Custom Building

Custom Building in Portsmouth, RI, is a trusted provider of advanced flooring preparation products, engineered to meet the stringent demands of contractors since 1964. Their extensive product line includes self-leveling underlayments, waterproofing membranes, and a variety of mortars and adhesives designed for both commercial and residential applications.

With a commitment to quality and innovation, Custom Building offers solutions that address common challenges in construction, from moisture control to high-rise installations. Their training resources and technical support further empower contractors to achieve exceptional results on every project.

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