The 50mm Celotex CW4050 Cavity Wall Insulation Board is specifically designed for use in partial-fill cavity wall applications. It features low emissivity foil facings that improve thermal performance in cavity air spaces.

This high-performance insulation solution helps reduce heat loss and lower energy bills. With a PIR core and low emissivity foil facings on both sides, it offers excellent thermal conductivity of just 0.022 W/mK. The Celotex CW4050 Cavity Wall Insulation Board is ideal for partial-fill cavity wall applications, fitting snugly between cavity wall ties. It is suitable for use in new builds and extensions with masonry cavity wall construction.

Specifications

• Material: PIR
• Thickness: 50mm
• Width: 450mm
• Length: 1200mm
• Items Per Pack: 11
• Purchase Unit: Pack
• Coverage: 5.94m2
• Manufacturer's Code: CW4050
• Weight: 1.92kg/m2
• Thermal Conductivity: 0.022W/mK
• Facing: Foil
• Product Type: Board
• R-Value: 2.25m2K/W
• Compressive Strength: 120kPa
• Edging: Square Edge

Performance

The Celotex CW4050 Cavity Wall Insulation Board provides excellent thermal performance, helping to reduce heat loss and improve energy efficiency in homes. With its low emissivity foil facings and PIR core, it offers a thermal conductivity of 0.022 W/mK. This insulation board maintains its insulation performance even in moist conditions, providing weather-tight protection and preventing air movement.

Features and Benefits

• Improved Thermal Insulation: Low emissivity aluminium foil facings on both sides enhance thermal insulation performance in cavity air spaces.
• Versatile Application: Suitable for both new build and refurbishment insulation projects.
• BBA Approved: British Board Approved (BBA) for use as partial-fill insulation in cavity walls.
• Compliance with Building Regulations: Complies with building regulations for improving the thermal envelope of your home.
• Environmentally Friendly: Zero Ozone Depletion Potential (ODP) and Low Global Warming Potential (GWP).
• Masonry Cavity Wall Compatibility: Suitable for use in masonry cavity walls.
• BBA Certification: Certified by the British Board of Agrément (BBA).
• Sustainable Choice: Achieves a BRE Green Guide Rating of A for sustainability.
• Easy Installation: Easy to handle and install, making the insulation process hassle-free.
• Enhanced Energy Efficiency: Provides effective thermal insulation, reducing heat loss and improving energy efficiency.
• No Moisture Absorption: Does not absorb moisture, ensuring long-lasting performance and preventing mold growth.
• Improved Acoustic Insulation: Helps reduce noise transmission through walls, creating a quieter living environment.
• Durable and Long-lasting: Made from high-quality materials, ensuring durability and longevity.
• Cost-effective Solution: Offers excellent value for money, providing long-term energy savings and reducing heating costs.

Applications

• Residential Buildings: The Celotex 50mm Celotex Cavity Wall Insulation Board CW4050 is commonly used in residential buildings to provide thermal insulation. It helps in maintaining a comfortable indoor temperature, reducing energy consumption, and lowering heating and cooling costs.
• Commercial Buildings: This product is also suitable for commercial buildings, including offices, retail stores, and warehouses. It helps in creating a comfortable working environment and contributes to energy efficiency.
• Industrial Buildings: In industrial buildings, this insulation board can be used to prevent heat loss or gain, thus ensuring the efficiency of industrial processes and the safety of workers.
• Refurbishment Projects: The Celotex 50mm Celotex Cavity Wall Insulation Board CW4050 is ideal for refurbishment projects. It can be used to upgrade the thermal performance of existing buildings, making them more energy-efficient and comfortable.
• New Construction: This product is also suitable for new construction projects. It can be installed during the construction process to provide long-term thermal insulation.
• Internal Wall Insulation: This insulation board can be used for internal wall insulation. It helps in reducing heat transfer between rooms and maintaining a consistent indoor temperature.
• External Wall Insulation: The Celotex 50mm Celotex Cavity Wall Insulation Board CW4050 can also be used for external wall insulation. It helps in protecting the building from external temperature fluctuations and improving its thermal performance.

Installation

Installing the Celotex CW4050 Cavity Wall Insulation Board is easy. Simply fit the boards snugly between cavity wall ties, ensuring a closed joint with adjacent boards. Follow the manufacturer's guidelines for proper installation techniques and safety precautions.

Certifications

The Celotex CW4050 Cavity Wall Insulation Board has the following certifications:

• Spread of flame: Class E fire classification
• Thermal conductivity of 0.022 W/mK, reducing the required insulation thickness to achieve the target U-value - BS EN 12667
• BRE Green Guide Rating of A for sustainability, assisting in environmental performance assessments
• BBA certified

Equivalent/Related Products

• 50mm Celotex CW4000 Cavity Wall Insulation Board
• 50mm Kingspan Kooltherm K108 Cavity Board
• 50mm Ecotherm Eco-Cavity Full Fill Cavity Wall Insulation

About the Manufacturer

Celotex is a leading manufacturer of high-performance insulation products. They are known for their commitment to quality, innovation, and sustainability. Celotex CW4050 Cavity Wall Insulation Board is manufactured using blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP), making it an environmentally friendly choice for insulation.

CLO-50271 -Datasheet 1

SERVICED LOCATIONS

We offer our customers free delivery* when you spend £400 plus vat or more. For orders less than £400 ex VAT there is a delivery charge of £75 ex VAT. This will be calculated within the checkout process. We only accept orders Monday through Friday. We do not provide delivery on weekends.

This is subject to change given the current COVID pandemic and lack of drivers servicing the UK. We will do our best to work with all orders that may be in affected areas.** Extra delivery charges may apply to orders in Scotland and the following postcodes**

Currently affected areas : IP, NR, CA, TD, CT, PO, SO, BH, DT, EX, PL, SP, TA, TQ, TR, LL, HR, SY **

This is currently due to the lack of availabily of drivers in these service areas and limited supply in these areas, thus a custom shipping service charge may apply. (£250). Please use the shipping calculor to give you an accurate shipping price based on your post code. We apologise in advance if this occurs for your order. Before placing an order please get in touch with the team and we will see if anything can be done for your order specifically.

There are parts of the UK that we don't deliver to and this will be marked at checkout. (N Ireland and Scotish Highlands). If this occurs upon your checkout, please reach out the team and we will see what we can do via a 3rd party supplier.

PREFERED DELIVERY TIMES

We offer this service to alleviate confusion for you and reduce communication for us all. It gives us an idea on when you would the order to be delivered. It is NOT a garaunteed delivery date. .

We understand scheduling of larger materials to your project is important, thus having your preference is very helpful for us. Please note this works in tandem with the availability of the product. We can NOT fulfill any orders before the avability days set on the product, even if the date insert tool allows it.

There may be situations where if specified a preference date is given, we may not always be able to deliver on that date. As it also linked to you delivery location, the closest warehouse logistics rotar, availability of the product and more. We have simply offered this to help our customers out, please be reasonable with your expectations in these difficult times. We WILL do our best to comunicate accurate delivery times via phone or email after the order is placed, so no need to worry.

After you specified a date we will do our best to deliver on that date, you will be notified within 24-48 hours if we can not fill that day but will strive to get a slot as close as possible to that date. We do not deliver on weekends, so all orders specified with weekend delivery will be shifted to the week after.

On weekdays, our cut-off time for purchases is 1 p.m. Orders must be placed by 1 p.m. on Monday through Thursday to be delivered the next day if they are applicable for next day. For example, an order placed after 2 p.m. on Friday will be sent out on Monday afternoon (if it is not too late).

PRODUCT DELIVERY TIMES

The vast majority of our orders are dispatched within 2–5 working days. However, if you need a customized or bespoke item, things will take longer to arrive. Some goods are on allocation or short supply as a result of COVID 19 and the Brexit. We may be forced to offer an equivalent high-quality substitute product at no extra cost to our customer from time to time.

The delivery charge is applied for shipments to England. If you live in Scotland or Wales, one of our customer care specialists will contact. We do everything we can to make sure packages arrive on the date promised.

If you change the delivery date given at the time of purchase, you will be notified by email or phone. We reserve the right to charge a failed delivery fee if access is restricted for the car specified on the order, and a delivery cannot be completed.

Every transaction is recorded, and the delivery fees are determined on whether or not the recipient is ready to receive the package. This covers manual or automated offloading of heavy items. Offloading equipment, such as a tail lift or forklift, may be requested; however, there may be an additional fee if the site is difficult to access or the products are of considerable size..

On weekdays, our cut-off time for purchases is 1 p.m. Orders must be placed by 1 p.m. on Monday through Thursday to be delivered the next day if they are applicable for next day. For example, an order placed after 2 p.m. on Friday will be sent out on Monday afternoon (if it is not too late).

RESTRICTED ACCESS

If We Or A Supplier Attempt A Delivery And Customer Refuses To Deliver, We Are Not Liable For Any Losses Incurred As A Result Of Our Failure To Notify Us Or The Supplier About Any Access Limitations

At The Time Of Placing The Purchase Or 24 Hours Before Delivery. Delivery Will Be Managed With Below Partners Or 3rd Party Fulfilment.