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125mm Knauf Earthwool DriTherm Cavity Wall Insulation Slab 37 (3.28m2/Pack)

URN: 3002124
£55.55ex. VAT £16.94 per m2
£55.55ex. VAT
£16.94 per m2
125mm Knauf Dritherm Cavity Slab 37 is purposed for use in masonry cavity walls where a full fill insulation solution is required.

Nationwide Delivery

Wed 13 Mar

±40 Sold in multiples of 40
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Coverage required
m
m
Based on your total area of m2 (inc. 10% wastage) - of these are required (actual coverage of m2)

We recommend purchasing at least 10% extra product to allow for errors, damages or obstacles

Product Overview

125mm Knauf Dritherm Cavity Slab 37 is purposed for use in masonry cavity walls where a full fill insulation solution is required.

URN: 3002124
£55.55ex. VAT
±40 Sold in multiples of 40
x40 Sold in multiples of 40

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.

Standard (Nationwide) Delivery

Insulation, Plasterboard and Drylining Products
ORDER VALUE DELIVERY CHARGE
Under £150 ex. VAT £50 ex. VAT
Between £150 - £300 ex. VAT £35 ex. VAT
Over £300 ex. VAT FREE
Timber & Sheet, Building Materials, Doors & Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £100 ex. VAT £35 ex. VAT
Between £100 - £300 ex. VAT £20 ex. VAT
Over £300 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 ex. VAT £7.50 ex. VAT
Over £100 ex. VAT FREE
Thermafleece CosyWool Roll & SupaSoft Insulation
QUANTITY DELIVERY CHARGE
1 £30 ex. VAT
2 £60 ex. VAT
3 to 12 £70 ex. VAT
13 to 24 £140 ex. VAT
25 to 36 £210 ex. VAT
37 to 48 £280 ex. VAT
49 to 60 £350 ex. VAT
61+ £420 ex. VAT
Thermafleece CosyWool Slab, Thermafleece UltraWool & Thermafleece NatraHemp
QUANTITY DELIVERY CHARGE
1 £30 ex. VAT
2 £60 ex. VAT
3 to 4 £70 ex. VAT
5 to 8 £140 ex. VAT
9 to 12 £210 ex. VAT
13 to 16 £280 ex. VAT
17 to 20 £350 ex. VAT
21+ £420 ex. VAT

Express Delivery

Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE DELIVERY CHARGE
Under £300 ex. VAT £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Doors & Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £300 ex. VAT £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT

This charge is based on delivery to mainland UK excluding the Scottish Highlands. If your delivery address is in the Scottish Highlands 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.

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Returns

We offer a 30 day returns policy on any faulty products.

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Key Features

  • Odourless, rot-proof, and non-hygroscopic
  • A1 Euroclass Reaction to Fire 
  • Water vapour resistivity of 5.00MNs/g.m
  • Ensures a closed joint with adjacent slabs 
  • Designed for use in masonry cavity external walls

Technical Specification

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

What is 125mm DriTherm 37?

125mm Knauf Earthwool 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. 


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