Sika Multi Primer Marine Is Useful For Increasing The Adhesion Of Sikaflex Products On arious Substrates. This Primer Is Also Useful For Increasing The Adhesion Of Sikasil Adhesives And Sealants On Any Substrate. Application: Surfaces Must Be Clean, Dry, Free Of Dust, Silicone, And Grease. Apply Sika® Cleaner-205 First For Treatment Of Non-Porous Substrates And Allow To Dry. For Use With Sikasil Products On Non-Porous Substrates, The Use Of Sika®Cleaner-P (Dry Application/Drying) Is Also Possible. Apply A Thin And Uniform Layer Of Sika Multi Primer Marine With A Brush Or Sponge Or Felt Applicator. Sika Multi Primer Marine Must Be Applied In One Go. Ensure During The Operation That The Layer Is Sufficient And Uniform In Order To Obtain Good Coerage.