In order to install extremely resistant coatings using KÖSTER NB 1 Grey, the substrate is first primed with KÖSTER Polysil TG 500 a minimum of 30 minutes before the application of
KÖSTER NB 1 Grey
NB 1 Grey
In cases of ground moisture min. 3 kg/m2 (2 coats)
25 KG Bag = ± 8 m² with 2 coats
Resistant to a water pressure of 13 bar on the negative side (130 m of water )
Polysil TG 500
Approx. 0.13 – 0.25 kg/m2 depending on substrate, strongly absorbent substrates may require more.
KÖSTER Polysil TG 500 is sprayed, rolled, or brushed onto the substrate To strengthen and improve the chemical and mechanical resistance of mineral building materials,
(Consumption approx. 130 – 250 g/m2). The protective coating reaches its final cure after approximately 16 hours.