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[Construction Section 150]

GYPSUM IN RENOVATION

When renovation work is stucco plaster used to small cracks and holes in the walls to close. The new building will gypsum plaster or plaster board used to rough and uneven masonry a brush and for works, of such as wall paper, prepared a quickly and ready surface.

In addition, many screeds based on a base made of plaster. Static not burdened dividing walls are now often from plasterboard with metal under construction or from plaster wall panels.

GYPSUM IN INSTALLATION

In addition, gypsum to fasten boxes for electrical installations in the body shop walls. The speed of the bonding is alkaline formulations for example Gypsum plaster by adding wine or citric acid regulated. Neutral formulations with protein compounds can be delayed. The acceleration of the bonding process is usually by the addition of potassium sulfate or finely ground gypsum.

GYPSUM IN FIRE PROTECTION

In structural fire protection used plaster preferred because it is relatively low weight in a big fire resistance. The protective effect of the crystal waters of the Dihydrats, in the case of fire evaporates and on the side facing the fire a protective veil steam.