Klean-Bloc Technology
Worry Less, Live More.

No, Klean-Bloc™ cannot be applied after installation. Klean-Bloc™ is integrated directly into the paver during manufacturing to ensure the highest level of performance, and all Klean-Bloc™ luxury concrete pavers come pre-treated and ready for low-maintenance outdoor use.

If your existing pavers do not have any protective sealer, you can still apply a sealant after installation. We recommend hiring an experienced professional to ensure the surface is thoroughly cleaned beforehand and to avoid sealing in dirt, grime, or creating streaks during application. Techo-Bloc offers a variety of sealers & cleaners, ranging from high-gloss finishes to natural-look options that remain virtually invisible.

No. Klean-Bloc™ does not increase gloss over time. In fact, products that start with a glossier appearance will naturally lose some of that sheen as they weather, gradually settling into a more matte, natural look.

Yes. Klean-Bloc™ reduces the need for chemical sealants applied in the outdoors, extends the life of outdoor paving stones, and all Techo-Bloc products are recyclable at end-of-life.

They are separate technologies and not combined. Techo-Bloc products are either Klean-Bloc™, HD², or Standard. Klean-Bloc™ focuses on stain and scratch protection on wet cast products, while HD² is a manufacturing process for drycast concrete products that emphasizes color, texture, and reduces surface pores.

No. Klean-Bloc™ enhances surface protection without altering the weight or thickness of smooth modern patio slabs or luxury concrete pavers.

No. Klean-Bloc™ technology does not affect the drainage or permeability of a surface. Drainage performance is determined by the installation method and the ratio of open void space to paved area—not by the protective seal on the paver.

In fact, several Klean-Bloc™ products, such as the Saint-Oxford and Mika pavers, are fully permeable systems capable of handling up to 909 inches of water per hour, making them ideal for managing stormwater.

Klean-Bloc™ surfaces are designed to be among the easiest patio materials to clean using just water, a mild soap, and a broom. We do not recommend pressure-washing as a first cleaning method as improper use could cause damage to the product.

If you choose to pressure wash, use very low pressure, a siphon tip, and keep the nozzle at a high angle to avoid etching the surface. Avoid narrow or direct spray tips, which can cause permanent damage.

For routine care, gentle cleaning methods are usually more than enough to keep Klean-Bloc™ looking its best.

Minor surface imperfections like chips or scratches can be addressed with the Klean-Bloc repair kit which can be purchased through our website.

Use mild, diluted dish-washing soap in warm water. Klean-Bloc™ surfaces are among the easiest patio materials to clean and help prevent mold or mildew growth.

Klean-Bloc™ protection is engineered for long-term performance. The exact lifespan depends on the level of exposure to the elements. Pavers installed under a shade structure or in areas with minimal snow, salt, or harsh weather may maintain their protection for 10 years or more. In higher-traffic areas or regions with significant exposure to snow, salt, and the elements, protection may last closer to 5–7 years.

You can always re-seal Klean-Bloc™ once the original sealer has worn off. To determine whether resealing is needed, perform a simple absorption test: sprinkle water on the surface and observe whether it beads (protection still present) or absorbs into the paver (time to re-seal).

Note: A fading sheen does not mean the sealer has stopped working: glossiness and performance don’t always fade at the same rate.

Yes, Klean-Bloc™ actually enhances the surface’s durability when exposed to de-icing salts and chemicals. While its primary role is to protect against stains and scratches, the integrated seal also adds an extra layer of defense against de-icing salt, and chemical wear.

In short, Klean-Bloc™ doesn’t just maintain performance in winter conditions, it improves it.

Yes. Klean-Bloc™ products are completely safe for use around pools and in wet areas. Their surfaces meet ANSI A326.3 standards for slip resistance, making them an ideal choice for pool decks, patios, and other high-moisture environments.

In fact, Klean-Bloc™ provides significantly better slip resistance than porcelain tiles or traditionally sealed concrete, offering a safer and more comfortable surface underfoot.

Techo-Bloc pavers with Klean-Bloc™ ANSI A326.3 for slip resistance, ASTM C936/C1782 for concrete pavers and slabs strength and durability, and CSA A231.1/A231.2 for Canadian compliance.

Yes. Klean-Bloc™ surfaces are fully suitable for freeze–thaw climates. Because Klean-Bloc™ is factory-integrated into the concrete, it adds an additional layer of protection against moisture penetration—one of the main causes of freeze–thaw damage.

Techo-Bloc pavers (including those with Klean-Bloc™) are engineered and tested to meet ASTM and CSA standards for freeze–thaw durability, making them ideal for regions with harsh winters, snow, and de-icing salts.

In short: Klean-Bloc™ not only works in freeze–thaw environments—it enhances durability in them.

Klean-Bloc™ is applied at the factory, unlike traditional sealants that require ongoing Klean-Bloc™ outperforms traditional sealants because its protection is built directly into the paver, not applied on top. This provides long-lasting resistance to stains, scratches, and weather without the risk of peeling, streaking, or wearing off. Traditional sealants require ongoing reapplication and added labor costs over time, while Klean-Bloc™ eliminates that maintenance entirely. In short, it delivers better performance with lower lifetime cost.