How does wood behave when exposed to moisture?

How does wood behave when exposed to moisture?

Wood shrinks when it dries and its moisture content is below the saturation range. Accordingly, as the wood becomes wetter, it will no longer expand after it reaches the saturation range. The saturation range of the most common Finnish tree species is around 30% at +20C.

What moisture content should furniture wood have?

For example, construction timber allows a wood moisture content of 15 3%, for woodwork outdoors approx. 12% wood moisture content for furniture in heated rooms with central heating approx. 8% with stove heating up to 10%. These values ​​apply to the processing of wood.

Which wood for damp rooms?

Types of wood that do not react too strongly to moisture, such as oak, walnut or Douglas fir, are suitable for damp rooms. Types of wood that swell and shrink a lot, such as beech, are unsuitable. Most tropical woods also cope very well with moisture.

In which directions does wood work?

Wood works most tangentially, i.e. in the direction of the annual rings, less radially, i.e. transversely to the annual rings and least along the wood grain.

In which direction does wood swell?

The swelling and shrinking of wood is a physical process. If wood releases moisture to its surroundings below its fiber saturation range, it will shrink. Conversely, wood swells when it absorbs moisture from the environment below its fiber saturation range.

Which wood works the most?

These woods include, for example, beech and maple. On the other hand, most of the exotic species (merbau, doussie, jatoba, etc.) or the local oak are particularly climate-stable.

Which wood is particularly weather-resistant?

Oak and larch are characterized in particular by their weather resistance. Hardwoods such as maple and acacia, birch, beech, oak, alder and ash, as well as cherry and walnut are suitable for furniture construction.

Which wood is best for fences?

Which type of wood is recommended for a wooden fence? Most wooden fences are made of pine and spruce. These types of wood are moderately durable outdoors and wood protection is therefore recommended. An effective wood protection is either a pressure impregnation or a high-quality glaze with an active ingredient.

Which wood is best suited for the roof truss?

A carpenter prefers to use spruce, larch or pine wood for the roof structure.

How long does a wooden roof structure last?

The roof truss itself lasts forever if water and insect infestation don’t affect it. Wood can last for many decades, if not permanently wet, decking material for several decades, depending on processing and stress.

What boards for attic?

In the attic, real wood, such as rough tongue, is always preferable to glued OSB panels. Sealed floor surfaces can also adversely affect the thermal room climate and behavior of the roof structure and attic due to the ventilation situation.

How much does construction timber cost?

At HolzLand.de you can get KVH per running meter from a price of around 1.15 euros. Here, too, the beam dimensions determine the costs. Since you usually cannot transport solid construction timber with your private car, the HolzLand dealers will deliver the order to your home.

How much does a squared timber cost?

PromotionRough sawn timber 4.0 m / 60 x 80 mmPrice: €1.67 / running meter incl. 16% VAT Basic price PU: 4.00 running meter / €6.68 incl. 16% VAT.Pine/ fir Item no.: BHKR-400Order item Shipping time: 10-14 business days

How much does a beam cost?

Overview of prices for wooden beams As a guide price, one can assume that simple construction timber – spruce wood – usually costs around 10 – 15 euros per running meter as 12 x 12 cm squared timber, and as 16 x 20 from as little as 25 euros per running metre.

How much does a cubic meter of lumber cost?

Timber prices Price list incl. 19% VAT. Planks raw 40×120 mm rough-sawn 2-3 euros per rm. Squared timber raw 10×10 cm rough-sawn 4.5-5.5 euros per rm. Squared timber raw 12 × 12 cm rough-sawn 6.5-7 .5 euros per running meter. Raw formwork 24×100 mm1-1.5 euros per running meter.12

How much does 1 m3 of spruce wood cost?

When it comes to sawn timber, spruce wood can usually be expected to cost between EUR 400 and around EUR 650 per m³.

How much does lumber cost?

Promotional Nordic Rough Spundfrom 11.02 €click here >>Construction solid woodfrom 1.89 €click here >>Squared timber impregnatedfrom 1.71 €click here >>Rough squared timber from 1.67 €click here >>Roof battens DIN 4074-1from 1.11 €click here >>21

How much does a cubic meter of spruce cost?

Depending on the quality class, sawn spruce wood costs between € 400 and around € 650 per m³.

How much does spruce logs cost?

20m long on average, i.e. 100 euros/sm³ for the whole trunk. The fir 90 euros.

How much does 1 cubic meter of pine wood cost?

When it comes to sawn timber, you can generally assume around EUR 300 – 350 per m³ of pine wood for the inferior qualities (class I/II). Higher-quality wood usually costs between 450 and 550 EUR per m³.