KOSTER façade protection systems prevent masonry and concrete from liquid water ingress (rain or splash water, condensate) but allow water vapor is to escape from the façade, to avoid long term moisture damage.
KOSTER Façade Cream is a solvent-free pasty hydrophobization material. It is applied as a film using a roller or brush and penetrates deep into mineral substrates.
KOSTER Siloxan is a liquid and can be sprayed onto the façade or brush applied.
Always adhere to the specifications in the respective Technical Guidelines.