Please note a likely extended lead time. Please enquire to check stock or for further details.
Earthwool Dritherm Cavity Slab 37 Standard
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Earthwool DriTherm Cavity Slab 37 Standard
For the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity.
DriTherm Cavity Slabs are semi-rigid or rigid slabs of non-combustible, glass mineral wool with a water-repellent additive. They are 455mm wide to suit standard vertical wall tie spacings, ensuring a closed joint with adjacent slabs. Theyhave a special additive to make the product water repellent and are produced in three grades:
- DriTherm Cavity Slab 37 Standard has a thermal conductivity ranging from 0.035 to 0.037 W/mK
- DriTherm Cavity Slab 34 Super has a thermal conductivity of 0.034 W/mK
- DriTherm Cavity Slab 32 Ultimate has a thermal conductivity of 0.032 W/mK
DriTherm Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling 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.
DriTherm Cavity Slabs are non-combustible inorganic glass wool, defined as mineral wool in BS 3533: 1981 and are manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001: 2000.
Durability - DriTherm Cavity Slabs are odourless, rot proof, non-hygroscopic, do not sustain vermin and will not encourage the growth of fungi, mould or bacteria
Vapour resistance - DriTherm Cavity Slabs offer virtually no vapour resistance, allowing water vapour to pass freely through the slab
Thermal - DriTherm Cavity Slabs have thermal conductivities ranging from 0.032 to 0.037 W/mK
Fire - DriTherm Cavity Slab is classified as Euroclass A1 to BS EN ISO 13501-1
- British Board of Agrément approved for use in all exposure zones
- Excellent thermal and fire performance
- Water repellent
- Slabs ‘knit’ together, thus eliminating air gaps between adjacent slabs
Orders and Delivery
Free delivery if your order is over £300 Inc VAT. Orders under £300 are subject to a £30.00 Inc VAT delivery charge.
When ordering on line you can specify the date of delivery, however we would not be able to specify the time of delivery on that day.
♦ Please note that we have a number of large vehicles, including articulated vehicles that may be used for delivery. Please advise us in the comments on your order if access to the delivery address is limited.
♦ Due to insurance guidelines, delivery personnel are unable to enter private residences. Delivery will be as far as possible to the kerbside of the delivery address. The recipient of the products is responsible for any additional lifting once the delivery has been made. Please bear in mind that Insulation products can be bulky and / or heavy.
♦ The delivery driver will require a signature to confirm the goods have been received.
† Unfortunately we, Insulation Express, cannot deliver to the Highlands & Islands of the UK. However we will be happy to deliver to a freight forwarding company on your behalf.
Returns and Refunds
In the unlikely event that you need to return an item, please contact our team on 0330 123 1885 within 14 days of accepting delivery of the item. Restocking charges may apply. We will discuss this with you upon receipt of the cancellation request. Restocking charges will be applied where the products are no longer required AND NOT for goods returned because either defective or damaged. We usually charge 25% of value (minimum £25.00).
Please note that we cannot accept returns on special orders. Special orders may consist of items sent via third party shipping companies or made to measure products. If you are unsure on whether or not your item is a special order, please contact us on 0330 123 1885 prior to placing the order.