AG T32

Substrate type
Walls made of bricks, ceramic and silicate blocks, cellular concrete blocks, as well as walls and ceilings made of prefabricated concrete components. Old, not weathered cement-lime plaster.

Substrate preparation
The substrate must be clean, sound, dry and free from dust and greasy spots. Patch any defects and irregularities with ALPOL gypsum plaster no later than an hour before plastering. Surfaces exposed to scratching, e.g. adjacent structural material, corners of door/window openings etc., should be strengthened with 8 x 8 or 10 x 10 mm fibre-glass reinforcing mesh, embedded in the gypsum plaster. Strengthen loose surfaces with ALPOL AG 700 deep-penetrating primer. At least 24 hours prior to the application, prime concrete substrate with ALPOL AG 702, and highly absorbing substrates with ALPOL AG 708 or ALPOL AG 709 primers. Protect all steel components (frames, conduits, barriers etc.) from direct contact with gypsum, due to its corrosive action.

Instructions for use
Use available plaster units with a single mixing chamber to apply the plaster onto the entire area to be treated during one working cycle. Apply the plaster evenly on the prepared substrate, then distribute it with an H-profile level. After the plaster initially sets (around 100 minutes), level its surface with a trapezoidal darby. Then after 60 minutes, level the plaster using a wide scraper held perpendicularly to the wall plane. Before the setting is complete, after around 30 minutes, sprinkle the plaster with water and float it with a sponge float to extract bleeding water from the surface. After another 30 minutes, smoothen the surface using a wide scraper to give it its final smooth finish. If during this operation there is not enough bleeding water, moisten the plaster with extra amount of water. Optimum workability of the plaster is 220 minutes. Surfaces to be covered with tiles should be left rough after scraping – no further smoothening or “sponging” is required. To obtain a thicker coat, apply several wet-to-wet layers of plaster.

Tools
Low-speed electric mixer, floats and levels, trowel, spirit level, sponge, wide scraper, mortar container.

Working conditions
Work in ambient temperatures between +5°C and +25°C. Do not add any other agents. Protect fresh plasterwork from excessive drying and moisture.

Storage
Store in original, unopened packages in a dry place. Shelf life is 3 months from production date. Protect from moisture during transport and storage.

Notes
The specifications and instructions for use are based on the temperature (20±2)°C and relative air humidity (65±5)%. The workability may vary in different conditions. Appropriate eye, respiratory and skin protection measures should be used. Becomes alkaline after mixing with water. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Keep away from children. Clean fresh stains with water. The manufacturer assumes no liability for damage resulting from improper or inappropriate use of the product.

General recommendations
Work according to building practice, observing health & safety standards and regulations.