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Product Details:
| Thickness | Length | Width | Slabs / Pack | Coverage (Sqm/Pack) |
| 50mm | 1200mm | 455mm | 20 | 10.92 Sqm |
| 75mm | 1200mm | 455mm | 16 | 8.74 Sqm |
| 100mm | 1200mm | 455mm | 12 | 6.55 Sqm |
| 125mm | 1200mm | 455mm | 8 | 4.37 Sqm |
| 150mm | 1200mm | 455mm | 6 | 3.28 sqm |
Isover CWS 36 Cavity Wall Insulation is the ultimate solution for enhancing thermal performance in masonry cavity walls. Crafted by Saint-Gobain, a leader in sustainable building solutions, this product is engineered to deliver superior insulation benefits while prioritizing environmental responsibility.
Made from premium quality glass mineral wool, Isover CWS 36 cavity wall slab insulation offer exceptional thermal conductivity, ensuring optimal energy efficiency in residential and commercial structures. Cavity slabs are precisely designed to be 455mm wide to fit between standard wall ties, making installation a breeze.
The innovative design of Isover cavity wall insulation allows it to seamlessly fit between wall tie spacing of the masonry cavity walls, maximising thermal insulation without compromising on space. Its non-combustible nature provides peace of mind, meeting the highest safety standards for construction materials.
Key Features:
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Premium Quality Materials: Crafted from high-grade glass mineral wool for superior insulation performance. Furthermore, they comtain water-repellet binders atht help condensation and moisture builf-up in the cavities
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Optimal Thermal Conductivity: Engineered to deliver excellent thermal conductivity of 0.036 W/m.K, these glass mineral wool slabs enhance energy efficiency in buildings.
- Seamless Integration: Designed to fit flawlessly into masonry cavity walls, maximising thermal insulation without sacrificing space.
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Non-Combustible Design: Isover CWS 36 cavity insulation achieves a Euroclass A1 Reaction to Fire classification, according to EN 13501-1., thereyby providing peace of mind with its non-combustible nature, meeting stringent safety standards for construction materials.
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Sustainable Production: Made from up to 75% recycled glass, these cavity slabs contribute to environmental sustainability while maintaining high-quality performance.
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Certified Performance: Recognised by BBA (British Board of Agrément) for its exceptional thermal performance and durability. Isover cavity wall slab 36 has been assessed by the BBA as fit for use in defined full fill and partial fill masonry cavity wall applications if installed, used and maintained as set out in the certificate.
Applications:
Isover cavity wall insulation can be used to insulate:
- External Walls - for full fill masonry cavity walls insulation
- Partial Fill Masonry Cavity Wall insulation as well
- Cavity wall insulation made of Glass mineral wool.
- Each slab is 1.2M long and 455mm wide to preciely fit between cavity ties.
- Isover cavity wall slab improves thermal insulation in external masonry walls.
- Non-Combustible, manufactured with a water repellent binder
- BBA approved cavity wall insulation
| Insulation Type | Cavity Batts |
| Brand | Isover |
| Material |
Fibreglass |
| Product Code | CWS 36 |
| Length | 1200 mm |
| Width | 455 mm |
| Thickness | 50mm, 75mm, 100mm, 125mm, 150mm |
| Thermal Conductivity | 0.036 W/mK |
| Fire Classification | Euroclass A1 |
| Application | Cavity wall insulation |
| Free Collections Available |
|---|
| Save on delivery charges and collect the order for free from a warehouse near you. Just choose the In-Store Pickup option at the checkout or call: 03303130245 |
| Free pick-up locations include - Warrington, Wolverhampton, Gatwick, Bedford, Ipswich, Glasgow, Newcastle, Leeds, Chesterfield and Bridgewater. |
| Delivery Terms | |
|---|---|
| Order Value (Excluding VAT) | Delivery Charge (Excluding VAT) |
| Above £370 | Free Delivery |
| Up To £370 | £50 |
Returns/Refunds And Cancellations:
You can cancel your order and get a full refund before we confirm your order via email. Orders cancelled after the order confirmation email is sent, may attract a restocking fee.
Cavity wall batts can be returned, provided they are in a resalable condition within 21 days from the date of receipt. Please contact us via email and we will assist you accordingly.
For more information on returns of faulty/damaged products and deliveries, please refer to our delivery information page.
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Customer Reviews
“ Cavity slabs arrived quickly and damage-free. Good prices too, Thank you very much”Dmitiri V
Verified Buyer
Our Customers Include
Discover the Isover CWS 36 Cavity Slabs featuring excellent thermal conductivity at 0.036 W/mK and declared thermal resistance of 2.75 m².K/W. These slabs are 1200mm x 455mm x 100mm and made with up to 82% recycled glass. They hold Euroclass A1 Reaction to Fire classification, providing high safety standards. Easy installation with standard wall tie spacing. These slabs offer sustainability, low greenhouse gas emissions, and a greener future. Various delivery options available for your convenience. Learn more about the exceptional benefits and environmental impact of Isover CWS 36 Cavity Slabs.
Key Takeaways
- Isover CWS 36 Slabs have a thermal conductivity of 0.036 W/mK.
- Made from up to 82% recycled glass for sustainability.
- Achieves Euroclass A1 Reaction to Fire safety classification.
- BBA approved for full and partial fill applications.
- Fits standard wall tie spacing for easy installation.
Product Overview
For a comprehensive understanding, explore the product overview of Isover Cavity Wall Insulation CWS 36 Cavity Slabs. These mineral wool slabs, measuring 1200 x 455mm, come with a thermal conductivity of 0.036 W/m.K.
The key product benefits of Isover CWS 36 include excellent thermal performance, sustainability through up to 82% recycled glass content, and a Euroclass A1 Reaction to Fire classification for safety. Customers rave about the ease of installation, as these slabs fit standard wall tie spacing, making the process straightforward.
Additionally, with a BBA approval certificate, these cavity wall insulation slabs are suitable for both full fill and partial fill masonry cavity wall applications. Customer reviews highlight the reliability and effectiveness of Isover CWS 36 Cavity Slabs in providing insulation and contributing to energy efficiency.
Installation Instructions
To guarantee proper installation of Isover CWS 36 Cavity Slabs, maintain sufficient spacing between wall ties to accommodate the 455mm wide slabs.
When handling the insulation, remember to wear appropriate protective gear to prevent any skin irritation.
If you encounter obstacles or irregular shapes, utilize cutting techniques using a sharp knife or insulation saw to tailor the slabs accordingly.
To secure the slabs effectively, make use of cavity wall ties or other suitable fixing methods to uphold thermal performance standards.
Adhering to safety precautions while installing the insulation is essential for a smooth process and optimum insulation benefits.
By following the manufacturer's guidelines diligently, you can guarantee that the installation meets the necessary standards for both thermal insulation benefits and fire safety regulations.
Stay mindful of these instructions to achieve a successful installation that maximizes the advantages of Isover CWS 36 Cavity Slabs.
Thermal Performance Details
The thermal conductivity of Isover Cavity Wall Insulation CWS 36 Slabs measures at 0.036 W/mK. This means that these slabs are effective at reducing heat transfer, keeping your home warmer in the winter and cooler in the summer. With a declared thermal resistance (RD) of 2.75 m².K/W, these slabs provide excellent insulation properties. The dimensions of the CWS 36 slab are 1200mm x 455mm x 100mm, ensuring a good fit for various wall cavities.
What makes these slabs even more appealing is that they're manufactured from up to 82% recycled glass, making them a sustainable choice for environmentally conscious individuals. By using sustainable materials in your home insulation, you can contribute to reducing your carbon footprint and promoting a greener future. Additionally, the Isover Cavity Wall Insulation CWS 36 Slabs achieve a Euroclass A1 Reaction to Fire classification, ensuring high fire safety standards for your peace of mind.
Environmental Impact Assessment
Considering the environmental implications of Isover Cavity Wall Insulation CWS 36, its composition from up to 82% recycled glass underscores its sustainable design and reduced ecological footprint. By utilizing recycled materials in its production, this insulation contributes to minimizing waste and conserving natural resources.
The energy efficiency of Isover CWS 36 not only helps in reducing energy consumption but also lowers greenhouse gas emissions, making it an environmentally friendly choice. Additionally, its low Global Warming Potential and Zero Ozone Depletion Potential highlight its eco-friendly attributes.
Choosing Isover CWS 36 for your insulation needs not only boosts the energy efficiency of your space but also supports sustainable practices that benefit the environment. This insulation not only provides excellent thermal performance but also safeguards that your home remains comfortable while reducing your carbon footprint.
Make a positive impact on the environment by selecting Isover CWS 36 for your insulation requirements.
Delivery and Purchase Options
For convenient ordering and quick access to Isover CWS 36 Cavity Slabs, consider exploring the varied delivery and purchase options available.
When it comes to delivery speed, you have the choice of next day delivery if you place your order by 10 am, or you can opt for standard delivery, which typically takes 2 to 3 working days. If you hold a Jewson account and your order exceeds £100 ex VAT, you can enjoy free delivery. For orders below this threshold, delivery charges are calculated based on the order value.
To cater to your convenience, there's a Click & Collect option that allows you to pick up your order in just 15 minutes, subject to availability and location. It's important to note that deliveries are kerb-side only, and you'll receive a confirmation email once your order is placed. For orders under £200 ex VAT placed through web login or guest checkout, there's a £40 ex VAT delivery charge. Keep in mind that this excludes Tool Hire and non-standard delivery areas.
In terms of payment methods, various options are available to suit your preferences.
Frequently Asked Questions
What Is the Difference Between Isover CWS 32 and 36?
When comparing Isover CWS 32 and 36, note CWS 36 has better thermal performance for external walls. Its installation process offers higher energy efficiency. Although CWS 36 may cost more, its thermal conductivity value sets it apart.
What Are the Downsides of Cavity Wall Insulation?
Moisture problems and installation issues are common downsides of cavity wall insulation. Make sure to address ventilation needs post-installation to prevent moisture buildup. Incorrectly installed insulation can lead to dampness, affecting your home's health.
What Is the Best Performing Cavity Wall Insulation?
For the best performing cavity wall insulation, focus on the installation process for efficiency. Consider environmental impact and low maintenance needs. Choose wisely to boost energy efficiency and reduce costs while ensuring comfort and sustainability.
How Much Does It Cost to Insulate a Cavity Wall in the Uk?
When insulating a cavity wall in the UK, costs vary based on quantity needed, discounts, and delivery options. Consider total project expenses, including material, delivery, and installation accessories for energy savings and comfort.
