Motor World Direct

Tetrion Hard as Rock Filler - 2Kg Fast Drying Perfect Finish Excellent Coverage

Tetrion Hard As Rock Masonry Repair Powder Filler 2kg – Exterior Waterproof

Tetrion Hard As Rock is a high-strength exterior masonry repair filler designed for demanding filling, fixing and anchoring jobs. Its exceptionally tough formulation sets up to 5 times harder than concrete within just 1 hour, providing a strong and durable repair for a wide variety of outdoor applications.

Once fully dry, Hard As Rock is completely waterproof and weatherproof, making it ideal for repairing masonry, concrete, steps, drainpipe surrounds and other areas exposed to the elements. The non-sagging formula is easy to mix and apply and has no fill depth limit, making it suitable for anything from general repairs to securing posts and metal fixings.

Key Features

  • Sets 5 times harder than concrete for exceptionally strong and durable repairs

  • Fully waterproof and weatherproof once dry – ideal for exterior applications

  • Rapid setting formula – sets in approximately 1 hour

  • Suitable for filling, fixing and anchoring with no fill depth limit

  • Non-sagging and easy to mix with an overpaintable concrete-grey finish

Ideal For

Tetrion Hard As Rock can be used for a wide variety of exterior repair and fixing applications, including:

  • Repairing worn or damaged steps

  • Repairing drainpipe and grid surrounds

  • Anchoring gate and fence posts

  • Securing metal fixings and machine bolts

  • Filling holes and damaged masonry

  • General exterior concrete and masonry repairs

Directions For Use

  1. Ensure the surface is clean, dry and free from loose material.

  2. Dampen the area that is to be filled.

  3. Mix approximately 5 parts Hard As Rock powder to 1 part clean water.

  4. Mix thoroughly until a smooth paste is formed.

  5. Apply using a trowel or filler spreader, working the mixture firmly into the repair.

  6. Smooth the repaired area before the filler begins to set.

Due to the rapid-setting formulation, only mix as much filler as can be applied within approximately 5 minutes.

For an especially smooth finish, a wet blade can be used to level the surface before the filler sets.

Product Specification

  • Brand: Tetrion

  • Product: Hard As Rock Masonry Repair Filler

  • Type: Powder Filler

  • Size: 2kg

  • Manufacturer Part Number: TSF200

  • EAN: 5010372998251

  • Finish: Concrete Grey

  • Setting Time: Approximately 1 Hour

  • Application: Exterior Masonry Repair, Filling, Fixing & Anchoring

About Tetrion

Tetrion has been a trusted name within the professional decorating and DIY industry for over 40 years. Known for developing innovative and dependable filling and repair products, Tetrion offers solutions for everything from everyday household repairs to demanding professional applications.

Tetrion Hard As Rock continues that tradition, providing an exceptionally strong, weather-resistant solution for exterior masonry repairs where maximum strength and durability are required.


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At Motor World Direct we are committed to selling high-quality products that we hope that you will enjoy using, but we also know that, for one reason or another, there may be a time when you need to return something you've bought.

If you change your mind, or any of our products fall below the standard you would expect and you wish to return the item, you must notify us within 30 days of the date that the products were delivered to your address. Please contact us through eBay messages to request a refund.

We are happy to refund the item providing it is returned unused, and in its original packaging. All returns of products are made at your own risk. Therefore, we strongly recommend that you use an insured delivery method such as Royal Mail Special Delivery. The refund will be processed excluding the original delivery cost and the cost of returning the product/s which must be borne by you.

Faulty Items

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Incorrect Orders & Substitutes

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General Terms

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Should you wish for a replacement item we recommend that you purchase this from our Shop under a separate transaction. The above policies do not affect your statutory rights.

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