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View Product Reviews125mm Knauf DriTherm Cavity Wall Insulation Slab 37 (3.28m2/Pack)
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Wed 16 Jul
- 2days
- 1hrs
- 25mins
- 48secs
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Product Overview
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Delivery & Returns Information
All delivery charges are shown in your basket and are dependent on the total value of items in your basket based on product category.
This charge is based on delivery to mainland UK excluding the following postcodes: AB, CF, DD, DG, KW, IV, LD, LL, NP, PH, SA and SY. If your delivery address is in any of these postcode areas a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.
Standard (Nationwide) Delivery
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £150 | £50 ex. VAT |
| Between £150 - £400 ex. VAT | £35 ex. VAT |
| Over £400 ex. VAT | FREE |
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £20 ex. VAT |
| Between £100 - £250 ex. VAT | £15 ex. VAT |
| Over £250 ex. VAT | FREE |
| SuperFOIL and YBS products | |
| ORDER VALUE | DELIVERY CHARGE |
| Each item | £10 ex. VAT |
| Over £350 ex. VAT of 1 brand | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £7.50 ex. VAT |
| Over £100 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{home}} Use in external masonry cavity walls
- {{local_fire_department}} A1 non-combustible
- {{thermostat}} 0.037 W/mK thermal conductivity
- {{water_drop}} Water repellent
- {{public}} Zero Global Warming Potential (GWP)
- {{verified_user}} BBA certified
Technical Specification
| Material Type: | Glass Mineral |
|---|---|
| Thickness: | 125mm |
| Width: | 455mm |
| Length: | 1200mm |
| Pieces Per Pack: | 6 |
| Packs Per Pallet: | 40 |
| Sales Unit: | Pack |
| Sales Unit Coverage: | 3.28m2 |
| Brand: | Knauf Insulation |
| Manufacturer's Reference: | 316660 |
| Thermal Conductivity: | 0.037W/mK |
| Fire Rating: | A1 Non-Combustible |
Technical Downloads
What is 125mm DriTherm 37?
125mm Knauf DriTherm Cavity Wall Insulation Slab 37 is a carefully engineered thermal insulation solution that enhances the energy efficiency of masonry cavity external walls.
Developed by Knauf, this product is tailor-made for cavity wall applications, providing dependable thermal performance with a low thermal conductivity of 0.037 W/mK.
Crafted from premium glass mineral wool, this insulation slab boasts non-combustible properties, ensuring utmost safety in fire-prone areas while also eradicating the need for cavity barriers.
As well as this, a width of 455mm facilitates seamless, closed joints with adjacent slabs. Conveniently, 125mm Dritherm cavity slab 37 is sized to fit between wall ties without retaining discs.
Where Is 125mm Knauf Insulation Dritherm 37 Used?
- Residential and non-residential masonry cavity external walls
- Ideal for buildings up to 12 meters high in any exposure zone
- Suitable for multi-storey applications up to 25 meters in height
- BBA approved for use in all exposure zones - including very severe areas
125mm Dritherm Cavity Slabs 37 Key Features
- Incorporates a unique water-repellent additive, ensuring protection against moisture infiltration and maintaining dry, resilient walls.
- A1 Euroclass Reaction to Fire classification - non-combustible, minimises the risk of fire spreading through a cavity.
- Odourless, rot-proof, and non-hygroscopic, ensuring resistance to vermin and discouraging the growth of harmful microorganisms.
- Manufactured in strict compliance with industry standards, including BS EN 13162 and ISO 50001.
- Boasts zero Ozone Depletion Potential and zero Global Warming Potential, making it environmentally responsible.
- Offers minimal resistance to water vapour, with a water vapour resistivity of 5.00MNs/g.m, ensuring dry and moisture-free walls.
- Lightweight and easily cut to size for convenience during installation.
- Ensures a closed joint with adjacent slabs - preventing air gaps.
