PRO-WALL is a color- and odorless, suction-reducting primer which penetrates excellently into all materials, without modifying their properties and vapor permeability. PRO-WALL can be used for bricks such as Thermoblocks, Poroton, Poro+, concrete blocks, Stalton beams,… PRO-WALL increases the adhesiveness of plaster to the substrate beining treated, and remains workable for an unlimited period after application. PRO-WALL does not form a film when sprayed, and does not clog up the spray head. To be used both inside and outside.

* Please take note that the number given is the cost to treat 1 m² of surface. It is based on average values and could vary depending on the surface treated.


  1. Water down PRO-WALL to a ratio of 1 part product to 9 parts water.
  2. Apply PRO-WALL preferably with spraying equipment or by brush and roll.
  3. Work in an upward fashion, using horizontal back and forth movements until saturation of the surface is attained. This happens when you can see the product dripping down.
  4. After drying the plaster can be applied.

Cosmar Industries

Productie-eenheid Industriepark Klein Gent Bannerlaan 46 2280 Grobbendonk België T: 00 32 (0) 14 23 07 71 E: