Knauf DriTherm 37 50mm Cavity Insulation Slab

50mm Knauf DriTherm 37 Cavity Insulation Slabs are water-repellent glass mineral wool slabs engineered for full-fill masonry cavity walls. These slabs deliver outstanding thermal performance across a range of construction applications. They're non-combustible and achieve the highest Euroclass A1 fire rating. Made with Knauf Insulation ECOSE® Technology bio-based binder.

Product specification

• Brand: Knauf®
• Model: DriTherm 37 - 50mm
• Thickness: 50mm
• Length: 1200mm
• Width: 455mm
• Dimensions: 1,200mm x 455mm x 50mm
• Board Coverage: 0.546m2
• Pack Coverage: 6.55m2
• R-Value: 1.40m2K/W
• Thermal Conductivity: 0.037 W/mK
• Vapour Resistivity: 5.00MNs/g.m.
• Density: 27kg/m3
• Material: Glass Mineral Wool
• Profile: Ultimate Cavity Slab
• Building Regulations: Class '0'
• Fire performance: Euroclass A1 (non-combustible)
• Finish: Unfaced
• Applications: Masonry cavity walls
• ECOSE Technology: Yes
• Features: Non-combustible ǀ Water-repellent
• Manufacturer: Knauf DriTherm®

ADVANTAGES

1. Non-combustible full-fill insulation removes the requirement for cavity barriers, lowering fire spread risk within cavities.
2. BBA certified and water-repellent, approved for all exposure zones including severe coastal environments.
3. Dimensioned to fit between wall ties without needing retaining discs, simplifying installation.

About

The 50mm Knauf DriTherm 37 Ultimate Cavity Insulation Slab is a water-repellent glass mineral wool product for full-fill external masonry cavity walls. With thermal conductivity of 0.037W/mK, it provides reliable thermal protection.

This cavity slab is highly durable, odourless, rot-resistant, non-hygroscopic, and vermin-proof. It resists fungi, mould, and bacterial growth.

Manufactured using Knauf ECOSE Technology, these Cavity Wall Slabs feature an excellent Euroclass A1 fire rating. BBA certified for all exposure zones including severe areas, they're approved for buildings up to 12m in any exposure zone and multi-storey applications up to 25m.

These insulation slabs contain no ozone-depleting substances or greenhouse gases. Knauf glass and rock mineral wool installation is straightforward compared to rigid boards. The Knauf DriTherm Cavity Insulation Slabs conform to substrate irregularities, bonding together to prevent air gaps and thermal bridging.

Durability

The 50mm Knauf DriTherm Slabs are odourless, rot-resistant, non-hygroscopic, vermin-resistant, and prevent fungi, mould, and bacterial growth.

Application

Designed for thermal insulation in masonry cavity external walls, these 50mm slabs are installed to completely fill the cavity. They're approved for buildings up to 12m in any exposure zone (subject to BBA certification compliance) and suitable for multi-storey applications up to 25m high.

Dritherm Cavity Wall Specifications

Info

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