Regular supplies can be ensured regardless This method of seasoning timber is cheap and simple. } To reduce the adverse behavior of woods. Note that the stack fits tightly into The thick end of the wood is kept pointing upwards. THE ADVANTAGES OF TIMBER Timber is worth more than you pay Timber is worth more than you pay Whether an article is cheap or expensive depends on what one can achieve with it and the cost of the alternatives. Advantages: Exact moisture content achieved, More control over seasoning, Uniform circulation of Air. The timber wood does not get corroded when it comes in contact with the salt or chemicals. Timber is one of the few natural, renewable building materials. drying “degrade” (defects) is reduced). Timber can be used for so many purposes, but has some advantages and disadvantages. .Heading-3-P Shrink: Chances of shrinkage are also there during the drying process of kiln wood. It reduces the possibility of fungi and insect attacks. Thus, the handling of timber becomes easier. To change and improve the properties of wood. font-family:"Arial", sans-serif; font-size:13.0px; line-height:1.23em; font-family:"Arial", sans-serif; font-weight:700; font-size:16.0px; At first, a platform is required that is built on the ground at 300mm height above the ground. Table comparing the time taken (in days) to dry 1 inch (2.54 cm) stock. .dropdown-content a { } Thus in this method alternating current is used for drying the cells of wood by creating heat. a:active {color: #450003;} } margin:0.0px 0.0px 0.0px 0.0px; text-align:center; font-weight:400; Advantages of Artificial Seasoning of Timber: In artificial seasoning, the drying is fast and uniform. font-family:"Arial", sans-serif; font-style:italic; font-weight:700; Considering its usefulness timber is cheap. Versatility and Durability. Reduction of moisture using salt solution is called chemical seasoning. Timber becomes lightweight after seasoning. • Kilns are very expensive (high initial investment). Seasoning of timber is done to fulfill some specific requirement. Reasons for Timber Seasoning. font-weight:400; .Normal-P } Types, Properties, Manufacture, Advantages & Disadvantages of MDF - Fiber Board, What is Blockboard? } if ((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i))) { In fact timber often gives the means of arriving at the cheapest solution. a:hover {color: #94090d;} } Posted 29th March in Uncategorized. To prevent fungal infection logs are treated with petrol or gasoline. • Kilns are faster. The timber wood is having the straight wood grain texture and that is why designers and the artisans feel easy to work with it. After the absorption of water by the solution logs are let to dry. font-family:"Arial", sans-serif; font-size:27.0px; line-height:1.22em; Give two advantages that air dried timber seasoning has over kiln dried timber seasoning.Answer: a) The end product of air dried timber is less expensive. overflow: auto; (iii) It is uneconomical to provide artificial seasoning to timber sections thicker than 100 mm, as such sections dry very slowly. The advantage of this system, although much larger, has a continuous flow of seasoned timber coming off line. columns and comparing the total to the time given in the third column (for kiln drying Other articles where Air seasoning is discussed: seasoning: …most common seasoning methods are air seasoning and dry-kiln seasoning. { a:link {color: #0000ff;} Correctly controlled the drying Here the moisture content of the wood is measured the other pages: There is increasing computerisation in industry, and (fortunately) increasing importance margin:15.0px 0.0px 15.0px 0.0px; text-align:center; .Body-C .Normal-C0 .dropdown { } Well -seasoning timber is ready to use. The many virtues Using this method quick drying is obtained. It is uneconomical to provide artificial seasoning to timber sections thicker than 100 mm, as such sections dry very slowly, hence such thicker timber sections are usually seasoned by the process of air seasoning. When the drying is done in a kiln, the product is known as kiln-dried timber or lumber, whereas air drying is the more traditional method. { The more rapid As electricity is used, it’s called electrical seasoning. background-color: #91A965; { alone is about 18%. is vital! display: block; { 2. .Normal-C2 } wood and changes to the next schedule stage as necessary. //--> “Rush” orders can be met. font-family:"Arial", sans-serif; font-weight:700; font-size:21.0px; Seasoning of Timber and Drying of Wood - Types and Methods. { • Air seasoning is at the mercy of the elements. .dropbtn { By seasoning, some common known qualities are improved which are mentioned below: Following precautions must be taken during seasoning of timber. .Normal-C6 These are: Following tree diagram can be used to illustrate all the methods of timber seasoning. the moveable trackway by which means the stacks of timber can be moved from a storage display: none; display: inline-block; (iv) This method of seasoning timber is cheap and simple. { the kiln to avoid the possibility of circulating air “short circuiting”. position: relative; being given to quality control. } • Kilns can dry to lower moisture contents than can air seasoning – in fact we must .Heading-1-P Moisture should be extracted almost at an equal rate from all logs because differentiated dryness causes irregular shape. Since seasoning is done at a lesser time through artificial means so the quality of wood is inferior in comparison to seasoned wood through natural seasoning. { Here an operator periodically checks the moisture content of the Quick method. line-height:1.21em; background-color: #f1f1f1; } It is often chosen due to its good lasting performance and natural appearance, depending on timber type/grade. } } To get regular update and new article notification please subscribe us. conditions produced and maintained in a kiln reduces losses of timber due to degradation The information provided should not be used as a substitute for professional services. color: black; Removal of wood sap immersing logs into water flow is called water seasoning. Boiling seasoning; Kiln seasoning; Chemical seasoning } font-family:"Arial", sans-serif; font-weight:700; font-size:27.0px; 4. .caption-P { margin:12.0px 0.0px 0.0px 0.0px; text-align:left; font-weight:400; A stack of timber being moved into a kiln. The moisture content can be reduced as per requirement. margin:15.0px 0.0px 15.0px 0.0px; text-align:justify; font-weight:400; text-indent:-24.0px; } Exposing the woods to air for seasoning. when kilning and can be very expensive! Disadvantages: Expensive to set up, Skilled operator needed, … In dry-kiln seasoning, the wood… A well-seasoned timber contains moisture about 10-12% of its dry weight. { Moisture content in wood can be reduced to the desired level due to the artificial seasoning. } .Default-P body {margin: 0px; padding: 0px;} ADVANTAGES: Quicker due to higher temperatures, ventilation and air circulation Achieve a lower moisture content Defects associated with drying can be controlled Allows more precise rates of drying for various timber species and thickness of boards } It will take 2 to 4 weeks of time and after that, the timber is allowed to dry. { • Kilns can provide sterilization of insect or fungal infected timber. 3. steaming improves the colour of e.g. Kiln seasoning can be done by 2 processes such as:-. Seasoning of timber. Please note that the information in Civiltoday.com is designed to provide general information on the topics presented. Strength:. BUT mistakes can be made very rapidly of the season of the year. The environment for this need to maintain some conditions. “Rush” orders can be met. { Freshly felled timber contains moisture 100 to 200% of its dry weight. Water Seasoning of Timber. .Body-P Secondly, the arrangement of woods in layers. There are many different elements that can damage wood, including potential rotting, parasites, fungi and insects. 2) Kiln Seasoning. A clean, shady, dry, cool place is preferred. beech (as well as sterilising, reducing degrade, 4. Seasoning of timber or simply Timber seasoning is the process of drying timber or removing moisture or sap, present in a freshly felled timber, under more or less controlled conditions. giving easier machining and better stability). line-height:1.22em; It can cause a problem in gluing or finishing or corrosion while using. font-family:"Arial", sans-serif; font-weight:700; font-size:27.0px; } Sometimes logs are coated by the impermeable substance to reduce extreme moisture. font-family:"Arial", sans-serif; font-size:21.0px; line-height:1.19em; As wood dries, the stiffness, hardness and strength of the wood increases. Timber also benefits from its natural growth characteristics. Disadvantages :Takes longer than Kiln seasoning. .Body-P1 The more rapid The hot air speeds up the rate of evaporation of moisture from the wood, hence accelerating drying rate. For example, grain patterns, colours and its availability in many timber spices, sizes and shapes, makes it a remarkably versatile and aesthetically pleasing material. Drying is done after proper boiling. To improve the quality oil coating, thick paint coating is maintained. font-family:"Arial", sans-serif; font-weight:700; font-size:19.0px; .Normal-C3 This proves that timber will always be a staple in the construction industry, but with any building material, it does have its advantages and disadvantages which we have taken a look at below. A well-seasoned timber contains 15 % moisture. 1.2. { position: absolute; Kiln seasoning accelerates the process of seasoning by using external energy to drive the moisture out. Seasoning of Timber or Drying of Wood Wood drying also seasoning lumber or wood seasoning reduces the moisture content of wood before its use. { Following are the advantages of kiln seasoning of timber: 1. { Seasoned timber should be protected from exposure to the rain and excessively high humidity during air seasoning. Also note During seasoning, the moisture should be removed under an environment maintaining conditions. The timber seasoned by this method is less liable to shrinkage. Note, it After that, the logs are allowed to dry. Hot air, at predetermined relative humidities and temperature is blown into timber stacks in a kiln. State two advantages and two disadvantages of Artificial Seasoning. This is the modern method of seasoning any type of timber in … .dropdown-content { To change and improve the properties of wood. the oversized timbers used in building the frame mean that your home will be much stronger and last longer than an ordinary house. It is an uneconomic process as a high rate of electricity is consumed. .show {display: block;} line-height:1.25em; .Body-P0 { It is carried out on the banks of the river while thicker ends are kept towards upstream. drying also reduces the propensity to bio-, Systems used to Control Timber Drying Kilns. However, air seasoning also has it’s costs: • Capital is tied up in the necessary large stocks of slowly drying timber. 1. font-family:"Arial", sans-serif; font-style:italic; font-weight:700; A line of modern timber drying kilns: warm, wet air is being exhausted from the kilns. Click the button for Links to color:#d40d12; Artificial seasoning. } Also, the high temperatures used in artificial seasoning will kill most if not all of the living organisms that are in the wood. It increases the resistance to shrinkage, cracking, warping and even decay. Therefore, defects in timber such as shrinkage, cracks and wrapping are minimum. , (Continued from Timber Kiln Drying Equipment). To increase the strength. } margin:0.0px 0.0px 12.0px 0.0px; text-align:left; font-weight:400; margin:0.0px 0.0px 15.0px 24.0px; text-align:justify; color: blue; margin:32.0px 0.0px 4.0px 0.0px; text-align:center; font-weight:400; 9.5.3.3.1. It takes a short amount of time. Benefits of using timber in construction. --> font-weight:400; { Followings are the reasons to perform timber seasoning. { } { Advantages of timber are: it is a renewable recourse, it is very strong, looks good, can be recycled into something else easily, is easy to work with, amongst other things. What is Marine Plywood? .Normal-P0 To make a correct percentage of shrinking of woods. } } line-height:1.22em; color:#450003; 4. Find out How Kilns are Used to Dry Timber to avoid Common, Costly Drying Defects. electrically and the equipment automatically selects the next stage when required. { Generally, 3-4 hours is good enough. { Artificial Seasoning of Timber (Kiln). • A lot of expensive stickers are required. The stack is slanted to facilitate drainage of rain. .Normal-C Artificial seasoning will dry up the sap that creates an environment for fungi and parasites to live in. .Normal-C1 Here the change in drying environment is made at pre-. .Heading-2-P Air Seasoning: green to 20%                 Kiln: 20-6%                         Kiln Uses of Marine Plywood, Seasoning of Timber - Reason - Methods - Benefits, Plywood Manufacturing Process - Step by Step, What is MDF wood? Water seasoning is the process in which timber is immersed in water flow which helps to remove the sap present in the timber. font-size:24.0px; line-height:1.21em; color:#d40d12; 2. margin:0.0px 0.0px 0.0px 0.0px; text-align:left; font-weight:400; The weight of lumber will be reduced by 35 percent or more by removing most of the water in the wood or, as we say, by " seasoning." Disadvantages: Slow, No control over final MC, MC of only 18% achievable, Weather dependent, Boards prone to fungus/insect attack. Seasoning by boiling wood logs in hot water is called seasoning by boiling. Water seasoning of timber. color:#ff0000; Artificial grass or synthetic grass as it is commonly referred is a surface made up of synthetic fibres coated with silicone protruding from a polypropylene base that is manufactured to look like natural grass. water and air seasoning. Timber Drying - Fundamentals Concepts and Definitions, The Structures of Softwoods and Hardwoods and their effect on Wood Drying, An Introduction to the Air Seasoning of Timber, Advantages and Disadvantages of Air Seasoning of Timber Compared to Drying, Advantages and Disadvantages of Air Seasoning of Timber compared to Kiln Drying, Air Seasoning: green to 20%                 Kiln: 20-, Oak  240 – 360                                       6-, Beech  150 – 200                                   5-, Spruces  45 – 90                                    3-, • Kilns can provide sterilization of insect or fungal infected timber.