Category Archives: Materials

Fire-clay fittings

In the construction of a tiled stove, chamotte materials of the so-called 'pottery quality' are used.. Raw materials are mostly raw fireclay, clay, kaolin and syenite. Depending on the … read on

Substrate for bituminous shingles

Substrate for bituminous shingles

The substrate should meet the following requirements:

– have such strength and stiffness, to under the influence of external pressures (for example. going) there was no damage to the roofing,

– its surface … read on

Stress corrosion of materials

Corrosion of the material in a state of stress, so-called. stress corrosion, is a very complex phenomenon, occurring under the action of long-term continuously operating loads. For steel stretch elements, like. anchors, downloads, accepting struts … read on

Partition walls

Partition walls with plasterboard sheathing can be built on a structure made of width profiles 50, 75 or 100 Mm, with single or double plasterboard cladding.

Characteristic … read on

Sound insulation

Noise hazards
Noise is a common phenomenon (at work, at the place of residence and rest), which causes many negative effects on human health. Health problems, which may arise as a result … read on

Cellulose fibres

Cellulose fibres (bulk material)

For the production of cellulose fibers, newspaper waste paper is used, from which cellulose fibers are recovered. The material is impregnated with boron compounds and compacted in packages up to approx.. 150 … read on

Impregnations

Impregnation consists in even and deep soaking of wood with the preparation to increase its durability. Preparations are available, that act prophylactically and protect wood and such, which have a healing effect – … read on