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.

Ultra-Low Strength 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-coded paper bags for easy identification on-site. Palletised for ease of transport, storage, and handling. FIBC tonne bags are also available.

Factory blended mortar using graded powdered mineral fillers and St. Astier natural hydraulic lime or non-hydraulic CL 90 hydrated lime, combined carefully with selected additives to improve the grout's physical properties, flowability and mechanical performance, whilst maintaining all the virtues of a pure natural hydraulic lime grout.

Features and benefits:

• Quality controlled production and product consistency.
• High stability for pumping, tested to three scaffold lifts height with no segregation or blocking.
• Very high flow and fine texture to fill the smallest of gaps.

Our Masonry Grout Range

Void filling & consolidation

Our ready-mixed non-hydraulic and natural hydraulic lime masonry grouts are expertly engineered to restore and reinforce masonry walls.

Our high-flow, fine-textured grouts fill everything from large voids to tiny gaps, restoring structural integrity and supporting the building fabrics long-term health.

Our Masonry Grout Range

• Ultra Low Strength Masonry Grout
• Low Strength Masonry Grout
• Medium Strength Masonry Grout
• High Strength Masonry Grout

View the range on our website

https://cornerstonemortars.co.uk/products/masonry-grouts/