Sheets of gypsum drywall is a product of the plaster alone or with mineral additives, lined with cardboard on both sides. The length of such sheets - 2500, 2700, 2900 and 3300, width - 1200 and 1300, thickness - 10 mm and 12 mm, which allows a house brick wall with a minimum of joints.
Fibreboard thickness from 3 to 8 mm and are of various sizes.
By the wooden surface of the leaf nail with a broad hat. If the surface negvozdimye - brick, stone, concrete, the slabs or sheets are not nailed, and glued with mastic, prepared from various materials animal glue, gypsum, lime, sawdust.
To prepare the plaster on the lime-putty adhesive solution, small pieces of animal glue with cold water and left for swelling for 15-16 hours can use the liquid glue (galerta). The amount of water taken from the calculation of 2,5-3 liters per 0.5 kg of dry glue or 1 kg of liquid glue.
After swelling of the adhesive was added 1 kg of lime paste for the tile adhesive and 2 kg for galerty. This composition is cooked in a steam bath or on low heat for 5-6 hours, stirring carefully. After cooking in the resulting mass is poured around 100 liters of water, mix thoroughly. At this solution shuts gypsum. Mastic is grasped in 50 min. For fixing a m2 drywall requires 2.5 kg of dry glue and 4 kg of gypsum.
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