scratch coat


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scratch coat

[′skrach ‚kōt]
(engineering)
The first layer of plaster applied to a surface; the surface is scratched to improve the bond with the next coat.

scratch coat

In three-coat plastering, the first coat of plaster, which is then scratched to provide a bond for the second (brown) coat.
References in periodicals archive ?
Tenders are invited for Work includes milling several streets, installation of inlets, pipes, application of scratch coat superpaving, and application of 1", 9.
Generally, stucco is built with four separate coats--two base coats (the scratch coat and brown coat) and two finish coats (the wash coat and dash coat).
3000 mAO EIFS with dickschE[degrees]chtigem, mineral scratch coat and stepped profiled, wedge-shaped LaibungsflEnchen with a thin layer, fine-grained Filzputzstruktur (about 400 mAO); flush transitions and height adjustment by double armor layer in the fine-grained FilzputzflEnchen.
Thermal insulation system with fire bars and window sills as cast stone precastEIFS with dickschichtigem, mineral scratch coat and stepped profiled, wedge-shaped LaibungsflEnchen with Thin, fine-grained Filzputzstruktur; flush transitions and height adjustment by double armor layer in the fine-grained FilzputzflEnchen;Thermal insulation made of EPS insulation boards or MW A1.
In particular, the following tasks are performed - 2,900 sqm mastic asphalt screed IC10, EC;- 2,400 sqm scratch coat mastic asphalt;- Grind about 350 square meters poured asphalt.
Thermal insulation system with fire bars and FensterbaEnnke as precast concrete blocks;: Window sills cast stone copings: make, supply and installation of cast stone benches and covers as finished parts in various lengths and cross sections, total about 550 m;: 3000 sqm with EIFS dickschichtigem, mineral scratch coat and stepped profiled, wedge-shaped with LaibungsflEnchen Thin, fine-grained Filzputzstruktur (approx 400sqm); flush transitions and height adjustment by double armor layer in the fine-grained FilzputzflEnchen.
For stucco applications, the unit handles scratch coats, brown coats and finish coats.
For stucco applications, the unit handles scratch coats, brown coats and finish coats; in EIFS applications, it conveys air/water-resistive barrier materials and base or finish coats.