Wood Safety

People loved the use of wood, one of the important reasons is that the warmth of wood, texture and itself has a good personality and ever-changing, but also reduce the noise. Compared with other materials, in wood, green environment, the resulting stress is relatively small. This is why people are more willing to wood trails, pavilions and other places in the rest reasons. In recent years, the hot corrosion of wood, but also people are a reflection of the pursuit of comfort.
Maintenance of the level of difficulty and cost of timber, when considering the use of which should be a comprehensive account of the cost, it is necessary to consider the acquisition cost of construction, but also consider the use of the process of repair, maintenance, and replacement costs. If you are using antiseptic of wood, you can remove the use of wood in the process of inspection, maintenance, and replacement costs. Even if the use of antiseptic wood than ordinary lumber initial (purchase) costs higher, but later the use of cost (ie, inspection, replacement cost) than can be completely negligible.

In the decision to use ordinary wood or using antiseptic of wood, in addition to considering the two kinds of wood and the difference in material costs, but also should be considered in the course of timber inspection, maintenance, repair, replacement of the degree of difficulty and cost. Such as building trusses, usually in a closed condition, does not facilitate routine inspections of wood decay, moth-eaten situation, once the timber due to Zaoxiu damage, repair and replacement costly. Similarly, the basis for concrete or masonry timber, because it is the bridges, housing and other building elements as part of the construction is completed, it is difficult to examine the status of moth-eaten wood preservative, but once a timber problems, need to be replaced , you may need a large portion of this building structure can be demolished and this way, the replacement cost will be very alarming.

Wood used in outdoor or landscape, such as make outdoor furniture, flooring, trails, fences and so on. If you choose a very good natural durability, service life of up to 25 years, some of the tropical broad-leaved wood (sometimes also called hardwood), not embalmed, but also something that has not. However, the price can be very expensive, and the quantity (resources) are extremely limited. Therefore, the use of antiseptic timber is an ideal choice.

Natural decay of wood, such as red cedar, cedar, etc. heartwood production of wood components, wood products, generally available under conditions of semi-protected applications, such as the construction side, or economic losses of timber damage to the case of very small use, such as outdoor furniture.

Most of the wood or wood products users interested in the reason for anti-corrosion and corrosion end-use timber, the other main reason is that anti-corrosion treatment can effectively reduce the wood or wood components of the maintenance costs. In other words, the use of antiseptic timber, with economy. The United States has on the use of antiseptic timber economy made a detailed study, and developed mathematical models, including the service life of timber, the replacement cost of wood, anti-corrosion treatment costs, which the selection of ordinary wood or antiseptic timber provides a quantitative scientific basis.

Replacement of wood components, parts and other products costs include material costs, transportation costs, labor costs and other direct costs. If the timber will be temporarily removed to replace part of the building or facility, replacement and then recovery, then the labor costs would be even greater. In addition, also includes a number of indirect costs (or hidden costs), such as public facilities (including poles, sleepers, etc.) and public buildings (including the chamber hall, restaurant, gym, etc.) to provide services to the temporary cessation of the loss of income .

The need for anti-corrosion treatment of wood, not only with the use of wood bio-hazard degree and rank correlation, but also with the wood structure, wood components, parts, etc. The level of security requirements, the economy is closely related to fitness. Wood-preserving treatment will increase the cost of some additional use of high natural durability of wood, will increase the cost of certain additional. This extra cost (a cost), consumers and users can and wood structures or structural damage caused by maintenance costs (secondary costs) to compare and make appropriate choices and balance.

If a use, the needs of life is very short, or replacement of very cheap, you do not need to use antiseptic timber. While others use, decadent, and moth-eaten wood damaged cause it is difficult to repair or maintenance costs high, or will be user-generated life-threatening risks, or wood products, wood structural integrity (integrity) will be undermined , it would take use antiseptic timber. Wood Preservation treatment need to be divided into four, see end of text table.

The use of antiseptic timber occasions we have a certain understanding of corrosion-resistant timber, such as Phoebe non-perishable, camphor is not perishable, so they are often used to produce high-grade before the coffin, wooden boxes. It should be clear is that Jude Biao 30cm below the ground, due to very low oxygen content, relatively speaking, biological hazards should be lighter than the surface area, while the wooden box (mostly clothes boxes, jewelry boxes, etc.) used in the room and not with the way contact conditions, the lesser the degree of biological hazards. Timber used in ancient buildings, most of them have stone foundation, and the design of a well-ventilated, in a situation exposed wooden structures, often have a number of waterproof, anti-corrosion measures and therefore the degree of biological hazards are not very serious. Contact with water if the timber or risk the chance relatively large, then the degree of biological hazards will increase. With the ground surface contact with the occasion, including many outdoor applications, however, bio-hazard more serious and need to use anti-corrosion service life of timber can be achieved and the use of the corresponding function.

Now the use of antiseptic timber divided into 4 categories, the construction of regular contact with condensed water or rain water, wooden building blocks or components, including: keel floors, bathroom walls; freezer framework, cover / Wang Ban, doors, door frames, window frames, etc.; in the swimming pool or around the use of wood, including the roof; for construction in the poorly ventilated location (or room) of wood, such as the roof; building of large numbers of personnel in the room and sometimes a large number of officers gathered in a room, not only promote the condensation of water in the air, but also the safety of structural components requiring high: "wet" industries and "wet" commercial buildings, namely high humidity, workshops, factories, public places, such as the laundry room (workshop), bathroom, cooking workshop; by rain splash of wood components or components.

Other species including human safety is very important components, such as bridges, barriers, bulletin places stairs, handrails, etc.; difficult to replace (or the replacement of high cost) of timber components, such as the wooden structure housing the use of wood components; outdoor use of wood, such as landscape gardening timber.

Antiseptic timber whether physical harmful?

The use of wood preservatives to be for the appropriate object (timber or wood-based panels or engineered wood), at the appropriate time (which occurs before the corrupt degenerate) with a choice of an effective preservative products, using the appropriate concentration, with the right approach , so that the pharmaceutical timber to maintain the correct amount of wood products treated with preservatives to use environment is correct (the correct application).

Borax is a very low toxicity wood preservatives, and even recognized as a non-toxic wood preservatives. Borax is also the manufacture of medicated soap, glass, ceramics and other materials on the skin has some healing effect, but boron is also present in the human body, but boron is a limited element of the human body, the human body if the intake of too much borax, will cause the dirty accumulation device poisoning, boric acid, after entering the stomach will stimulate gastric acid secretion, serious people will stimulate the stomach nausea, vomiting, diarrhea and other symptoms, it can not be unlimited application of borax.

Need to be reminded that the reason why the natural durability of wood with a certain degree of decay or termite resistance, because in his heart there are some toxic components of wood, in wood science in the timber called "extract." Due to the presence of toxic components, but these natural durability of wood sawdust, saw powder may also cause some people allergic skin rash, breathing difficulties and other health problems. When the sawdust to form a dust concentration is high, or poorly ventilated room, particularly when. In this connection, the same as with the antiseptic timber. Therefore, in the processing of natural durability of wood, they must take and processing of timber, the same persons anti-corrosion protection measures.