Celotex
Celotex CW4000 Cavity Wall (50mm-100mm)
General purpose Polyisocyanurate Insulation Board
Product Code: CTV-CW4000Estimated delivery in 3-5 working days
Free delivery for orders over £350.00
ADDITIONAL INFORMATION
• Brand
Celotex CW4000
• Length
450mm
• Width
1200mm
• Thickness
40mm - 100mm
• Material
Polyisocyanurate (PIR)
• R-Value
Ranges from 1.80 to 4.50 m².K/W depending on thickness
• Thermal Conductivity
0.022 W/mK
The Celotex CW4000 insulation board improves energy efficiency with its excellent thermal performance and space-efficient design. It’s durable, moisture-resistant, and BBA certified, making it ideal for partial fill cavity wall applications.
• Thermal Properties
The Celotex CW4000 insulation board has a thermal conductivity of 0.022 W/m.K, which means it effectively reduces heat transfer. Its R-value ranges from 1.80 to 4.50 m².K/W, depending on the thickness, providing excellent thermal insulation for energy-efficient buildings.
• Connection Profile
Features squared edges, which facilitate a snug fit between boards, ensuring minimal gaps and improved thermal performance. This edge profile helps maintain the integrity of the insulation layer, reducing thermal bridging and enhancing overall energy efficiency.
• Easy to Install
Lightweight and rigid boards are convenient to handle and fit into cavity walls.
• Environmentally Friendly
Made from polyisocyanurate (PIR), a sustainable insulation material that enhances energy performance while reducing environmental impact1. The product also achieves a BRE Green Guide Rating of A, indicating its strong environmental performance2. Additionally, Celotex is committed to sustainability, aiming for net-zero carbon emissions by 2050.
• BBA Certified
BBA approved (Certificate 16/5343) for full-fill cavity walls. Assessed by the British Board of Agreement (BBA), ensuring its certification is suitable for use in defined full-fill cavity wall applications.
• ISO 9001
Manufactured under a Quality Management System certified to ISO 9001 standards.
• ISO 14001
Certified for its Environmental Management System, demonstrating a commitment to sustainability.
What is Celotex CW4000 made of? Celotex CW4000 is made of polyisocyanurate (PIR) foam with low emissivity aluminium foil facings on both sides.
What are the available thicknesses? The board is available in thicknesses ranging from 40mm to 100mm.
What is the thermal conductivity of Celotex CW4000? The thermal conductivity is 0.022 W/m.K, providing excellent thermal insulation.
What applications is it suitable for? It is designed for partial fill cavity wall applications.
Is Celotex CW4000 environmentally friendly? Yes, it is environmentally friendly and achieves a BRE Green Guide Rating of A.
What certifications does it have? It holds BBA certification (16/5343), CE marking, and is certified to ISO 9001 and ISO 14001 standards.
Can it be used in high-rise buildings? No, it should not be used in external walls of buildings over 11 metres in height due to fire safety regulations.