H-SEAL Concrete COUNTERTOP / WORKTOP Sealer | Food Safe | HIGH Temp | MATTE Finish | Waterproof | UV Resistant

"Trusted by over 20,000 builders, DIYers, and designers across the US & UK. H-Seal gives you a durable, food-safe, stain-resistant finish that lasts."

What This Product Seals:

Concrete Kitchen Worktops ☑️
Concrete Outdoor Kitchen Worktops ☑️
Concrete Sinks ☑️ 
Concrete Dining Tables ☑️
Concrete Fire Pits ☑️
Concrete Plant Pots ☑️ 
Concrete Candle Vessels ☑️
Concrete Bird Bath ☑️

Any application that requires a non toxic, food safe, high temperature, waterproof coating on concrete, whilst maintaining the most natural look to the concrete. See below 'product overview' for more details.

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We are of course available on other platforms, but our website is the best place to purchase, to get the best price possible online.

FREE Shipping in the USA & UK:

Absolutely free shipping to any state in the United States (2-3 days excl. Alaska & Hawaii) and anywhere in the United Kingdom (1-2 days). No Import taxes or customs fees on any order.

30-Day Satisfaction Guarantee & Returns Policy:

Easy returns if it’s not right for your project. We have a 100% no quibbles money back guarantee if you decide to return any of our products as long as they are returned in brand new resalable condition within 30 days of delivery to your doorstep.

Buy Today & Pay Nothing for 30 Days (0% Interest Charged)

Select 'Klarna' at the checkout to buy H-Seal today and pay nothing for 30 days! It only takes 20 seconds to set up, so you'll be ordered in no time.

Product Overview: H-Seal is a food safe, solvent free, water-based concrete sealer designed for food preparation surfaces, bathrooms and outdoor applications. It is heat resistant up to 392°F (200°C) making it great for use with hot pans and BBQ's and has a very natural matte finish which sets it apart from its American competitors. It provides protection for 10+ years with proper maintenance and is design for use in direct sunlight. H-Seal goes far! With coverage between 54 to 129 Sq Ft (5-12m²) per 33.8 Fl Oz (1 liter) depended on surface roughness.

• FOOD SAFE & WATERPROOF: H-Seal is designed specifically for concrete countertops, sinks, food preparation surfaces, bathrooms and outdoor applications. The sealer absorbs deep into the pores of the concrete to stop water right in its tracks. Instead water is rejected and just sits on the surface ready to be wiped away or trickle down the drain.
• MATTE FINISH & STREAK-FREE: H-Seal sets itself apart from its American competitors with its smooth and consistent matt finish. It is super easy to apply and leaves a streak-free finish with a subtle shimmer that gives the most natural look to the concrete. See images for reference.
• HIGH TEMPERATURE: Rated up to 392°F (200°C), it is great for use with searing hot pans, oven baking trays in the kitchen and even for more exotic applications like outdoor fire pits and barbeques.
• COVERAGE: H-Seal goes a long way! 1 litre will cover 5-12m2 depending on the surface roughness. The smoother the surface the less sealer needed. For example for surfaces polished to between 1200-3000 grit H-Seal can cover up to 10-12 m2 and even more.

Directions for Use:

Preparation:

Ensure that the surface is fully clean from dust, dirt and grease. This can be done with a pressure washer outside, or if the surface is delicate use a bucket of clean water and a damp sponge for a more gentle clean. In most cases this can be done directly after polishing or wet sanding.

Ensure that there is no grease or dirt remaining on the surface. Allow to dry thoroughly and if necessary use acetone and a lint free cloth to wipe the surface and remove any remaining stains, dirt or grease. Before application, ensure that the temperature is above 46.4°F (8°C) with a surface temperature no higher than 73.4°F (23°C).

Application:

Ensure that the surface is fully cleaned and dry. If the sealer is being used externally, only apply if no rain is forecast for at least four hours.

For the first application, spread the H-SEAL sealer evenly across the surface using a short/medium ply roller, making sure to saturate the surface fully without leaving any pools of liquid. It is recommended to use a 4 inch mini roller as this will soak up less liquid into the roller and leave more on the countertop.

Leave for 10 to 20 minutes until visibly dry and then proceed with subsequent coats using the same method, for a total of 3 to 5 layers. The second, third and subsequent layers will require less sealer to coat the surface.

If you have already sealed your concrete countertop with H-SEAL in the past then 1-2 coats will be sufficient for a maintenance/top-up coat.

Allow 4-6 hours before touching or placing any items on the surface (longer in lower temperatures) and 24 hours for final use. Always apply to a test area before applying to the whole surface.

Coverage:

33.8 Fl Oz (1 liter) will cover 54 to 129 Sq Ft (5-12m²) depending on the surface roughness and porosity of the concrete, the smoother the surface, the less sealer needed. For example, the sealer may cover up to (10-12m²) on a surface sanded to 1200 to 3000 grit. This coverage is calculated per coat. However, significantly less sealer is required after the first coat, so coverage increase exponentially.

Maintenance:

Concrete surfaces being treated should be properly cleaned before applying top-up coats. For the best results and protection, check the surface every 6-12 months for performance. If a top-up is required then only 1-2 coats will be needed.

If there is excessive build-up of sealer material on the surface or the surface does not look as it used to; consider wet sanding the surface back to the raw concrete material and follow the steps in the application instructions above, to return the surface back to its brand-new state.

Safety Datasheet:

H-Seal Concrete Sealer Saftey Data Sheet