Knauf 125mm x 1200mm x 455mm Dritherm 32 Cavity Slab 2.18m2
- Knauf Dritherm 32 cavity slab, 125mm thick, 1200mm x 455mm panel size
- Non-combustible, full-fill insulation eliminates air gaps for reliable thermal performance
- Water-repellent and BBA certified for use in all exposure zones, including very severe areas
- Lightweight and easy to cut, handle, and fit tightly between wall ties without retaining discs
- Manufactured with eco-friendly ECOSE Technology binder, free from added formaldehyde
Knauf Dritherm 32 is a high-performance glass mineral wool cavity slab designed for trade professionals and serious DIYers working on external masonry walls. This 125mm thick slab fits neatly between wall ties to provide consistent thermal insulation, helping to improve energy efficiency on construction sites. The product is non-combustible and water-repellent, making it a safe and reliable choice for buildings up to 12 metres high and multi-storey projects up to 25 metres in all exposure zones.
Application
Ideal for use in cavity wall insulation where thermal efficiency and fire safety are priorities. Suitable for new builds and refurbishment projects, Dritherm 32 is designed to fit snugly between wall ties without the need for retaining discs or cavity barriers, reducing installation time and risk of air gaps. Its resistance to rot, mould, fungi, and vermin ensures long-lasting performance on site, even in severe weather conditions.
Dimension
- Panel size: 1200mm x 455mm
- Thickness: 125mm (4.9 inches)
Material
- Glass mineral wool with ECOSE Technology binder (bio-based, low energy, no added formaldehyde)
Type
- Cavity wall insulation slab
Note: This insulation is designed for full-fill cavity installation and does not require cavity barriers. Images are for illustration purposes only.
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £150 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £150 ex VAT, standard delivery is £10 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £30 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.