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Standard dimensions of the pieces of wood

Monday 2 April 2012,
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Here are the dimensions (sections and lengths) commonly available in great area of DIY and traders

Prices are given as a guide, so that you can make a first estimate for your project. Should adapt these rates to the local conditions.

Can you use wood treated superficially, classes 2 or 3?

The wood sold in GSB are all treated. The minimum is in induction surface; This often gives a yellow or orange color. These products are leachables and are ineffective in the medium term.

Moreover they are toxic to the affected product protection is not steeped in heart. It happened to me to manipulate these wood without gloves and each time I felt like a burning, itching. And yet, I have no allergic land.

In reality, this treatment is useful for the merchant, the duration of storage before the sale to the customer. Moreover, you will find that these products are not guaranteed unlike wood treated in an autoclave cl. 4 they are guaranteed for 10 years.


What of autoclaved class 3?

Some GSB sell class autoclave treated products 3. It is curious. While we arrive without any difficulty in class 4 without significant additional cost. Then why this wood is class 3 only? one may suspect that the wood used is of poor quality (soft essence, presence of sapwood, etc.).
For economic and ecological reasons, it is preferable to use the wood naturally in class 3, such as Douglas-fir or larch.


Examples of wood found in GSB

I have retained primarily class 4-treated wood. For wood of class 2 or 3, it is preferable to choose non-treated wood (ex: Douglas in class 3)

| Name | Section (mm) | Length | Treatment [1] | Identified price [2] |
| Chevron | 60 x 70 | 4m | cl. 4 | R | 10,90 € [3] |
|^| 50 x 75 | 3m | cl. 4 | B | 5,35 € [4] |
| Bastaing | 58 x 145 | 4m | cl. 4 | R | 23,10 € [3] |
|^| 63 x 160 | 3m | cl. 4 | B | 15,55 € [4] |
| Plank | 75 x 225 | 3m | cl. 4 | B | 20,90 € [4] |
| Post | 90 x 90 | 2 m 40 | cl. 4 | R |14,95 € [3] |
|^|^| 1 m 80 | cl. 4 | R | 10,35 € [3] |
|^| 70 x 70 | 2 m 40 | cl. 4 | R | 8,65 € [3] |
|^|^|1 m 80 | cl. 4 | R | 5,60 € [3] |
| Board | 27 x 250 | 4m | cl. 4 | R | 12,45 € [3] |
| Lath | 14 x 105 | 2m | cl. 4 | B | 1,85 € [4] |
|^|^| 3m | cl. 4 | B | 3,20 € [4] |


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Footnotes

[1<5>According to risk class. A class 4 is necessarily treated in an autoclave.] ] | R/B [[<1>A: Rabote, B: sawing gross

[2<2>Price in a few BP in 2012. One can easily find cheaper.] ] |
| Lambourde | 38 x 60 | 3m | cl. 4 | B | 3,20 € [4] |
| 1/2 Chevron | 33 x 58 | 4m | cl. 4 | R | 6,65 € [[<3>Survey in GSB.

[4Survey in GSB B


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