter, and wireless RH monitors in the kiln. Combining tools and technology in our kiln, we can get an accurate sense of when your wood is dry and finished.
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You may need slab flattening, re-sawing, sanding, etc - and we can help! We often manage the post-process working with with folks who can commercially flatten and sand your wood. Our network of woodworkers, fabricators, and designers can help you complete your project.
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Once we’ve got your wood finished and ready - you will receive a notification that your wood is ready for pickup. If you require delivery, just let us know.
We have loading equipment on-site to help you get on the road without the hassle.
Dry faster, and increase your revenue.
The quick turnaround of a vacuum kiln helps you focus on the important parts of your business rather than waiting for your product to dry.
On average, we figure that it will take about 10 days to dry each inch of material, assuming the material has been properly air-dried and is metering in the core of the wood below 25% moisture content. Pick through the options below to get a grasp of how much material you can dry for each pricing tier. For large volume order pricing please contact us.
Common Questions about Kiln-Drying
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Air drying your lumber is a great way to cut down on kiln drying cost, but it’s drawback is stability, quality and often prevalent pest-damage and mold. Air drying will only get your lumber down to 12-16% moisture content in the core, but that can take years for thicker material.
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The performance of wood is influenced by the amount of moisture it contains. Freshly cut lumber contains sap. Sap is composed primarily of water, with varying amounts of other dissolved materials. Moisture content in wood exists in two forms: as free water in the cell cavities and as bound moisture held within the cell walls.
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When making home furnishings, products, and interior elements it’s best to use wood that reads in a 6-8% moisture content level, and matched to your environmental Relative Humidity where a finished product would live.
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You might be surprised by how “wet” your wood really is in the core. Many customers have bought their wood “kiln-dried” or “air-dried” wood thinking it was dry based on a surface meter reading. We’ve been able to dry these batches to professional kiln-dried moisture content standards at the core of the wood.
For every wood species, thickness & mc we receive, we take a temperature and species calibrated moisture reading at the core of the wood, before putting the load into the kiln. Utilizing a Delmhorst J2000 pin hammer meter, we know accurately how close we are to our dry wood parameters.
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We use a vacuum kiln chamber under pressure and heat with circulated hot air. When the wood is under pressure, the boiling temperature of water is lowered, and thus causes the moisture found in the wood core outward . This dries wood up to 10 times faster than conventional methods. The resulting product is gorgeous and free from much warping, cupping, pest & rot, and discoloration often found in dehumidification and strictly air-drying methods.
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Our Kiln uses a vacuum to create a pressure gradient between the shell and the core of the wood, causing the water to flow toward the shell more rapidly. Conventional drying methods rely on moisture differential or gradient to move the water from the wetter core toward the dryer shell, which can be slow and degrading to the wood. The iDRY achieves its fast drying rates by maintaining a small differential between the shell and the core moisture contents throughout the drying period.
Trusted by Woodpreneurs & Lumber Businesses