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TOTAL SCREED 01 Grey (20kg)
FREE
Description:
Total Screed is a high quality premixed water resistant cement based plaster intended for block walls, ceilings and other rendering in thick layers. It is especially suitable for replacing of conventional cement and sand render as well as gypsum plaster and no lath is needed except at the junctions of block walls, columns and beams. Total Screed is applied manually and is suitable for dry and wet areas in both interiors as well as exteriors. Total Screed should not be used on painted surfaces.Total Screed gives an excellent yield which surpasses conventional sand cement plasters. Total Screed is free of salts like sulphides, chlorides etc and an ideal replacement for cement-sand plasters, especially in coastal areas.
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Uses
For application as either a high build internal or external crack resistant plaster.
Advantages
Internal shrinkage control mechanism.
High build in single pass.
May be hand or machine applied.
Permits a high quality finish to be obtained.
Long life in plastic packing if stored properly.
Preparation
The substrate shall be made free of coatings, laitance, oil, grease, dust or any other deleterious substances. Sufficient clean water shall be sprayed on to the substrate to achieve a “saturated surface dry” condition (SSD) immediately prior to commencing application work. Highly absorbent surfaces (aerated blocks, calcium silicate blocks etc) shall be primed with Nitobond SBR diluted with water at a 1:1 ratio. Cast concrete surfaces shall be chipped to provide a mechanical key prior to rush coat and plaster application.
Application
The substance should be prepared in such a manner as to provide a sound mechanical key. If so required, the substrate may be primed with a rush coat made by mixing approximately 5-6 litres of water with a 20kg bag of Total Screed to produce a thin slurry. The rush coat shall be applied at a thickness of between 1 to 4mm and allowed to set for 48 hours prior to the application of the plaster. To mix the plaster, charge a mechanical mixer with 3 to 4 litres of water per 20kg bag of product and slowly add Total Screed. Mixing shall continue for a minimum period of 3 minutes or any such longer period as required. Alternatively, a plaster mixer pump with automatic water feed may be employed. When mixed, Total Screed may be applied to the substrate either by pump or trowel as appropriate. An application thickness of up to 25mm may be achieved in a single pass, if required. Higher build single pass applications may be achieved if projection spray equipment is employed.
Coverage >50-68 SQM
Storage
5 Years if stored in original unopened packs in a cool dry environment with low humidity. Any change to the recommended storage conditions could reduce shelf life.
