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85mm Knauf DriTherm 32 Cavity Slab 2.73m2 Pack – Pack Of 45

OUR CODE: MLB00036P Category Tag
Product Overview

Knauf Dritherm 32 cavity slab measuring 85mm x 1200mm x 455mm (3.35in x 47.24in x 17.91in) for effective wall insulation

Water-repellent, non-combustible mineral wool that fits tightly between wall ties without retaining discs

Resistant to rot, odourless, and inhibits vermin, fungi, mould and bacterial growth

Lightweight and easy to cut, handle, and install on site for quick progress

No cavity barriers required; suitable for buildings up to 12m high and multi-storey up to 25m, including very severe exposure zones

Shipping

Estimated Delivery:
Thursday 5th March – Friday 6th March

£1,418.63

Description

The Knauf Dritherm 32 cavity slab is a robust glass mineral wool insulation designed specifically for external masonry cavity walls. Trade professionals and serious DIYers will appreciate its reliable thermal performance and ease of installation, making it a smart choice for building projects requiring durable, fire-safe insulation. Please note: cavity barriers are not required with this non-combustible full-fill insulation.

This cavity slab is ideal for thermally insulating external walls in residential and commercial buildings. Its tight fit between wall ties eliminates gaps that can reduce efficiency, while its non-combustible nature minimises fire risk, removing the need for cavity barriers. It suits buildings up to 12 metres in height and multi-storey projects up to 25 metres, even in very severe exposure zones. The product is also water-repellent and BBA certified, ensuring consistent performance in all weather conditions.

Delivery Is Available to the Following Postcodes:

AL • BR • CB • CM • CR • DA • E • EC • EN • HA • HP • IG • KT • LU • MK • N • NN • NW • OX • PE • RH • SE • SG • SL • SM • SW • TW • UB • W • WC
Delivery Option Delivery Fee Order Value
Core Delivery £25 £100 – £499.99
Free Delivery £0 Orders £500 and over

Returning An Item

At Halcyon Timber, we strive to provide the highest level of customer satisfaction. If for any reason you are not fully satisfied with your purchase, we offer a straightforward return policy.

To initiate a return, please provide proof of purchase (such as a till receipt or order confirmation email) and ensure that the product is returned in the same condition it was delivered in—clean, dry, undamaged, and in its original packaging.

Returns must be made within 30 days from the date of purchase or receipt of the product, whichever is later.

Please send all returns to:

HALCYON TIMBER
2 WARRENWOOD INDUSTRIAL ESTATE
HERTFORD SG14 3NU

Please note that all returns are subject to a 20% restocking charge. This policy covers the costs associated with restocking and processing returned items.

We thank you for your business and hope that you are completely satisfied with your Halcyon Timber purchase. If you have any questions or concerns regarding our return policy, please do not hesitate to contact us. Our customer service team is always ready to assist you.

Getting A Refund

To obtain a refund, all goods within an order must be returned to Halcyon Timber in good condition before the refund will be processed. Goods must be returned in the same condition they were delivered in—clean, dry, and undamaged.

Please note that a 20% restocking charge applies to all returns.

All refunds will be credited to the original payment card used to make the order. Refunds take 3-5 working days to process; the time it takes to appear in your account depends on your bank’s processing time.

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