Decorative & Waterproof Systems

Long Island Deck Waterproofing Systems

For the best Long Island waterproofing service, contact Rich-Co Building Associates, Inc. Professional Nassau County waterproofing can extend the longevity of your wood, concrete, stucco, and other surfaces. We feature innovative and affordable Long Island waterproofing solutions like PerfectMembrane, a state-of-the-art product that provides a waterproofing membrane that adheres to most cements, epoxies, and decorative coatings. It can be used for virtually any surface to provide high-quality waterproofing protection.

We choose to employ PerfectMembrane for rooftop, balcony and terrace waterproofing. because it outperforms many other waterproofing solutions—and for a fraction of the cost. If you need affordable Nassau County waterproofing, you should consult with us about PerfectMembrane. This solution also provides substrate reinforcement and isolates cracks, preventing them from worsening and leading to deeper surface damage. PerfectMembrane primer can be used on interior and exterior surfaces. We use PerfectMembrane to encapsulate Asbestos tiles, mastic, cutback glue and adhesive. It is more efficient and neater than using Beanie doo or asbestos abatement. Many contractors use this product to waterproof balconies,  roofs, and more.

If you’re searching for experienced and affordable Long Island waterproofing, be sure to contact Rich-Co Building Associates. We are leading Nassau County waterproofing experts. We can provide an upfront quote for our services and help you select the best solutions for your surface needs. We are a family-owned and operated business that is committed to supplying outstanding workmanship. If you live in areas like Merrick, Old Westbury, Roslyn, Jericho, or Bellmore, be sure to contact us if you need Long Island waterproofing service for your home or business. Remember, without expert waterproofing, your surfaces are vulnerable to moisture, dirt, and even pests. Protect them with solutions like PerfectMembrane and keep them looking and performing at their best for years to come.

We Use PerfectMembrane Waterproofing Systems


Masonry – Sealings – Coatings

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    33 S. Service Road, Jericho, NY 11753

    (516) 750-9780


    Monday – Friday: 9 AM – 5 PM EST

    Saturday: Closed

    Sunday: Closed