Cornerstone Insulating Lime Plaster

Warmth. Breathability. Built to Last.

Upgrade your building's comfort without compromising its health.

Cornerstone Insulating Plaster is a high-performance, breathable plaster and render designed to improve thermal efficiency while working in harmony with traditional and solid-wall construction.

Why Choose Cornerstone?

• 🌡️ Improves thermal performance - warmer walls, reduced heat loss
• 💨 Fully breathable - manages moisture and helps prevent condensation
• 🧱 Perfect for solid & heritage walls - stone, brick, cob, and lime-built structures
• 🔥 Non-combustible - safe and robust by design
• 🌍 Low-impact & sustainable - natural materials, healthier indoor air
• 🛠️ Simple application - no boards, no fixings, no cavities required