Cap Sealer

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Cap Sealer is a low VOC water-based, 100% acrylic sealer, binder and high build elastic base coat membrane with excellent substrate fill and resistance to alkali burn from new cement mortar repairs.  The product is used as a specialty sealer by the roof restoration industry for application to fresh green ridge capping mortar repairs that are carried out during the restoration process of a cement tiled roof.

Cap Sealer is applied to the fresh ridge capping mortar to act as a barrier coat between the fresh cement repairs and the new protective topcoats to follow. It will eliminate alkali burn to the topcoats and stop leaching salts from bleeding through and effecting the new topcoats with unsightly white out along ridge capping repairs.