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Knauf Insulation DriTherm® Cavity Slab 37: Advanced Thermal and Moisture Protection for Masonry Cavity Walls
Knauf Insulation DriTherm® Cavity Slab 37 - Your solution for external full-fill masonry cavity walls.
These water-repellent glass mineral wool slabs offer a thermal conductivity of 0.037W/mK, ensuring your space stays warm and energy efficient. Certified non-combustible with the highest Euroclass A1 fire reaction classification, DriTherm® Cavity Slabs are manufactured using Knauf Insulation’s unique bio-based binder, ECOSE® Technology.
Key Benefits
- Moisture Resistance: Infused with a water-repellent additive, DriTherm® Cavity Slabs resist moisture ingress, maintaining their integrity and thermal properties even in very severe exposure zones.
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Certified Quality: Proudly holding an Agrément certificate from the BBA, Knauf Insulation DriTherm® Cavity Slabs meet stringent standards for use across all exposure zones, ensuring reliable performance.
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Perfect Fit: Designed to adapt seamlessly to wall imperfections, these glass mineral wool cavity wall insulation slabs knit closely together, eliminating air gaps, and ensuring consistent thermal efficiency throughout the building’s lifespan.
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Installation Simplicity: Friction fit between wall ties eliminates the need for ancillary products like retaining discs or jointing tape, simplifying the installation process.
- Comprehensive Insulation Solution: Provides a full-fill insulation solution that requires no additional cavity barriers to meet Approved Document B fire safety requirements.
Knauf Insulation DriTherm® Cavity Slab 37's available sizes
| Thickness | Thermal Resistance | Length | Width | Slabs Per Pack | Area Per Pack |
| 50mm | 1.40m2K/W | 1200mm | 455mm | 12 | 6.552m2 |
| 75mm | 2.00m2K/W | 1200mm | 455mm | 8 | 4.368m2 |
| 100mm | 2.70m2K/W | 1200mm | 455mm | 12 | 6.552m2 |
| 125mm | 3.35m2K/W | 1200mm | 455mm | 6 | 3.276m2 |
| 150mm | 4.05m2K/W | 1200mm | 455mm | 8 | 4.368m2 |
Product Specifications
| Specification | Value |
| Thermal Conductivity | 0.037W/mK |
| Fire Classification | A1 |
| Generic BRE Green Guide Rating | A+ |
| Vapour Resistivity | 5.00 MNs/g.m |
| Manufactured Density | <10kg/m³ |
Applications
Knauf Insulation DriTherm® Cavity Slabs are primarily used for thermal insulation in both residential and commercial external masonry cavity walls.
These glass mineral wool slabs are installed as the wall is constructed, fitting snugly between the inner and outer leaves and around wall ties.
DriTherm® Cavity Slabs’ width is optimally designed to match standard vertical wall tie spacings, ensuring tight joints and continuous insulation coverage. The addition of a water-repellent additive further enhances moisture defence, making these. These glass mineral wool cavity wall insulation slabs an excellent choice for any construction in challenging environments.
Frequently Asked Questions (FAQs)
What is the advantage of using Knauf Insulation DriTherm® Cavity Slabs for cavity wall insulation?
Knauf Insulation DriTherm® Cavity Slabs are designed to provide superior thermal performance with a thermal conductivity of 0.037 W/mK. These glass mineral wool slabs are specifically engineered for full-fill masonry cavity wall applications, ensuring a snug fit and maximum energy efficiency.
What is the difference between Knauf Insulation DriTherm® Cavity Slab 32 and Knauf Insulation DriTherm® Cavity Slab 37?
The primary difference between Knauf Insulation DriTherm® Cavity Slab 32 and DriTherm® Cavity Slab 37 lies in their thermal conductivity values, which indicate the material's effectiveness in insulating against heat transfer. The DriTherm® 32 has a thermal conductivity of 0.032 W/mK, making it more effective at insulation compared to the DriTherm® 37, which has a thermal conductivity of 0.037 W/mK.
Both products are designed for full-fill insulation in masonry cavity walls and are manufactured using Knauf's ECOSE® Technology, making them environmentally friendly options. Additionally, both types are non-combustible with a Euroclass A1 fire rating and feature water-repellent properties, though they are not waterproof.
Choosing between these two will depend on the specific insulation requirements and energy efficiency targets of your project, with the DriTherm® 32 offering slightly better insulation performance due to its lower thermal conductivity.
How do Knauf Insulation DriTherm® Cavity Slab 37's handle moisture?
The DriTherm® Cavity Slabs include a water-repellent additive that helps resist moisture ingress, making them an excellent choice for use in all exposure zones, including those deemed 'Very Severe.' This feature ensures long-term durability and consistent thermal performance.
Can Knauf Insulation DriTherm® Cavity Slabs be used in any residential project?
Yes, Knauf Insulation DriTherm® Cavity Slabs are suitable for use in both residential and non-residential external masonry cavity walls. Their design allows for installation during the wall-building process, ensuring seamless integration without the need for additional barriers to meet fire safety requirements.
What makes glass mineral wool slabs like DriTherm® ideal for cavity wall insulation?
Glass mineral wool slabs, such as Knauf Insulation DriTherm® Cavity Slabs, offer excellent thermal and acoustic insulation properties. They are non-combustible, moisture-resistant, and made with sustainable materials, making them an environmentally friendly choice for cavity wall insulation.
Why choose full-fill cavity wall insulation with Knauf Insulation's products?
Full-fill cavity wall insulation with Knauf Insulation products, like the DriTherm® Cavity Slabs, ensures that the entire cavity is filled with insulation, eliminating air gaps and significantly improving the wall’s thermal performance. This method is highly effective in reducing heat loss and is easy to install, providing a cost-effective insulation solution.
What certifications do Knauf Insulation DriTherm® Cavity Slabs hold?
Knauf Insulation DriTherm® Cavity Slabs are certified with an Agrément certificate by the BBA, ensuring that they meet high standards of quality and performance for use across various exposure zones. This certification provides assurance of their suitability and safety for building projects.
How does glass mineral wool cavity wall insulation contribute to building sustainability?
Using glass mineral wool cavity wall insulation like the Knauf Insulation DriTherm® Cavity Slabs helps reduce energy consumption by improving thermal efficiency. The materials used are sustainable, containing a high percentage of recycled content, and contribute to a building’s overall environmental performance by minimizing carbon emissions.
Downloads
Data Sheet - Click Here
| Feature | Values |
|---|
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 50 mm |
| Material: | Mineral wool |
| Unit Coverage: | 6.552 M² |
| Manufactures Part Number: | 316650 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 75 mm |
| Material: | Mineral wool |
| Unit Coverage: | 4.368 M² |
| Manufactures Part Number: | 316654 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 100 mm |
| Material: | Mineral wool |
| Unit Coverage: | 6.552 M² |
| Manufactures Part Number: | 2400401 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 125 mm |
| Material: | Mineral wool |
| Unit Coverage: | 3.28 M² |
| Manufactures Part Number: | 316660 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 150 mm |
| Material: | Mineral wool |
| Unit Coverage: | 4.37 M² |
| Manufactures Part Number: | 580216 |
Delivery Charges and Information
At Insulation UK, we strive to provide clear and transparent information regarding delivery charges and order processing. Below are the details of our delivery charges, minimum order requirements, and additional delivery options.
Delivery Charges
We have structured our delivery charges based on the total value of your order. Please refer to the table below for specific charges:
| Order Value | Delivery Charge |
|---|---|
| £0 - £150 ex-VAT | Below minimum order value |
| £150 - £500 ex-VAT | £59.95 ex-VAT |
| Above £500 ex-VAT | Free Delivery |
Local Delivery Charge
For deliveries within 35 miles of Postcode S63 9BL, we offer a local delivery service. For orders up to £500 ex-VAT, the delivery charge is £35.00 ex-VAT. Orders above £500 ex-VAT will qualify for free delivery within this range.
Minimum Order Requirements
We require a minimum order value of £150 (excluding VAT) or £180 (including VAT), plus delivery charges. This policy helps us maintain efficient order processing and delivery services. Ensure your order meets this requirement before proceeding to checkout. For questions or assistance, our customer support team is here to help.
Order Processing Information
Orders are processed Monday to Friday from 8 AM to 5 PM. Orders placed over the weekend or on bank holidays will be processed on the next working day. Delivery timeframes are calculated starting the day after your order has been processed, and you will receive tracking information once your order is dispatched.
Weekend Deliveries
Weekend deliveries are available upon request and are subject to the availability of existing delivery routes. Please contact us to confirm if a weekend delivery can be arranged for your order.
Orders Placed on Weekends and Holidays
Please note that any orders placed on weekends or bank holidays will be processed on the next working day. This may affect your expected delivery time, so we advise placing your order accordingly. For more information on delivery times during weekends and holidays, please contact our customer support team.
Collections
For customers who prefer to collect their orders, please contact us to arrange a convenient time. Our team will assist you in scheduling the collection. You can reach us by phone at 0300 303 4578 or via email at sales@insulationuk.co.uk.
Product Delivery Times
Most of our orders are dispatched within 3 working days. However, this timeframe may extend to 5 working days for larger orders. Specialty items may take between 5 to 7 working days. Please note that delivery timeframes can change depending on the product. For the most up-to-date delivery times, please check the product page or contact us directly.
We will contact you within 24 to 48 hours after your order is placed to confirm delivery times and dates. If you have urgent delivery needs, please reach out to us for further assistance.
Where We Deliver
We have a fleet of FORS delivery vehicles all with Moffett mechanical offloads that deliver nationwide. For smaller orders, we may use third-party carriers. If you have specific delivery inquiries, please feel free to contact us.
Please note that deliveries to the blue areas on the map may incur additional costs or experience delayed delivery times. For further information regarding these areas, please contact our customer support team.
| Feature | Values |
|---|
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 50 mm |
| Material: | Mineral wool |
| Unit Coverage: | 6.552 M² |
| Manufactures Part Number: | 316650 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 75 mm |
| Material: | Mineral wool |
| Unit Coverage: | 4.368 M² |
| Manufactures Part Number: | 316654 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 100 mm |
| Material: | Mineral wool |
| Unit Coverage: | 6.552 M² |
| Manufactures Part Number: | 2400401 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 125 mm |
| Material: | Mineral wool |
| Unit Coverage: | 3.28 M² |
| Manufactures Part Number: | 316660 |
| Brand: | Knauf |
| Length: | 1200 mm |
| Width: | 455 mm |
| Thickness: | 150 mm |
| Material: | Mineral wool |
| Unit Coverage: | 4.37 M² |
| Manufactures Part Number: | 580216 |
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