ISOHEMP TECHNICAL DATA SHEET NATURAL PCS PLASTER Natural PCS plaster, to spray or apply manually is a natural plaster coating, made of lime and sand which is suitable as a finishing plaster for interior walls and ceilings. It combines the advantages of the ease of application of natural plaster with the permeability to water vapour resulting from the use of lime. The result is a smooth and modern finish that is ready for painting. PCS natural plaster is a one coat plaster which can be applied to all rough and absorbent media, both in new builds and for renovations of existing buildings. A primer must be applied first for all smooth and non-porous media. It can be applied over hemp blocks, concrete and lattice blocks, autoclaved aerated concrete and clay blocks and bricks. * Dependant on the drying conditions Natural plaster Air lime Sand • Before application of the PCS plaster, remove all traces of dust, soot, previous plaster coatings, etc. • Clean old stone joints: use a hard brush if necessary. • Moisten the substrate if necessary. IsoHemp S.A. - 18, Rue du Grand Champ - 5380 Fernelmont Page 1 of 2 www.isohemp.be - +32 (0) 81 39 00 13 - [email protected]

ISOHEMP TECHNICAL DATA SHEET NATURAL PCS PLASTER a. Mixing: Prepare the mixture. Mix 11 to 12 L of water with a bag of PCS in a container to obtain a creamy paste. b. Applying the plaster: Application in one coat for a mean thickness of 10mm. However if the PCS is to be applied in thicknesses greater than 25mm, it must be applied in two coats. c. Levelling: Pass a straight-edge over the plaster in two directions: horizontal and vertical. Allow to dry for between 1h and 3h dependent on the climatic conditions. Wait until the plaster 'draws' and is no longer tacky. Ensure good ventilation of the...