Knauf 100mm DriTherm 32

Dritherm Cavity Slabs are specially designed insulation for use in full fill external Masonry Cavity Wall.

  • Slabs are 455mm wide to suit standard vertical wall tie spacings
  • Water repellent
  • BBA approved for use in all exposure zones
  • Slabs ‘knit’ together, eliminating air gaps between adjacent slabs
  • Thermal Conductivity (W/mK): 0.037
  • Thermal Resistance (R Value): 2.7 * Euroclass Reaction to Fire Classification (A1-F): A1
£54.91 per Pack(s)
In stock online
Please call in advance to check your local branch's availability
Product code
Stock availability ()
  • Bedminster: 144
  • Bridgwater: 80
  • Fishponds: 5
  • Horfield: 5
  • Lockleaze: 80
  • Marlborough: 89
  • Nailsea: 4
  • Stonehouse: 134
  • Swindon: 138
  • Wincanton: 64
  • Worcester: 144
  • Yate: 91


Earthwool DriTherm Cavity Slabs are non-combustible Glass Mineral Wool slabs, manufactured using our revolutionary ECOSE® Technology and a water repellent additive, designed for use in external masonry cavity walls to provide a full-fill insulation solution which is installed as walls are being built. They are 455mm wide to suit standard vertical wall tie spacings allowing a closed joint with adjacent slabs.

Earthwool DriTherm Cavity Slabs are for the thermal insulation of masonry cavity external walls and are installed to fully fill the cavity. They are approved for use in buildings up to 12m high in any exposure zone and for use in multi-storey applications up to 25m in height.

Earthwool DriTherm Cavity Slabs are manufactured in accordance with BS EN 13162, ISO 50001 Energy Management Systems, OHSAS 18001 Occupational Health and Safety Management Systems, ISO 14001 Environmental Management Systems, and ISO 9001 Quality Management Systems, as certified by Bureau Veritas

More Information
More Information
Price On ApplicationNo
Coverage (m2)3.28 m²
Gross Weight (Kg)11.47 kg
Length (mm)1200 mm
Width (mm)455 mm
Height (mm)100 mm

We deliver

When you place an order for delivery, we’ll ask when and where you want it to go. We understand that time is money in the building industry, which is why we’ll always do our best to fit around you. Our delivery service is capable of getting to even the tightest of building sites, we have a wide range of vehicles, each with different capabilities in terms of weight, capacity and accessibility. Please advise us of any special access requirements when ordering. Our driver can call you prior to their delivery drop, and you can reiterate any specific delivery access requirements.

Delivery cost

Delivery is £18.00 on all orders (£15.00 +VAT.)

Where we deliver

We deliver all around the South West of England. To check if your postcode falls out of our delivery area, please enter your postcode at the checkout. Concrete deliveries from the Stonehouse branch have their own delivery structure based on distance from the Concrete Plant. Please contact the branch directly for an exact cost.

Search engine powered by ElasticSuite