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100mm Knauf DriTherm 32 Cavity Slab 3.28m2 Pack – Pack Of 30

OUR CODE: MLB00041P Category Tag
Product Overview

Knauf Dritherm 32 cavity slab, 100mm x 1200mm x 455mm, covers 3.28m² per pack

Water-repellent, non-combustible insulation designed for external masonry cavity walls

Easy to handle and cut, with slabs sized to fit snugly between wall ties without retaining discs

Odourless, rot proof, and resistant to vermin, fungi, mould, and bacteria for long-lasting performance

No cavity barriers required due to full-fill, non-combustible design, suitable for buildings up to 12m high and multi-storey up to 25m in all exposure zones

Shipping

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

£1,248.39

Description

The Knauf Dritherm 32 cavity slab is a high-performance glass mineral wool insulation designed to provide reliable thermal protection for external masonry cavity walls. Ideal for builders, bricklayers and site managers, this slab offers a practical solution that combines ease of installation with excellent durability. Please note, cavity barriers are not required with this non-combustible full-fill insulation.

Specifically engineered for use in external masonry cavity walls, this slab ensures a tight fit between wall ties to eliminate air gaps and improve thermal efficiency. Its non-combustible nature reduces fire risk, allowing use in buildings up to 12 metres high and multi-storey structures up to 25 metres across all exposure zones, even very severe conditions. The insulation is lightweight and easy to cut, making it well suited to busy sites where reliable, quick installation is essential.

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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