How to Waterproof a Concrete Slab With Liquid Rubber

How to Waterproof a Concrete Slab With Liquid Rubber

Waterproofing is an essential aspect of construction, ensuring the longevity and durability of structures. Paul from Findlay-Evans Waterproofing introduces us to the magic of Liquid Rubber and the importance of proper preparation for waterproofing slabs. 

concrete slab waterproof

Liquid Rubber Waterproofing Preparation

Paul emphasizes the significance of preparation when it comes to waterproofing. A well-prepared slab ensures that the waterproofing is effective from the very beginning. The edge of the slab should be squared off, and any protruding edges should be smoothed out for optimal results.

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The Role of Liquid Rubber

Liquid Rubber plays a vital role in ensuring the slab remains waterproof. After clearing out debris, the  Liquid Rubber is painted onto the slab; bonding the plastic to the Liquid Rubber. This creates a robust barrier against water, ensuring that it doesn't permeate the edge of the slab.

concrete slab waterproof

Application Tips

  • Ensure a generous coat of Liquid Rubber for optimal coverage.
  • The Liquid Rubber acts as an adhesive, ensuring that it sticks firmly to the slab.
  • It's essential to coat every part of the slab, ensuring no spots are left uncovered.
  • The Liquid Rubber remains elastic, ensuring it doesn't crack or shrink over time.

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Paul demonstrates how the plastic is bonded to the edge of the slab using a brush. The plastic is pushed against the slab, ensuring a tight seal. Once dried, the plastic can be rolled over, creating a waterproof barrier.

See video here.

Liquid Rubber Waterproofing  Final Touches

Once the wall frame is in place, a flashing is stapled onto each stud and the bottom plate. This ensures that any water shedding down will be directed to the drain system and away from the structure.

concrete slab waterproof

Waterproofing is not just about applying a barrier but ensuring that the barrier is applied correctly. As Paul suggests, investing in a bucket of Liquid Rubber and taking the time to waterproof properly can save a lot of hassle in the long run. Whether you're a builder or a homeowner, understanding the intricacies of waterproofing can make all the difference.

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