Cavity Wall Insulation from Kennings – The Friendliest Merchant in the Land

Thermal Protection for Every Wall

Our Cavity Wall Insulation slabs are designed to improve energy efficiency in external masonry walls. Made from glass mineral wool, they’re non-combustible, water-repellent, and easy to install—ideal for both full-fill and partial-fill applications.

Explore our cavity insulation range online and enjoy expert advice and friendly service from your local merchant.

Why Choose Kennings?

At Kennings, we pride ourselves on being the friendliest merchant in the land. Our cavity wall batts are BBA-approved, fire-rated to Euroclass A1, and cut to 455mm widths for easy fitting between standard wall ties. They’re suitable for use in all UK exposure zones.

Our Popular Options and Much More

• 150mm Cavity Wall Insulation – Superwall 36 (3.28m² Pack)
  Thermal conductivity: 0.036 W/m·K. Ideal for full-fill or partial-fill masonry walls up to 25m high.
• 100mm Cavity Wall Insulation (4.37m² Pack)
  Silicone-impregnated glass mineral wool slab. Easy to cut, handle, and install.

Why Choose Our Cavity Wall Insulation?

These slabs are perfect for new builds and retrofits. They reduce heat loss, improve acoustic performance, and help meet building regulations. Lightweight and flexible, they’re a smart choice for energy-conscious homeowners and contractors alike.

Visit Us or Order Online Today

Drop by our yard or shop online to find the perfect Cavity Wall Insulation for your next project. Quality materials, expert support, and unbeatable service—all from the friendliest merchant in the land.

Call us today on 01405 80 2222 for expert advice or to place your order!