Come primer sigillante su superfici in pietra assorbenti e porose, come cemento, murature, stucco e lastre in pietra, per interni ed esterni. Come mano di fondo per vernici da muro a dispersione acrilica. Pu anche essere mescolato con vernici da muro Ralston a dispersione acrilica.
![Ralston ExtraTex Clean [2]](https://www.ralstoncolour.com/wp-content/uploads/40046_Ralston_ExtraTex_Clean__2__BIOseries_W_BW_10L_front_V24_EN-174-140x125.png)
![Ralston ProClean [7]](https://www.ralstoncolour.com/wp-content/uploads/40033_Ralston_ProClean_7_EN-259-140x124.jpg)
![Ralston ExtraTex Matt [2]](https://www.ralstoncolour.com/wp-content/uploads/40037_Ralston_ExtraTex_Matt_2_EN-256-140x134.png)

![Ralston Pro Matt [3]](https://www.ralstoncolour.com/wp-content/uploads/40032_Ralston_Pro_Matt_3_EN-253-140x130.jpg)
![Ralston Tex Anti-Reflect [5]](https://www.ralstoncolour.com/wp-content/uploads/8712952084497_Ralston_Tex_Anti_Reflect_5_W_10L_front_V23_EN-5-140x125.png)

![Ralston SuperTex Matt [5]](https://www.ralstoncolour.com/wp-content/uploads/40035_Ralston_SuperTex_Matt_5_EN-267-140x131.jpg)
![Ralston ExtraTex Satin [20]](https://www.ralstoncolour.com/wp-content/uploads/40030_Ralston_ExtraTex_Satin_20_EN-249-140x134.png)

