Roundtower Heritage GroutRoundtower Heritage Grout Roundtower Heritage Grout is a dry, ready mixed Natural Hydraulic Lime grout designed for pumping, pouring, or needle injection into voids within solid masonry structures. With its fine particle size and high flow characteristics, it is specifically developed for consolidating stone and brick masonry, filling internal voids, cracks, and delaminated cores while maintaining the breathability of the wall structure. Manufactured

and reduced hand fatigue during extended use

✔️ Fine Particle Size: 95% under 150 µm for easy dispersion and high reactivity✔️ Multi-Functional Use: Suitable for grout formulations

Handling & Storage

The surface is free of any printed lettering and branding so is ideal for installation behind open jointed cladding

the churn brush compacts the material into the joint

Temperature resistance: -30°C to +80°C

and leak sealing in masonry✔️ Compatible with: Natural hydraulic lime

substrate type

or areas of weakened masonry that require stabilisation without introducing rigid or impermeable materials

Before the cladding is installed

It is part of the Roundtower range of breathable fillers

high adhesion