Cornerstone Low Strength Masonry Grout
A ready mixed natural hydraulic lime grout for the void filling and consolidation of solid masonry walls. Available in 12.5kg bags.
£26.82 £32.18 inc VAT
In stock
Estimated lead time is 3-5 business days
Cornerstone Low Strength Masonry Grout is a dry ready mixed lime grout designed for pumping, pouring, or needle injecting into solid-walled masonry to effectively fill gaps, spaces or cavities.
As part of the Cornerstone Masonry Grout range for void filling and consolidation, this lime grout features a fine texture and high flow for repairing, reinforcing, and filling voids in solid masonry.
Manufactured by Cornerstone using 100% pure natural hydraulic lime, graded powdered mineral fillers and conservation-appropriate additives to create high-flow grout with all of the virtues of a pure Natural Hydraulic Lime grout. Available as standard with Saint-Astier® NHL2. Other binders and mix ratios are available upon request.
Well-suited for projects looking for a balanced approach between strength and breathability.
With a diverse range of lime-based products, Cornerstone defies the standard one-size-fits-all approach, providing refined solutions to tackle each project effectively. Their products can be found on prestigious buildings worldwide, blending innovation with tradition to meet evolving industry needs.
As with any natural product, variations in colour, texture and shape may occur. In addition, images may vary slightly from actual products due to these natural variations and screen resolution. For the best consistency, ensure to acquire a sufficient amount of material with your order to avoid batch-to-batch variation.
- A fine texture helps to fill the smallest of gaps
- High-flow eliminates segregation and blockages
- Ensures a durable and resilient bond
- High porosity for improved moisture management
- Flexibility helps accommodate building movement
- Aids in combating water penetration
- Helps prevent water pooling inside masonry
- Supports stability without excessive strength
Suitable for void filling and consolidation of masonry walls, where the binder strength is appropriate for the host background or surface. Not suitable as a tiling or floor grout.
Low Masonry Grout is ideal for repairing, reinforcing, and filling voids in solid masonry. Appropriate for various project types, including conservation, renovation, or sustainable construction.
A 12.5kg bag will produce approximately 14.5-16 litres of mortar, depending on the water addition rate.
Supplied in 12.5kg polythene-lined and colour and batch-code paper bags for easy identification on-site and palletised for ease of transport, storage, and handling. FIBC tonne bags are also available.
Do not use in temperatures below 5°C or above 30°C, or if freezing conditions are predicted within the following few weeks, including wind chill. Protect from adverse environmental conditions, including frost, rain, direct sunlight and drying winds.
See the Technical Data and Documentation section for detailed product information, application guidance, and datasheets. Always review any available documents before use. Each project is unique, always seek professional advice before undertaking a project.
When working with lime, an alkaline material, always ensure you wear the appropriate PPE. Browse our range of tools and PPE to get started.
Store in indoor covered and dry conditions, protected from environmental conditions, including water, damp or frost and clear from the ground. Always reseal packaging if product is still present.
Do not use in temperatures below 5°C or above 30°C, or if freezing conditions are predicted within the following few weeks, including wind chill. We always advise following best practices for curing and protecting fresh lime renders and plasters. Protect from adverse environmental conditions, including frost, rain, direct sunlight and drying winds.
Brand
Cornerstone
Binder
NHL2
Material
Natural Hydraulic Lime, Additives, Mineral Fillers
Work
Void filling
Application
Pouring, Pumping, Needle Injection
Mix Ratio
1:1.5
Aggregate
Sub 300-micron powdered minerals
Yield
A 12.5kg bag yields approx. 14.5-16 litres
Always read any available datasheets and documentation before use.
Stock Quantities and Lead Times
Stock quantities and lead times are estimated and may differ or increase based on the order size and shipping method. If your timeline is sensitive, get in touch with the team.
Palletforce
Pallet orders with Palletforce Economy are typically dispatched from Cornish Lime within 1-2 business days, providing your item is in stock and not made-to-order. Once dispatched, Palletforce will deliver your order within 3-5 business days, depending on your location. Please ensure that your site can accommodate articulated lorries or similar-sized vehicles.
Local Delivery
The Cornish Lime team provides local delivery with a 18-tonne vehicle with a crane to assist with unloading. You will be contacted by phone to arrange delivery and ensure your site can accommodate our vehicle.
APC Parcel Courier
Orders shipped by APC parcel courier are typically shipped the next business day and arrive within 2-3 business days, providing your item is in stock and not made-to-order. APC will contact you via email with delivery information, and orders can be tracked on the APC website.
Premium or Expedited Service
For a premium or expedited delivery service, please get in touch to discuss if this option is available for your order.
For further information, see our delivery information page.
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