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Knauf Insulation DriTherm 32 Cavity Slab 1200 × 455mm – 100mm (Pack of 6, 3.28m²)

Knauf Insulation DriTherm 32 Cavity Slab 1200 × 455mm – 100mm (Pack of 6, 3.28m²)
Regular price £35.23 ex VAT£42.28 inc VAT
Regular price Sale price £35.23 ex VAT£42.28 inc VAT
Sale Sold out

In stock

Minimum order £400 ex VAT, free delivery in England · Mainland Wales & Scotland: minimum order £400 ex VAT + £40 + VAT delivery

Delivery timing depends on stock and location; contact us before ordering if your project has a deadline. Full delivery rules

Prices exclude VAT.Prices shown include VAT at 20%. Delivery calculated at checkout.

Spread the cost: pay in 3 with Klarna, PayPal or Shop Pay at checkout Subject to status.

Bulk orders? Call 03330 908479 or contact us for a bulk quote.

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How many do I need?

This product covers 3.28m² per pack, as shown in the product title. Enter the area you need to cover.

For a full take-off, try the insulation calculator.

Delivery

Minimum order £400 ex VAT, free delivery in England · Mainland Wales & Scotland: minimum order £400 ex VAT + £40 + VAT delivery · Full delivery rules

  • Free delivery with forklift offload
  • Minimum order £400 ex VAT on insulation, plasterboard & drylining

Minimum order applies: add £400.00 ex VAT of these items to reach the £400 ex VAT minimum order.

Delivery timing depends on stock and location; contact us before ordering if your project has a deadline. Full delivery details · Urgent courier quote (extra charge) · 03330 908479

  • Genuine manufacturer stock
  • Trade pricing, shown ex VAT
  • Call 03330 908479 for bulk quotes

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For larger quantities or a full project list, call us, send a message or chat on WhatsApp. We will come back with a quote.

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Knauf Insulation DriTherm Cavity Slab 32, 100mm. A water-repellent glass mineral wool slab for fully filling the cavity of masonry walls as they are built. It is non-combustible (Euroclass A1), BBA certified (95/3212) and made with Knauf's ECOSE Technology binder. Declared thermal conductivity 0.032 W/mK; at 100mm the thermal resistance is 3.10 m²K/W. Sold per pack of 6 slabs (3.276m²).

Specifications

Brand Knauf Insulation
Product DriTherm Cavity Slab 32
Manufacturer code 715829
Thickness 100mm
Slab size 1200 × 455mm
Slabs per pack 6
Coverage per pack 3.276m²
Thermal conductivity (λ) 0.032 W/mK
Thermal resistance (R-value) 3.10 m²K/W
Reaction to fire Euroclass A1 (non-combustible)
BBA certificate 95/3212
Declaration of Performance G4207OPCPR
Sold as Pack of 6

Delivery

£400 ex VAT minimum, with free delivery in England. We can also deliver to mainland Wales and mainland Scotland with a £400 ex VAT minimum plus £40 + VAT delivery. Delivered by Moffett lorry (forklift offload); someone must be present to receive it.

Downloads & technical information

FAQs

What does the price cover?
The price shown is ex VAT and is for one pack of 6 slabs covering 3.276m².

How many packs do I need?
Use our insulation calculator, or divide the net wall area (m²) by 3.276 and round up.

What are the delivery charges?
£400 ex VAT minimum, with free delivery in England. We can also deliver to mainland Wales and mainland Scotland with a £400 ex VAT minimum plus £40 + VAT delivery. Delivered by Moffett lorry (forklift offload); someone must be present to receive it. We do not deliver to Northern Ireland or the Scottish islands.

What is the difference between DriTherm 32, 34 and 37?
The number is the thermal conductivity: DriTherm 32 (0.032 W/mK) gives a lower U-value for the same cavity width than DriTherm 37 (0.037 W/mK).

Quick answers

What size is Knauf Insulation DriTherm 32 Cavity Slab 1200 × 455mm – 100mm and how much does it cover?
Size: 1200 × 455mm; thickness: 100mm; coverage: 3.276m²; sold as: Pack of 6. Prices are shown ex VAT.
What is Knauf Insulation DriTherm 32 Cavity Slab 1200 × 455mm – 100mm used for?
A water-repellent glass mineral wool slab for fully filling the cavity of masonry walls as they are built.
What is the thermal and fire performance of Knauf Insulation DriTherm 32 Cavity Slab 1200 × 455mm – 100mm?
According to the manufacturer's data listed on this page: declared thermal conductivity (λ) 0.032 W/mK; thermal resistance (R-value) 3.10 m²K/W; reaction to fire Euroclass A1 (non-combustible).
What does delivery cost and is there a minimum order?
Delivery is free to England with a minimum order of £400 ex VAT (insulation, plasterboard and drylining can be combined to reach the minimum). We deliver to England only. Call 03330 908479 or email sales@insulationwarehousedirect.co.uk for help or bulk quotes.

Delivery information

Minimum order £400 ex VAT. Free delivery in England. Mainland Wales and Scotland: £400 ex VAT minimum plus £40 + VAT delivery.

Insulation, plasterboard, drylining, ceilings, timber, aggregates and cement. Separately delivered ranges have separate minimums. Access panels and Evolution fixings have their own delivery rules.

Delivery timing depends on stock and location; contact us before ordering if your project has a deadline.

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