the Botanical name - Alnus sp.pl.
The German name - Erle, English - Alder, Italian - Ontano.
Trees from family berezocvetnyh (Betulaceae). Reach heights to 35 metres and a thickness of a trunk 40 - 50 centimetres. Grow in all Europe, in Asia Minor and the North Africa. For Russia matter: Alnus glutinosa L., a black alder - a large, most widespread tree with wide, vyemchatymi on
To top, brilliant dark green leaves; Alnus incana L., a white or grey alder
- A small tree, more often - a large bush with a smooth bark of a trunk and sinevato - or the glaucous leaves pointed at top.
Zabolon' and mature wood differ a little: they light or have krasnovato - an orange shade. In a middle part of a trunk often there are brown sites. Year rings are expressed poorly.
Alder wood does not differ durability, but has uniform enough structure facilitating processing. Wood structure thin, uniform. It is a little steady against fungi and wreckers, but well gives in impregnirovaniyu. Equal and thick trunks go on hand-made articles, for joiner's and turning products. Outgrowths having very beautiful structure (kapy) on alder trunks are especially appreciated. Alder wood long remains under water and consequently application for small underwater constructions finds. In drying an alder
- One of the breeds steadiest against deformation. Under the influence of light and air alder wood darkens. Before a covering poliuretanovymi varnishes drawing of the first coats excluding «podjig» wood is necessary.
Volume weight in an air-dry condition: 420 - 640 kg/cubic metres