Bedding Mortar

Shrinkage-compensated, rapid- setting bedding mortar for the reinstatement of road iron work and highway furniture About this product Bedding mortar is a range of cementitious products containing a blend of special cements and graded aggregates, which when mixed with water produce fast-setting......

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Shrinkage-compensated, rapid- setting bedding mortar for the reinstatement of road iron work and highway furniture



About this product

Bedding mortar is a range of cementitious products containing a blend of special cements and graded aggregates, which when mixed with water produce fast-setting bedding mortars for the rapid installation of ironwork and highway furniture. They can be applied to depth of 10 – 100 mm in one pass and the rapid strength development characteristics allow the road to be opened to traffic between 60 – 90 minutes after placement, dependent on the grade of product selected.

Technical data

The following test results were obtained in lab conditions at 20°C, 0.12 w/p ratio



● Bedding and levelling of road iron work and highway furniture

● Bonding of granite sets and flags

● Rapid installation of manhole brickwork

● Emergency concrete road repair

● Rapid repair of kerbs, steps, platforms, precast units and honeycombed concrete

● Suitable for drypack applications

● Large cable duct installations

Features and benefits

▲ A range of working times between 5 – 15 minutes at 20°C

▲ Rapid strength development reducing repair possession times

▲ Open to traffic between 60 – 90

▲ Shrinkage compensated

▲ Economical repair, can be extended with aggregate for repairs more than 100 mm in thickness providing flexibility of use

▲ Excellent strength gain at low temperatures

▲ Excellent bond strength

▲ No primer required

▲ Complies with HA spec HD 27/94 achieving 20 N/mm2 in less than 2 hours at 20°C

▲ Two grades of mortar to allow for varying traffic conditions


Clean and remove all oil, grease, dirt and loose debris from the work area to provide a sound substrate. Pre-soak the substrate, removing any standing water before placing the mortar.


Use only freshly opened bags of bedding mortar and a clean, forced-action mixer such as a Cretangle or Mixal mixer. Charge the mixer with 2.5 – 3.0 litres of water per 25 kg bag, add the powder gradually to the mixer and mix for 2 – 3 minutes until a stiff mortar consistency is achieved.

When mixing by hand use a clean spot board or wheelbarrow. Add 3 litres of water per 25 kg bag, mix until the powder is fully wetted out and a homogeneous mix is produced.

Small quantities can be mixed by hand using a ratio of 6 parts powder to 1 part of clean water by volume.

For repairs over 100 mm thick, bulk out with 30% (by weight) of 5 – 10 mm aggregate and mix for 3 minutes to a uniform consistency.


Apply sufficient mixed mortar onto the pre- wetted substrate to ensure full contact will be made with the bottom of the frame or unit.

Lower the frame or unit onto the mortar and tap down to line and level. The mortar can be applied between 10 – 100 mm  in a single pass – greater thickness can be achieved using a layer-upon-layer method.

Once the mortar has reached initial set, fresh mortar can be used to backfill the ironwork.

The bedding  mortar should be placed within 5 – 15 minutes of completion of mixing (see technical data table ).

The set time will be extended in cold conditions and shortened in hot conditions. At lower temperatures it is advisable to keep the powder warm and use warm water up  to 30°C.

Bedding mortar can be used down to 5°C. For applications below 5°C, please consult Tasir’s Customer Services Department.


No special curing is required at application temperatures between 5°C and 35°C.


Bedding mortar is supplied in 25 kg bags.


Yield per bag is 12.75 litres. Approximately 78 bags are required for 1 m3.

Storage and shelf life

When stored unopened in a dry place at temperatures above 5°C, shelf life is 6 months from date of manufacture.


Health and safety

Contains cement (Contains 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.

For further information, please request the Material Safety Data Sheet for this product.

Technical services

Tasir'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.

Sales enquiries

Tasir products are distributed throughout the UK through selected stockists and distributors. Please contact the relevant Customer Services Team below for all product orders and enquiries.

Technical helpline

Tel: +86-13103917746



Fax: +86 -18503893502


Tasir Construction Material&Technology 

Tianda Block, Jianggan District, Hangzhou City, Zhejiang Province, China

Tel: +86-571-87569602

Fax: +86-571-28197878  


To the best of our knowledge and belief, this information is true and accurate, but as conditions of use and any labour involved are beyond our control, the end user must  satisfy himself by prior testing that the product is suitable for his specific application, and no responsibility can be accepted, or any warranty given by our Representatives, Agents or Distributors.

Products are sold subject to our Standard Conditions of Sale and the end user should ensure that he has consulted our latest literature.

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