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Drying hardwood is an essential part of lumber processing. Traditionally, manufacturers have used forced heat kilns for drying lumber. While traditional kilns get the job done, they are not always the best option. Vacuum-kiln drying offers the advantages of speed, gentleness and higher lumber end-quality.
When you use a vacuum kiln for wood drying, you will enjoy several advantages, including: Use of less energy per board foot; straighter, flatter lumber; less stressed lumber and better color retention, for example, in ash, white oak and maples where you aim for a “white” appearance. The Vacuum Dryer utilizes a vacuum to lower the temperature at which water boils (evaporates). Wood is stronger at a lower temperature. By drying at a low temperature we can accelerate the drying time without harming wood. Vacuum pressure also sucks the water from the core to the shell, which is particularly handy for thicker dimensions.
At C3 Forest Products we look for the best of the best when it comes to purchasing equipment for our shop. We were immediately impressed with the iDRY system and know that you will be too. iDry models provide fast, reliable and efficient drying , using a combination of heat and vacuum. We use the iDRY PLUS model which dries wood about 5-10 times faster than conventional kilns, and doesn't damage the wood like other traditional methods may.
The iDRY PLUS, which is the model that we use here at C3 Forest Products, dries the same as the standard size iDRY. This kiln uses airflow to dry a stickered pile similar to a DH kiln or conventional kiln, but under a vacuum pressure similar to that on top of Mt Everest; making this a fast and nice drying system.
The pressure applied to the top of the lumber can be as high as 1,600 pounds per square foot and is maintained even while the lumber is cooling after the final moisture content has been achieved. The result is very flat and straight lumber, free from cup, twist and bow. Heating the lumber is necessary to circulate water within the wood and bring it to the surface so that it can be evaporated as steam, which either condenses on the cool walls of the pressure chamber and runs to drain or is drawn out of the pressure chamber by the vacuum pump as steam.
Needed a mantle kiln dried and they were exceptional!! Great company and great people! Will definitely use them exclusively.
Daniel and C3 Products do exceptional work and I highly recommend them. They are fairly priced and have great products & workmanship.
In my first experience working with Daniel at C3 Forest it has truly been a pleasure. One of the few folks still out there that actually does what he says he will do.