Silex TZM 936 is a PCC mortar and laying mortar, made of trass, cement and a polymer component. The use as laying mortar, for natural or artificial stones and ceramic, is indoor and outdoor possible. Silex TZM 936 is waterproof and won´t efflorescence. The high initial strength, together with weather and frost resistance, is perfect for the repair of historical monuments. Silex TZM 936 is particularly light and pleasant to work with.