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Weber Saint-Gobain - Official website of the company

webercem concrete repair system

webercem concrete repair system
webercem concrete repair system

Product Benefits

● For the repair and protection of untrafficked reinforced concrete to building and highways structures.

BS EN 1504 compliant concrete patch repair system

Product Features

About this Product

The webercem concrete repair system is a pre-batched, multi component system based on polymer-modified Portland cement mortars and coatings based on acrylic resins.

The components of this System have been specially formulated to comply with the requirements of BS EN 1504 parts 2 and 3 for protective coatings and concrete repair mortars.

Features and Benefits

  • webercem system contains products for priming, high-build repair, levelling treatments and high-performance coatings
  • The components of this system have been specially formulated to comply with the requirements of BS EN 1504 parts 2 and 3 for protective coatings and concrete repair mortars
  • webercem system has a proven track record demonstrating its performance
  • Re-introduces alkalinity to reinforced concrete repair areas
  • Increases durability of reinforced concrete against carbonation and chloride ingress

Technical Services

weber's Customer Services Department has a team of experienced advisors available to provide on-site advice both at the specification stage and during application. Detailed specifications can be provided for specific projects or more general works. Site visits and on-site demonstrations can be arranged on request.

Technical helpline
Tel: (01525) 722110
Fax: (01525) 718988

Sales Contact

weber products are distributed throughout the UK through selected stockists and distributors. For UK sales enquiries and overseas projects, contact weber's Sales office.

Sales office
Tel: (01525) 722100
Fax: (01525) 718988


Send or download the documents

You can either send the documents to an email address, or download it

Preparation & Application


webercem HB30 and HB40

Single-component, high-build polymer-modified repair mortars for replacing defective concrete.

Once mixed with water, the product can be applied by hand by compacting on to tacky webercem keycoat and finished with a wooden or plastic float.

Supplied in 20 kg bags.

webercem fairing coat

A single-component, polymer-modified levelling mortar used to prevent ghosting of concrete repairs through decorative finishes.

Once mixed with water, the product is applied by hawk and trowel and finished with a damp sponge.

Supplied in 25 kg bags.

webercote coatings

Single-component, acrylic anti-carbonation coatings for the long term protection of existing concrete and new repairs.

Available in clear, pigmented smooth, flexible and elastomeric versions.

webercote coatings

are applied by brush, roller or airless spray in two coats. If stabilisation of the concrete is required prior to application, the surface should be treated using webercote primer.

Supplied in 12.5 litre pails

Packaging, Health & Safety

Coverage / Yield

webercem bondcoat

Coverage is approximately 5 kg per m².

webercem HB30

Yield is approximately 16 litres per 20 kg bagor 0.5 m² at 30 mm thickness.

webercem HB40

Yield is approximately 15 litres per 20 kg bag or 0.5 m² at 30 mm thickness.

webercem fairing coat

Yield is approximately 13 litres per 25 kg bag depending on water addition. This equates to approximately 6.5 m² per bag at 2 mm thickness.

webercote coatings

The coverage of webercote coatings will vary depending on the type of substrate and the surface porosity. The following is a guide for brush or roller application on to smooth surfaces.

Product                           Coverage

smooth                          20 m²/pail in two coats

EC                                  9 m²/pail in two coats

webercote primer         7 to 10 m²/litre/coat

Health and Safety

webercem powder materials
(keycoat, HB30/40, fairing coat)
Contain cement. (Contain chromium (VI). May produce an allergic reaction). Harmful by inhalation. Irritating to eyes and skin. Keep out of the reach of children. In case of contact with eyes, .rinse immediately with plenty of water and seek medical help. After contact with skin, wash immediately with plenty of soap and water. Wear suitable protective clothing, gloves and eye/face protection.

webercote coatings and webercote primer
Essentially non-hazardous.
These are difficult to remove when set.
Therefore, although essentially nonhazardous, they should not be allowed to come in contact with skin. Operatives are advised to wear, protective clothing and gloves. The coatings can be used in confined spaces but ventilation is essential to avoid prolonged drying. If product enters the eyes, wash immediately with copious amounts of clean water and if discomfort continues seek rnedical advice.

For further details on safe handling, please refer to the relevant Material Safety Data Sheet.