Tru-Block | Multi-Surface Invisible Protectant & Sealer

(2 customer reviews)


Product Description

Tru-Block is a one-of-a-kind water repellent and sealer that’s designed to provide the most natural surface possible. Its unprecedented, water-based silicone formula will provide the ultimate results in long-term weather protection without the undesired gloss that comes with traditional film-forming sealers. Open, apply, and you are done. Tru-Block is also recoatable, making this an ultra-convenient concrete sealer. This is effective on many porous surfaces but is truly designed for the decorative vertical surface, as it leaves a perfectly natural finish.
  • Ultra-low VOC, water-based product
  • Water cleanup
  • Easy application
  • Excellent surface protection from common spills
  • Re-coatable
  • Also available in 5 gal pails
Tru-Block MSDS Sheet


Weight 10 lbs
Dimensions 13 × 13 × 13 in

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Low Gloss, Natural, Pentetrating


Brush Finish, Indoor, Outdoor, Vertical

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2 reviews for Tru-Block | Multi-Surface Invisible Protectant & Sealer

  1. Gladen

    I used Tru-Block on my custom faux stone & wood slat fence. Overall this is an amazing sealer. I used an airless paint sprayer for application and it went on smooth and easy. When dried there was zero notable discoloration on my stonework, maybe just a hint of color darkening. Less than 36 hours later we had a deluge of rain. If you know how concrete darkens up when it gets wet, you’ll know what I’m talking about here: despite the rain the areas sealed with Tru-block didn’t darken or even look wet at all. Great stuff that’s very easy to apply and protects excellently.

  2. Marcus Libby

    We have used this for years on our rock scapes. It keeps our colors looking good and we have not had and freeze thaw issues with the rock work.

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