Fassa S650 Undercoat is a white biological undercoat for restoring interior or exterior damp walls, promote the adhesion of render to the wall, by enhancing the anti-saline action of the latter.
- Use prior to Fassacouche on difficult substrates where it is necessary to improve adhesion & control suction
- 1 bag of S650 (25kg) will cover approx. 5m2 depending on application & suction
- Yield approx. 3-5 kg/m2
- Thickness 4-5 mm
Please Note: These estimates take no account of wastage and will vary according to the type of surface involved and method of application.
Fassa S650 Undercoat is supplied in 25kg bags.
Technical & Safety Datasheets
Please follow link to Fassa Bortolo S650 Undercoat Technical datasheet.
Please follow link to Fassa Bortolo S650 Undercoat Safety datasheet.