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The Aquamast Bituminous Primer, Black, is an essential solution for professional surface preparation before applying a variety of waterproofing materials, mastics, or torch-on roofing systems. This versatile priming compound ensures superior adhesion for subsequent layers to the substrate, significantly enhancing the reliability and longevity of your entire waterproofing system.

Formulated with a robust bituminous base, this black primer penetrates deep into porous surfaces such as concrete, cement-sand screeds, and brickwork. It effectively strengthens the base, creating a durable binding layer. By dusting off and filling microscopic pores, it actively prevents the formation of bubbles and the detachment of waterproofing membranes, guaranteeing optimal bonding critical for long-term moisture protection.

Ideal for a wide range of applications, this fast-drying bituminous primer is perfect for new roof installations, roof repairs, and the waterproofing of foundations, walls, and floors. It adheres excellently to concrete, cement, metal, wooden structures, and even existing bituminous coatings, allowing you to proceed quickly with subsequent work stages and saving valuable time.

• Product Type: Primer
• Base: Bituminous
• Color: Black

Before application, thoroughly clean the surface to remove dust, dirt, and loose elements. Apply the primer evenly using a brush, roller, or sprayer. Allow the primer to dry completely before applying subsequent materials.