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  • cavity slab insulation
  • cavity slab insulation
  • cavity slab insulation
  • cavity slab insulation

Isover Cavity Wall Insulation - CWS 32 Cavity Slabs

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(incl VAT) £50.24 £45.67
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(excl VAT) £38.06
Orders placed between 21st Dec and 1st Jan will be processed on 02-01-2025. Merry Christmas!
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Product Details:

Thickness Length Width Slabs / Pack Coverage (Sqm/Pack)
75mm 1200mm 455mm 10  5.46 Sqm
100mm 1200mm 455mm 6  3.28 Sqm
125mm 1200mm 455mm 5  2.73 Sqm
150mm 1200mm 455mm 4 2.18 sqm

Isover CWS 32 Cavity Wall Insulation is an outstanding solution for enhancing thermal performance in masonry cavity walls. Crafted by Saint-Gobain, a leader in sustainable building solutions, this cavity slab, is engineered to deliver superior insulation, compared to its couterparts, while prioritising environmental responsibility.

Made from premium quality glass mineral wool, Isover CWS 32 cavity wall slab insulation offer exceptional thermal conductivity, thanks to its reduced K-Value, 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 stress and mess-free.

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

  • Premium Quality Materials: avity insulation si amde of top-grade fibreglss or glass mineral wool.

  • Optimal Thermal Conductivity: Engineered to deliver excellent thermal conductivity of 0.032 W/m.K, these cavity slabs enhance energy efficiency in buildings.

  • Seamless Integration: Designed to fit flawlessly into masonry cavity walls, maximising thermal insulation without sacrificing space. Cavity slabs contain water repellent binder that help with condensation and moistire issues
  • Non-Combustible Design: Isover CWS 32  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.

  • Sustainable Production: Made from up to 75% recycled glass, these cavity slabs contribute to environmental sustainability while maintaining high-quality performance.

  • Certified Performance: Isover cacity insulation is recognised by BBA (British Board of Agrément) for its exceptional thermal performance and durability. Cavity Wall Slab (CWS) 32 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

  • Isover Cavity wall insulation is made of top-quality glass mineral wool.
  • Each slab od CWS 32 is 1.2M long and 455mm wide to preciely fit betweem cavity ties.
  • Isover cavity wall slab improves thermal insulation in external masonry walls, thanks to lower thermal conductivity
  • Non-Combustible, manufactured with a water repellent binder
  • BBA approved cavity slab insulation
Insulation Type  Cavity Batts
Brand  Isover
Material

 Fibreglass

Product Code  CWS 32
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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Isover Cavity Wall Insulation - CWS 32 Cavity Slabs

Seeking to enhance your home's energy efficiency and fire safety? Isover Cavity Wall Insulation CWS 32 Cavity Slabs could be the ideal solution. These mineral wool slabs, measuring 1200 x 455mm and crafted from 82% recycled glass, boast a top-notch Euroclass A1 fire rating. With a thermal conductivity of 0.032 W/m.K, they help to maintain a warm and snug living environment. For optimal effectiveness, ensure precise placement of the slabs, seal any gaps tightly, and secure them firmly. Engineered for outstanding fire resistance, they enhance the safety of your property. Take advantage of sustainable materials and clear installation instructions. Customers praise the quality and user-friendliness of these slabs. Delve deeper into the features of these impressive products.

Main points

  • Made from up to 82% recycled glass for sustainability.
  • Euroclass A1 fire rating for excellent fire resistance.
  • Thermal conductivity of 0.032 W/m.K for superior performance.
  • Water-repellent binder for durability.
  • Certified as CWS 32 by the British Board of Agrément.

Product Overview

For a thorough understanding of Isover Cavity Wall Insulation, let's explore its Product Overview.

The Isover Cavity Wall Insulation CWS 32 Cavity Slabs are 1200 x 455mm mineral wool slabs made from up to 82% recycled glass. These slabs have a Euroclass A1 Reaction to Fire rating for excellent fire resistance, ensuring your safety. Furthermore, with a thermal conductivity of 0.032 W/m.K, these insulation slabs offer superior thermal performance, keeping your home warm and energy-efficient.

Moreover, these cavity wall slabs are not only efficient but also environmentally sustainable. Produced with a water repellent binder, they are eco-friendly and support a greener planet. Their sustainable design meets the growing demand for products that are effective and environmentally conscious. Therefore, by choosing Isover Cavity Wall Insulation, you enhance your home's thermal efficiency and have a positive impact on the environment.

Installation Instructions

When installing Isover Cavity Wall Insulation, ensure the slabs are positioned correctly, seal gaps effectively, and aim for a snug fit. This will help maximise insulation efficiency and prevent heat loss in your walls.

Handling the slabs carefully and storing them correctly are essential steps to maintain their effectiveness.

Correct Slab Placement

To optimise the thermal insulation performance of Isover Cavity Wall Slabs, snugly position them within the wall cavity, ensuring they fit securely between standard wall tie spacings.

  • Cut the slabs to the appropriate size to fill the cavity completely and prevent heat loss through gaps.
  • Securely fit the slabs between standard wall tie spacings for uniform coverage and maximum efficiency.
  • Follow proper installation guidelines to improve thermal efficiency, leading to significant energy savings.

Sealing Gaps Efficiently

Trimming Isover CWS 32 slabs to the necessary dimensions guarantees a tight fit for peak thermal insulation efficiency when closing gaps in external masonry walls.

By utilising proper insulation techniques, you can effectively seal these gaps to boost energy efficiency in your building. Make sure to seal the joints securely between the slabs to prevent any heat loss and maximise the insulating properties of the material.

This meticulous approach not only helps in maintaining a consistent indoor temperature but also contributes to reducing heating costs over time.

Following these installation instructions meticulously will lead to long-lasting and durable thermal insulation benefits that positively impact your building's overall energy efficiency.

Pay attention to these details to create a well-insulated space that promotes comfort and cost savings.

Ensuring a Tight Fit

For a secure and efficient installation of Isover Cavity Wall Slabs 32, ensure a tight fit by cutting them to the correct size for the cavity. When handling the slabs, take care to avoid any damage. Here are some key points to consider for achieving a tight fit:

  • Cut slabs to the appropriate size for the cavity
  • Secure slabs firmly to avoid gaps
  • Seal joints between slabs properly

To preserve the effectiveness of the insulation, store the slabs in a dry, well-ventilated location away from moisture. Remember, proper handling and moisture prevention are crucial for optimal performance.

Fire Safety Features

Isover Cavity Wall Insulation features fire-resistant materials that meet safety standards, enhancing building fireproofing.

The Euroclass A1 fire rating guarantees high fire safety standards for CWS 32 Cavity Slabs, offering superior fire protection for external masonry walls.

Crafted to comply with UK thermal building regulations for fire safety, this insulation is a dependable choice to protect your property against fire hazards.

Fire-Resistant Materials Used

With Isover Cavity Wall Insulation CWS 32 Cavity Slabs, you can rely on the use of fire-resistant materials to enhance the fire safety features of your construction projects. These insulation slabs are Euroclass A1 fire-rated, providing high fire safety standards. Here's why they're a reliable choice for fire safety:

  • Designed to offer excellent fire resistance in external masonry walls.
  • Made with fire-resistant materials to ensure peace of mind in terms of fire protection.
  • Euroclass A1 fire rating signifies the highest level of fire safety for building materials.

Choosing Isover CWS 32 Cavity Slabs means prioritising fire safety in your construction projects while ensuring exceptional thermal performance.

Adherence to Safety Standards

Ensuring compliance with strict safety standards, the fire safety properties of Isover Cavity Wall Insulation CWS 32 Cavity Slabs provide reliable protection against fire hazards in external masonry walls. With its Euroclass A1 fire rating, this insulation meets the highest level of fire safety, giving you peace of mind.

Designed to meet rigorous building regulations for fire resistance, these slabs offer exceptional fire classification according to EN 13501-1. Manufactured with fire safety as a top priority, Isover Cavity Wall Insulation ensures that your building is equipped to handle potential fire risks effectively.

Enhances Building Fireproofing

Improve the fireproofing of your building with Isover Cavity Wall Insulation, enhancing its overall safety features. This insulation offers substantial fireproofing advantages, guaranteeing that your building adheres to safety regulations and standards.

Here's how Isover Cavity Wall Insulation enhances your building's fireproofing:

  • Euroclass A1 fire rating guarantees high fire resistance.
  • Water-repellent binder adds an extra layer of fire safety.
  • Achieves Euroclass A1 Reaction to Fire classification as per EN 13501-1.

Benefits of Sustainable Materials

Using up to 82% recycled glass, Isover Cavity Wall Insulation is notable for its sustainable material advantages, making a significant contribution to environmental initiatives. By integrating recycled glass into its manufacturing process, this insulation not only assists in waste reduction but also enhances energy efficiency in buildings, making it an excellent option for eco-friendly construction projects. The inclusion of a water-repellent binder increases the durability of the insulation, ensuring a long-term solution for your home.

Isover Cavity Wall Insulation goes beyond sustainability by attaining a Euroclass A1 Reaction to Fire classification, improving safety measures within your building. With a low thermal conductivity of 0.032 W/m.K, this insulation offers exceptional insulating properties, aiding in the maintenance of a pleasant indoor temperature while decreasing energy usage.

Certified as a Cavity Wall Slab (CWS) 32 by the British Board of Agrément, Isover Cavity Wall Insulation proves to be a dependable and eco-friendly option for your construction requirements.

Proper Storage Guidelines

To maintain the quality and effectiveness of Isover Cavity Wall Insulation, it is crucial to store the slabs in a dry, well-ventilated area to prevent moisture damage. Proper storage and handling are vital for maximising insulation benefits and ensuring the durability of the slabs.

Here are some guidelines to help you store your Isover Cavity Wall Slabs 32 effectively:

  • Moisture prevention: Keep the slabs in a dry environment to avoid any moisture damage that could compromise their insulation effectiveness.
  • Handling precautions: Handle the slabs with care to prevent any damage that may impact their performance and longevity.
  • Durability maintenance: Store the slabs flat and in their original packaging to maintain their durability and long-lasting insulation properties.

Customer Feedback

When exploring customer reviews for Isover Cavity Wall Insulation, you'll find a consistent theme of satisfaction with the product's quality and service. Customers praise the competitive pricing, excellent service, and the ease of use of the website when purchasing Isover Cavity Wall Insulation - CWS 32 Cavity Slabs.

Many satisfied customers express their positive experience with the delivery process, highlighting its efficiency and reliability. The overall high ratings indicate a high level of customer satisfaction, with many customers stating their willingness to repurchase Isover Cavity Wall Insulation - CWS 32 Cavity Slabs.

Interestingly, customers mention surprising satisfaction with Isover Cavity Wall Insulation compared to other similar products on the market, emphasizing the superior quality and service they experienced. If you're looking for a reliable insulation solution that not only meets but exceeds your expectations, Isover Cavity Wall Insulation seems to be a popular choice among customers who value quality and a smooth delivery process.

Frequently Asked Questions

What are the disadvantages of cavity wall insulation?

When contemplating cavity wall insulation, be aware of potential disadvantages. Incorrect installation may result in damp problems and decreased efficiency. Address worries about moisture retention and ensure there are adequate ventilation options. Consult a professional for an evaluation before proceeding, especially if walls are already filled or damp.

What is the best insulation for a cavity wall?

For the best insulation in a cavity wall, consider materials with superior thermal performance and sustainable qualities. Achieving energy efficiency benefits and ease of installation are important. Seek expert advice for tailored suggestions.

What is the best cavity wall insulation to prevent damp?

To prevent damp in cavity walls, choose insulation that focuses on preventing moisture and includes ventilation solutions. Seek out options that enhance energy efficiency and offer cost savings. Making the right choice will give you peace of mind.

What is the minimum cavity width for cavity wall insulation?

For optimal results, consider the minimum cavity width required for cavity wall insulation. Ensure a correct fit during the installation process. By following these guidelines, you will ensure maximum performance and avoid problems in the future.

Summary

To summarise, Isover CWS 32 cavity slabs are a reliable option for cavity wall insulation. With easy-to-follow installation instructions, fire safety characteristics, and sustainable material advantages, this product provides both efficiency and reassurance.

Following correct storage guidance ensures durability and effectiveness. Feedback from customers indicates a high level of satisfaction with the performance of these insulation slabs.

In conclusion, Isover CWS 32 cavity slabs are a convenient and efficient choice for insulating your home.

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In Store Pickup 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.
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

 

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