It is a long-standing technique in this trade and it is why CCW lists both pads together

For tight spaces or especially sensitive surfaces

Apply Mould Exterminator to the affected area

indoors and outdoors

Actichem Solv Sealer Pro 5L Truckmount Parts It is a long-standing techniqueProduct Overview Professionally formulated solvent based penetrating sealer providing exceptional protection for porcelain, low porosity tiles and fine stone. It is based on ultra small molecule structure technology which enables it to penetrate into the fine pores of polished porcelain, dense granite and fine stone to create a high performance sub surface barrier against water and oil borne contaminants. Provides premium protection for up to 5 years