ARDEX SP1 is used for priming absorbent substrates or joints
to improve the adhesion of ARDEX silicone sealants. It is ideal for priming joints that will be immersed prior to the application of silicone or for sealing sensitive natural stones to help prevent staining of stone edges.
Improves adhesion to porous substrates
For internal and external, walls and floors
Ideal for sealing sensitive natural stones to help prevent staining
Quick-drying – apply ARDEX silicone sealants after 60 minutes