dehumidification kiln drying schedules dehumidification kiln drying schedules

By. This helps keep the lumber straight during the drying cycle; in fact, improper placement of stickers can permanently deform lumber. Basically the idea seems to be to maintain a constant temperature, and to keep lowering the humidistat to maintain the SDR until the moisture content gets to the desired level. Ideally, a lumber kiln would be large enough to dry multiple stacks of lumber. The kiln humidity can be expressed as an EMC, relative humidity, or wet-bulb temperature. USDA, 1991) . The fact is, most of my stacks of lumber air dry to 15% moisture content before entering the kiln. Be sure that all of the kiln equipment is working prop-erly before lumber is loaded into the kiln. From contributor D: Enter the email address you signed up with and we'll email you a reset link. 5. With two-stack and three stack kilns, it is better to have reversible fans to alter the direction of airflow mid-cycle. To hang the baffles, simply attach hooks to the plywood frame. I usually see a large volume of water in the DH each night when I check the kiln. Take the electronics out of the kiln, and continue operating the heater and fans during this phase. Perhaps the best part: you wont need to calculate your lumber needs down to the board foot. An Overview. Instead of using expensive electrically reversible fans designed for commercial kilns, I came up with a simple hardware solution. Construction of a kiln chamber is very similar to building a small house. This returns some moisture to the very dry exterior of the lumber, while not affecting the core moisture level. the Dry Kiln Operator's Manual (Simpson, 1991). After seven to 10 days, I reverse the fan direction to make sure all stacks of lumber dry evenly. 0000001417 00000 n The last thing to do before starting the kiln is to close the gable vent with an insulated cover. If the interior volume of a kiln becomes too large, basic heaters and home dehumidifiers may be inadequate to control the kiln environment. . Remove samples from the stack, and cut an inch or two off one end. JavaScript seems to be disabled in your browser. The T-bars are made from 1/2 galvanized pipe and are attached to the rafters with threaded pipe flanges. the hardwood kiln schedule is the equalization of the moisture content of all boards at 6-8%. Remove samples from the stack, and cut an inch or two off one end. For sterilizing thicker lumber, additional time is required. Rep. FPL-GTR-57. Kiln Drying . 4.4 drying schedule moisture content drying schedule . The approach described in the article where you try to keep the water leaving at a steady rate is fine. 3.24 solar-dehumidification drying kiln Many available kiln designs require a large, heavy door. Dr. Gene Wengert provides schedules for kiln drying hardwood lumber. The following tables show some examples of oak schedules for steam dry kilns and dehumidification dryers. Enter the email address you signed up with and we'll email you a reset link. 158 p. Dry kiln schedules for commercial woods : temperate and tropical. A 1.5-kW dehumidifier was installed in the solar dryer to determine the performance of a combined solar-dehumidification dryer. Corners where walls meet should be sealed with expanding foam sealant. Formulating a Kiln Schedule For end baffles, I use 2"-thick rigid foam insulation screwed to the main baffles. ) or https:// means youve safely connected to the .gov website. Inexpensive Dehumidification KilnIn this video we'll build and load a 14' long 4' by 4' wood kiln that dries wood by heat and dehumidification.We had quite a. A higher humidity setting will run the unit sporadically to maintain that RH. %PDF-1.4 % HDE small kilns feature all-aluminum construction for a long, maintenance-free life span . I am using a household . A better choice might be a solar kiln, as you can dry wood from "wet" to 6-8 percent MC in 6-8 weeks. Staggering the seams between the sheathing and siding layers helps avoid air infiltration. If the temperature is below this range, I start the heater and adjust the thermostat accordingly. In the majority of cases, the drying schedules are from the world literature, with emphasis on U.S., Canadian, and British publications. Staff. If your lumber stack is built on starter blocks, you will need to limit airflow there as well. There are two main reasons for drying wood: Woodworking When wood is used as a construction material, whether as a structural support in a building . Use the gridded drawings provided on the PDF, Woodworking | Blog | Videos | Plans | How To. Two-by-four material sawn from young trees, thinnings, and stem tops contains a significant proportion of juvenile wood and is particularly notorious for warp. If MC readings still arent at the desired range, the heat may need to be increased for the remainder of the drying cycle. Once all the lumber is stacked and stickered, place baffles over the lumber. Contractors work on a tight schedule, and that may not allow much time for curing and drying concrete. Website Content Copyright 2023 Nyle Systems |. Its a nice use of technology and adds a measure of safety as well.) For the sterilization phase, air temperature needs to be around 140 F, for three to five hours. These figures hold true for lumber up to 2 thick. Adjust the baffles or fan direction to achieve good airflow. I also wrapped the shed with Tyvek HomeWrap. /Length 7 0 R Recently, either Wood, or American Woodworker showed how to build a small version of a solar kiln. The order was 540 board feet (BF) of 5/4 white oak. This will allow the DH to drain automatically without you needing to enter the kiln. For a kiln temperature of 140 F, sterilization takes three to five hours. Lock This shed will be essentially unheated for much of the year and very hot during the kiln-drying cycles. You can download the paper by clicking the button above. I found that brackets for mounting rigid metal electrical conduit work best. /ColorSpace /DeviceGray HT systems use 40-60% less energy than gas-fired or steam dry kilns. Reweigh and obtain the oven dry weight. Additionally, a 12 air plenum is required between the walls and stacks of lumber. I know your kiln is absolutely tight and perfectly sealed, but it has to vent some or it would overheat. If you intend to kiln dry lumber from a green state, right off the sawmill, you will need to be well-versed in airflow rates and follow a detailed drying schedule. Place some sample boards in the stack that will be easy to pull out for moisture testing later. For single-stack kilns, stationary fans are adequate. I guess I am thinking that while I am seeing the wood's MC and the kiln's RH drop smoothly, the fact that the temperature jumps around a bit may mean that the drying rates are hard to control, hence my loss of horse chestnut. Attic fans are a perfect way to provide airflow over the stacks of lumber. BE CAREFUL--The first temperature value must be repeated for every MC class (column #2) that is above 30% MC. Dr. Gene Wengert provides schedules for kiln drying hardwood lumber. This will allow the heater to cycle on and off automatically, according to the kiln operator's setting. I cannot stress the importance of baffles enough. kiln/. After two days operating only the fans and DH, I take note of the temperature. For single-stack kilns, stationary fans are adequate. Q,kjifT33P[! I find that unplugging the DH is helpful during the sterilization phase so I can add a second heater, without overwhelming my electrical circuit. Always avoid conditions that add moisture back to the lumber, especially during start-up. 1. a furnace or oven for burning, baking, or drying, especially one for calcining lime or firing pottery. Dehumidification Kiln. In-service replacement of warped 2 by 4's as wall studs or truss members is costly. This report contains suggested dry kiln schedules for over 500 commercial woods, both temperate and tropical. This gives me a secondary method of tracking the drying process, using both water volume and moisture content (MC) readings. This listing incorporates current market requirements for the various species, as well as the current quality of the lumber resource itself. The membrane was taped and lapped to the weather so if the tape ever fails, any rain that gets behind the siding would still be shed down and away by the HomeWrap. The problems with solar kilns include limited control over temperature and limited solar exposure, depending on your region and site location. It is a meaningless exercise to try to convert those schedules for the kiln you built. This prevents "dead spots" inside the chamber that experience limited airflow. Go to the second letter designation (the MC Class Designation) and find the corresponding MC ranges in the table below. The schedule designations use the popular U.S. Forest Products Laboratory designations. )f7haRoMRhib5Sd|-=RBkBBN r-hzf+1\IFgk;v]3_, KxL$9oL "Qw#"BFGfk}>cT2g yP K|7@N*v9!Wy9jB. op(y"X)Fz"q]fQC/ha>7=k_p}}^VXQmj e'2fyXQ{~23X^H1,d>Hq|^KQ*cN=yF%z. are generally kiln dried by time scheduleswhether the wood is intended for struc-tural lumber or for appearance uses, such as furniture or millwork. Once the core readings are 6% to 8% on a fresh cut, the lumber is dry and ready for sterilization. A heavy-duty 1,500-watt space heater works fine. I chose double wall construction with 1/2 sheathing, and 1/2 T1-11 siding. Air speed of 350 feet per minute is appropriate for common hardwoods such as oak and maple. I recently picked up a back issue of American Woodworker, #94 June 2002, that has a good article on constructing a simple DH kiln. The stickers are uniform in size and usually 3/4 or 1 square. In addition, wood can be dried by special methods that include solar drying (use of greenhouse-type dryers or those equipped with solar collectors . endstream endobj startxref organization in the United States. Whether to Wax Walnut Ends Before Steaming, Frequently Asked Questions about Widebelt Sanders. So, if you have 100 bf in the kiln, every 12 hours you would extract (12 hours *100bf * .0061 SDR) = 7.3 pints of water. Wood drying (also seasoning lumber or wood seasoning) reduces the moisture content of wood before its use. The DH is not needed at this time, as the lumber is already bone-dry. Initially, I set the DH to 40% RH, because I dont want to remove moisture too quickly. The second temperature value is written for the 25 to 30% MC class; the third for the 20 to 25% MC class; and so on. 0 \ (116 C) temperature. The thinner the stock, the more critical sticker placement becomes. A kiln schedule is a set of temperatures and humidities that are used during kiln operation. There are two ways to remove water from the DH unit, and they both work well. Although dehumidification kilns are slower than conventional kilns for drying, the lower drying temperature has the reported advantage of less degrade and less shrinkage. For example, if you dry 7,500BF of fast drying Pine, youd select the 8MBF chamber with the HT18 Dehumidifier. Low temperatures can be used for an extra safety margin on greener lumber. MC values in the kiln schedules are based on the wettest half of the kiln samples. Y}-m+'@DQ4\h8GP]y@ yL. Then, write down the appropriate MC ranges (determined in #2 above) in the second column. You could use the dehumidifier to dry wood but it would not be part of a "kiln." Just be a different process. A higher humidity setting will run the unit sporadically to maintain that RH. /BitsPerComponent 1 With two-stack and three stack kilns, it is better to have reversible fans to alter the direction of airflow mid-cycle. Only the fans need electricity. Basically the idea seems to be to maintain a constant temperature, and . Also, since heat rises, ceiling-mounted fans have the added benefit of circulating the warmest air over the lumber. These kilns will typically hold several thousand board foot of lumber. That purchase was an average deal, and one I dont consider a particular bargain. Particularly, important investment has taken place in lumber drying capacity. A Checklist for Operators of Small Dry Kilns A companion to A Start-up Guide for Operators of Small Dry Kilns (FOR-132) Terry Conners, Forestry and Natural Resources Another common sticker size is 1 x 2, and these work fine as well. End baffles are also a good idea to prevent airflow from bypassing the stack entirely. Custom Doors, Drawers & Glass Accessories, Using a Small Scale Dehumidification Kiln, Learn Woodworking Tips & Tricks with Rockler, High-quality brands and products you can trust, Expert advice and free post-purchase support, Exclusive, innovative products that help you Create with Confidence, Detailed instructions, technical specs and guides to make the most of your purchases. Heres a classic project that both steps up and provides overflow seating. Any info or advice on using dehumidification equipment to dry out chainsaw milled lumber. A kiln schedule is a set of temperatures and humidities that are used during kiln operation. This kicker board will help distribute the airflow more evenly through all layers of lumber. High Temperature Kiln Drying Systems (160F) Loads up to 350,000 BF; Pull up to 20,000 pounds of water daily; Use standard drying schedule; Precision temperature and RH . Commercial scale steam kilns consume large amounts of energy. On this order alone, I saved over $1,300 by drying the lumber myself. 7. I hope that the sawyer coated the ends of the lumber with Anchor-Seal or oil-based paint when it was green. 0000002536 00000 n >> The four charges of lumber ranged from 600 to 700 board feet (bf), and a woodworker with no dry-kiln experience operated the kiln. The second most common type of drying is called dehumidification drying. For these reasons, I feel it is best to let the shed breathe, and forgo a plastic vapor barrier. In smaller kilns, the heat generated by the fans and DH motor is sufficient to maintain temperatures in excess of 100 degrees. (See the following sections for a discussion of how to develop a schedule from these designations.) Once the flooring deck is constructed, think about sealing the shed framing at every opportunity. Wood Drying/ Seasoning. Wood Shrink/Swell estimator - A web-based program to estimate shrink/ swell in wood. There might be a problem with that if the chamber overheats and has to be vented because some water will leave that way. Keenan Slab Works has a vacuum kiln located at 4917 Elizabethtown Road, Manheim, Lancaster County, Pennsylvania, 17545 and is expanding services for the general public to have their slabs and lumber vacuum dried. Apply foil tape to the edges of the main baffles to help protect the Styrofoam. If the fans and dehumidifer generate enough heat to maintain a temperature of 100 to 120 F, then I won't use the auxiliary heater. So, with that lengthy introduction, here is my question. An anemometer confirms that your effort constructing baffles was worthwhile. If you dry 9,500BF of slower drying Oak, youd use the 10MBF chamber with the HT8 Dehumidifier. (Sawing and Drying Forum) My aim was to develop a small dehumidification kiln for better control of the three key components of lumber drying: temperature, airflow and humidity. When properly loaded, this kiln can dry approximately 600 board feet of 4/4" lumber. Schedule for drying 4/4 and 5/4 upland red oak in a steam dry kiln. I then manually rotate the fan boxes halfway through the drying cycle. Operates at a temperature range from 80F - 160F (26 - 71C). 9. Saving money by drying your lumber may not be the answer for every woodworker, but the basics shown here demonstrate that it is within the reach and skills of the average person. You can achieve top-quality results with incredible efficiency. January 27, 2007. endstream endobj 283 0 obj <>/Metadata 40 0 R/OCProperties<>/OCGs[294 0 R]>>/Outlines 53 0 R/PageLayout/SinglePage/Pages 280 0 R/StructTreeRoot 72 0 R/Type/Catalog>> endobj 284 0 obj <>/Font<>/Properties<>/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 285 0 obj <>stream Equalizing and conditioning are required for almost all hardwood lumber. Share. After four days, I decrease the RH setting on the DH to 30% and continue to run the fans. The DH is not needed at this time, as the lumber is already bone-dry. For the best experience on our site, be sure to turn on Javascript in your browser. In this paper, the effective schedules were further investigated for longer culm parts treated with boron. During the conditioning process, the only equipment operating are the fans, heater and the steam generator no dehumidifier. Khmer Kiln: quite similar to the Anagama kiln however, traditional Khmer Kilns had a flat roof. Dehumidification Kiln Drying. I prefer to empty the water tray manually and record the volume of water collected. , , o* j=d Equalizing and Conditioning Each layer of lumber is separated from the next by a series of stickers or spacer sticks. When that is the case, I know Ill have usable lumber in just a few weeks. This can create internal stress in the lumber that is released when sawing. On the last load of lumber I purchased, I saved $2.50 per board foot compared to retail prices for kiln-dried lumber. The kiln process involves the drying of wood in a chamber where air circulation, relative humidity and temperature can be controlled so that the moisture content of wood can be reduced to a target . Total costs for the materials were $2,704 based on 2006 prices. Instead of using expensive electrically reversible fans designed for commercial kilns, I came up with a simple hardware solution. To condition the lumber, I introduce steam into the kiln for about two hours. Should a Moulding Mill Bring Sawmill Operations In-House? Manufacturer guarantees/warranties for power tools, CNC and laser products will supersede the Rockler Guarantee if these items are damaged or defective. Align the stickers over the starter blocks on the first course. The water tray can be removed and emptied manually, or a hole can be drilled through the wall of the shed to pass a drain tube. They are normally mounted in the gable of household attics, and they are designed to be used in high temperature environments. /Type /XObject A small "m" after the designation indicates that the wet-bulb temperatures should be adjusted to avoid temperatures below 90 F. See the above mentioned publication for details. %3.3 Most species of hardwood lumber can be safely dried this way, once the moisture content is 20% to 25% or less. Place a sticker at each end, and every 16 along the stack for 4/4 stock. I was hoping someone could point me in the right direction or share experience. I find that unplugging the DH is helpful during the sterilization phase so I can add a second heater, without overwhelming my electrical circuit. This prevents dead spots inside the chamber that experience limited airflow. Place the one inch sections in an oven 215F to 218F (102C to 103C) and dry - usually 18 to 36 hours depending on the oven. Both restrained and control boards were dried to approximately 9 percent moisture content, representative of final in-service condi- tions. The starter blocks should be as long as the stack is wide. I like these starter blocks to raise the lumber a few inches off the floor. squares, handle stock, gunstock blanks) are given for many species. Oregon-based HDE Dry Kilns has launched a new line of small kilns ranging from 2,000 to 12,000 board feet. Add to my manuals. Difficult-to-dry species might not exceed 140 degrees F. Dehumidification kilns are very . Forum Responses 0000004213 00000 n Sorry, preview is currently unavailable. Basically, you don't want all of the air rushing out under the stack, so find a way to redirect it. November 1, 2020. A dehumidification kiln makes sense particularly when the lumber is air-dried first. With a 130 F kiln temperature, sterilization will take 10 to 12 hours (Dry Kiln Operators Manual, 1991). Basically, you dont want all of the air rushing out under the stack, so find a way to redirect it. Sign In Upload. These are rough-saw red oak. The first thing to consider when designing a shed kiln is size. Regardless of size, allow for a 36 door that opens to a hallway of open space. Should I? Would adding humidity at the start, bringing the initial relative humidity rate to 87% as suggested in the table, result in better product or faster drying? Installing a window in a kiln may seem counterintuitive at first, because windows lose more heat than an insulated wall. Made in China, it exudes the classic style of Asian and Chinese cultures, featuring a unique shape that sets it apart from traditional jars. However, if you kiln dry hardwood lumber that has already been air dried, the process is much more forgiving. of this publication is to make available to dry kiln operators and others interested in kiln-drying wood, kiln schedules that are completely assembled and written out for ready reference and easy use. Thicker lumber like 5/4 or quartersawn lumber is naturally more stable. At the end of the cycle I have the opposite problem. Table 1 shows a typical drying schedule for sugar maple. I then manually rotate the fan boxes halfway through the drying cycle. -. Drying small amounts of lumber using a dehumidification kiln is a suitable option for woodworkers even with limited knowledge of kilns. Also check that air isnt escaping around the side baffles or under the stack of lumber. I decided on a dehumidification kiln after reading an article in Fine Woodworking (1991). For end baffles, I use 2-thick rigid foam insulation screwed to the main baffles. Rocky Mountain . This problem is magnified if the lumber is thin or flatsawn. Among the various sizes of southern yellow pine (SYP) dimension lumber, 2 by 4 is produced in the greatest volume. 906 0 obj << /Linearized 1 /O 908 /H [ 710 498 ] /L 501020 /E 6532 /N 45 /T 482781 >> endobj xref 906 12 0000000016 00000 n I can show you the kiln schedules and data. The stickers are uniform in size and usually 3/4" or 1" square. Once the lumber is sterilized, it is ready for the conditioning phase. hb```[@9p(T-3jO:g)@S 4Y]g7l\V!c!$Bf J B@&xcEz8PH@ZHs1/X$qOq,x'x$0.rWg*d XAT10 );9 I'm trying to find a timetable or drying schedule for the basic dehumidification kilns you see on youtube. Kiln drying lumber is a simple, cost effective method recommended for anyone who wants to increase profits by selling dried lumber. In vacuum kiln trials, logs were heated to 56C at 70 percent log radius depth and the temperature maintained for . Matched to one of our L-Series and HT Dehumidifiers they can handle whichever species you are drying, fast drying softwoods to slow drying hardwoods. I am also curious why an initial temperature of 90F would have been selected. Dehumidification kilns from Nyle Systems in Brewer, Maine. How do I convert from the standard kiln schedules in the USDA's "Dry Kiln Schedules for Commercial Woods" and "Drying Hardwood Lumber" to an SDR-type schedule? Job Opportunities and Woodworking Services, Dust Collection, Safety and Plant Operation. This air space is absolutely critical for even airflow, so count on the extra floor space right from the design phase. I have been reading & studying kiln schedules for years too. A pre-hung steel exterior door is ideal in this situation, because it offers weatherstripping and is fully insulated. Projects included design, construction, installation and commissioning of heat-pump based dehumidification equipment for seafood and fish gelatin products, hardwood lumber kilns and laboratory testing. However, you may need more cycles depending on the species, moisture content, and size of the timber. 44. Electrical requirements for a DIY kiln are pretty straightforward, but hiring an electrician is still a good idea. The schedules can also be formulated manually as follows. The first load was started with 60% and this load was started with 78%. I know mixed loads are taboo, but this one worked well, other than the horse chestnut. The velocity through the load is assumed to be between 275 and . In time schedules, dry- and wet . A small electric heater supplies auxiliary heat to maintain adequate kiln temperature. I often buy from sawyers or homeowners at 40% to 50% of retail price. . However, because wood from I selected a 36 outswing exterior door. Kiln schedules are completely assembled and written out for easy use. The T-bars are made from 1/2" galvanized pipe and are attached to the rafters with threaded pipe flanges. Take the electronics out of the kiln, and continue operating the heater and fans during this phase. Page 30 Wood-Mizer Figure 3-4 Drying Schedules Normal Schedule Alternate Schedule Moisture Content Dry Bulb Wet Bulb Dry Bulb Wet Bulb Group 2 Above 45% 90F 85F 100F 97F . This, of course, is gross savings; we must calculate electrical costs to determine the net savings: in this case, about $62. Each layer of lumber is separated from the next by a series of "stickers" or spacer sticks. My kiln schedule starts with running all fans and the dehumidifier for two days, measuring and removing water as it accumulates. But kiln drying may also introduce internal stresses into the woodparticularly if an improper kiln schedule is used, . Thus, a drying program can be adapted according to the characteristics of the kiln load, e.g., species, dimensions, and moisture content. I've been drying hardwood lumber in this Sauno dehumidification kiln for 4 years with excellent results. I recommend a 2 x 3 sliding window with bug screen. Joining end grain to long grain forms the king of joints. Drying lumber too quickly can lead to deep end checking, warping and case hardening. The common lumber name is used throughout. 0000006297 00000 n After two days operating only the fans and DH, I take note of the temperature. hbbd``b` $ &UD\q@u The fact is, most of my stacks of lumber air dry to 15% moisture content before entering the kiln. In contrast, a dehumidification kiln uses a sealed chamber, with only enough energy input to maintain the desired temperature. A lower RH setting will call for the DH to run more often. The store will not work correctly in the case when cookies are disabled. My four main baffles consist of sheets of 1 Styrofoam insulation. Many articles have been dedicated to solar lumber kilns: everything from a simple sheet of Visqueen over a stack of lumber in the sunshine to elaborate enclosures designed for solar gain. These figures hold true for lumber up to 2" thick. Sticker spacing can be increased to 24 apart for 5/4 or thicker hardwood. In larger kilns, the heater may be needed in the latter part of the drying cycle. Reply. Wood-Mizer dehumidification and solar wood kilns range from 300 to 35,000 board feet capacity for drying lumber. Looking at the cost-benefit analysis of a shed kiln can be enlightening. The velocity through the load is assumed to be between 275 and 350 fpm, except for the white woods (including maple, ash, basswood, hackberry) where higher velocities (up to 600 fpm) are desired and acceptable. Add up the amp draw on all the equipment you plan to use in the kiln, including a heater, dehumidifier, fans and steam generator. /Subtype /Image 6. By setting the relative humidity (RH) on the dehumidifier, you can control how often it runs. Milling the stickers square is advantageous over a rectangular cross-section, because no matter how you place the stickers they will form a level stack. Bring your moisture meter to confirm. We proudly stand behind all of our products. Dehumidification: This kiln-drying process requires the use of a heat pump system to remove water from the wood. Omitting the sterilization phase can lead to costly losses from insect damage, so dont skip it. John Baines Reply to Dann Barry 1 year ago (I have found that remotely monitoring the temperature and humidity with a WiFi sensor can be very helpful. temperature. The kiln humidity can be expressed as an EMC, relative humidity, or wet-bulb temperature. 0000000710 00000 n Academia.edu no longer supports Internet Explorer. I have sensors in the kiln for moisture levels & probes in the center of the wood attached to a lignomat moisture meter. For all kiln drying schedules, a heater should be used to sterilize the lumber and kill any insects that may be present. Select a heater with an adjustable thermostat and a tip-over shutoff. . KD150 Series dehumidifier pdf manual download. 1998. by Dr. Eugene Wengert. With a well-designed dehumidification kiln, hardwood lumber can be dried for mere pennies per board foot. Understand how kiln performance must be modified to permit the use of custom schedules for specific product applications; Be able to modify existing conventional kiln schedules to dry products in dehumidifier kilns; Recognize degrades common to various species, including hardwoods, and modify handling practices to minimize these Small, complete dehumidification dry kilns under 5,000 board-foot capacity are not available for sale. Diy dehumidifier kiln time table. For equalizing, use an EMC 2% below the target MC at a dry-bulb of 170 F. For conditioning, use an EMC 4% above the target MC at a dry-bulb of 180 F. Professor Gene Wengert is Extension Specialist in Wood Processing at the Department of Forestry, University of Wisconsin-Madison.

Kodak Employee Perception, Seattle Mariners Front Office Salaries, Is Specialized Diverge Tubeless Ready?, Articles D

dehumidification kiln drying schedules

dehumidification kiln drying scheduleslife size wine glass for photoshoot