Controll ® Innerseal 20l - High Performance Concrete Protection
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Controll® Innerseal 5l - High Performance Concrete Protection Controll® Innerseal 5l - High Performance Concrete Protection £89.00 incl. VAT

Controll ® Innerseal 20l – High Performance Concrete Protection

£189.00 incl. VAT

  • Deep Penetration & Concrete Sealing: Outstanding penetration that seals deep within the concrete, protecting against moisture, salts, and pollutants.
  • Internationally Certified: Thoroughly tested and exceeds all international standards for concrete impregnation, health, and environmental safety (NS-EN 1504-2, System 2+).
  • Versatile Application: Suitable for all cement-based surfaces, indoors and outdoors, including foundations, terraces, and industrial structures.
  • Prevents Damage: Protects concrete from rust, mold, and reinforcement degradation by addressing moisture at its source.
  • Proven Expertise: Backed by 25 years of industry experience, successfully used in challenging projects like tunnels, silos, and power plants worldwide.

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Controll ® Innerseal 20l - High Performance Concrete Protection
Controll ® Innerseal 20l - High Performance Concrete Protection
£189.00 incl. VAT
  • Fast delivery in the UK
  • Produced in Norway
  • No customs or hidden costs

Protect your home and buildings

Stop moisture in masonry and concrete and say goodbye to moisture, rust, mold, moss and algae.

Suitable for all cement-based surfaces

Indoors and outdoors, foundations, chimneys, basements, terraces with cast slabs, walls, floors and ceilings.

Outstanding penetration, sealing deep within the concrete.

Thoroughly tested and meets all international requirements for concrete impregnation.

Extensive Expertise, 25 years in the industry

We have worked successfully with the best in the field including tunnel-boring in Morocco and biogas silos in Germany.

Customer Feedback

Jan Erik E.
We have used the product before as well. It sealed a basement floor in the cabin, which was cast directly on moraine gravel. Additionally, we have used it to seal a concrete roof and a patio above the garage. This time, we sprayed the chimneys on the cabin. They were built in 1974 and are covered with coarse joints and rough slate stones. All projects have shown satisfactory results. Great product!
Anne Kjersti P.
I'm excited to see the results after one winter. 40 liters were excellent for 100m².
Ella K.
Super satisfied 😀 The terrace floor is sealed. 👍
Erik P.
Looks good so far, but there hasn’t been much rainfall.
Magne J.
So far, so good, but it's a bit early to draw a final conclusion. There are still a few small spots that look like moisture and need further investigation. Nevertheless, almost the entire floor is dry, even with the heavy rainfall we've had in recent days.
Tore M.
Very satisfied with the purchase. A great investment. The product truly sealed the terrace floor above my garage as I had hoped.

Have you noticed dampness or mold in your basement, or do you want to seal your foundation from the inside? 

Innerseal is a penetrating, colourless, non-toxic, permanent sealer for use against moisture problems in all concrete. The product actively penetrates deeply, where it crystallises and stops the penetration of water, acid rain, oil, etc. After crystallisation, Innerseal is insoluble, will not wash out or deteriorate and will have the same longevity as the concrete it becomes a part of. The product also prevents rebar rust, efflorescence, cracking, musty basement odour, moss, fungus and algae growth.

Tested by

How much Innerseal do you need pr. m²?

4-6 m² per liter (total for two coats), depending on the surface.
Innerseal 20L typically covers 60 m².

Concrete Walls (e.g., Leca Walls, Block Walls, Exterior Decorative Walls)

For walls, Innerseal is applied in two generous coats using a low-pressure sprayer, typically with a one-hour interval between coats. For Leca walls, it can be used to treat joints or newly applied plaster (after at least 24 hours of curing). On painted surfaces, paint must be removed mechanically first to allow penetration. A third coat may be needed for highly absorbent surfaces.

Garage Floors, Carports, Basements, Balconies, Verandas, and Decking

Innerseal is applied by “flooding” the concrete surface, keeping it thoroughly wet for about 1 hour. The product is poured out and distributed using a soft broom or squeegee, ensuring even coverage, especially in areas with higher absorption. Afterward, the surface is rinsed thoroughly with water, excess product is removed with a rubber squeegee, and it’s left to dry overnight.

Additional information

Weight 25 kg
Dimensions 37 × 29 × 25 cm
SKU: INNERSEAL20L Category: