Limelite Winchester Heritage Grout




03444 630 046


Limelite Heritage Grout Winchester is ideal for grouting up voids in rubble fill masonry or stone walls, amongst other low pressure grouting projects that require a high fluidity, moderate strength grout.


  • Lime based, Portland cement free
  • Long term durability and flexibility
  • Factory supplied and quality controlled
  • Extremely high fluidity
  • Suitable for low pressure injection grouting in listed and heritage buildings

Technical Data Sheet (pdf)
Safety Data Sheet (pdf)
Technical Data

Product Description:

Limelite Heritage Winchester Grout is a moderate strength hydraulic lime based grout designed for the replacement of degraded lime mortar within historic structures.

The grout is extremely fluid to allow maximum void fill and designed to replicate the properties of lime mortar once cured. The grout is Portland cement free, breathable and salt resistant.

Extremely High Fluidity
Highly fluid enabling penetration into fine fissures and cracks deep within the substrate.

Stabilises structures while accommodating the natural movement of the structure.

Proven Performance
Limelite Heritage Grouts are trusted by conservation professionals and proven on high profile and challenging projects including the restoration of St Paul’s Cathedral, one of the most iconic buildings in London.

Responsibly Sourced
All of our products are manufactured in the UK and certified under BES 6001 Responsible sourcing. Tarmac was the first company within the cement and lime sectors to be awarded the BES6001 ‘Excellent’ rating across its entire product range.

Technical Data

Setting time: Min. 12 hours
Flow Cone Test Result (ASTMC939-01): 95seconds
Yield: 12.36 litres per 15kg bag
Water/Solid ratio: 0.4 (6 litres per 15kg bag)

Compressive Strength (N/mm2)
7 days 28 days
4N/mm2 7N/mm2

Mixing Instructions

For best results Limelite Heritage Grout Winchester should be mixed using a mechanical mixer, such as a bougee pan, colloidal mixer or a drill and paddle. 15kg of grout powder should be steadily added to 6 litres of cool, clean water, and mixed for 2-3 minutes until a smooth, homogeneous consistency is achieved.

Application Instructions
Limelite Heritage Grout Winchester is designed to be pumped into place using suitable low-pressure injection equipment, such as helical screw, diaphragm or piston type pumps.

Clean Up & Spillages
Tools and equipment can easily be cleaned using water. Cleaning of tools and equipment should be carried out as soon as possible after application.

Contact us to order Limelite Winchester Heritage Grout: