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Celotex

Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes

Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes

SKU:celcav40

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EST Delivery Date Est Delivery between 6th Feb and 12th Feb.

The option you have selected may be in short supply. To make an enquiry please call us on 020-3936-2839 or email us at sales@i4lgroup.co.uk.

Thickness

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We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project

Based on your total area of 0m2 (inc. 10% wastage) you will need 1 of this product (total coverage ).
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Product Information
Thickness Sheets Per Pack Pack Coverage
40mm 14 7.56m2
50mm 11 5.94m2
60mm 10 5.4m2
75mm 8 4.32m2
85mm 7 3.78m2
100mm 6 3.24m2

     

    The Celotex Cavitywall is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.022 W/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP).

    Key Features

    • Size of Board: 1200 x 450 mm
    • Compressive strength: 120kPa
    • Water vapour resistance: Greater than 150MNs/g
    • Dimensional stability: DS (TH) 8


    Advantages

    1. Conveniently fits in between cavity wall ties through cavity ties clips
    2. Clips offer Retention
    3. Gives long lasting reliable energy savings for all buildings
    4. Foil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces
    5. Exemplary dimensional stability


    Certification

    • The insulation component of this Celotex is given an A+ rating in comparison to the BRE Green Guide 2008
    • This got CE marking complying with BS EN 13165:2001
    • This is CFC/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)
    • This is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex Limited

    Celotex CW4000 range in cavity wall insulation is versatile insulation used in cavity wall and internal walls. Get long lasting, reliable energy savings.


    Celotex CW4000 Cavity Wall Insulation

    Wish to cut down the amount of heat lost from your home, lower your heating bills and reduce your carbon footprint? Celotex CW4000 insulation boards are a versatile insulation material with polyisocyanurate rigid foam and insulation core, along with excellent thermal conductivity and aluminium foil facings for an improved thermal insulation, cavity wall insulation sound proofing and zero CO2 emission. Lightweight, durable and easy to install, the boards provide reliable long-term energy savings for buildings.

    Switch to Celotex CW4000 cavity wall insulation. Browse through insulation4less.co.uk to grab the best deals. We offer a brilliant price proposal on all Celotex cavity wall insulation materials. Each item is available at discounted rates, throughout the year. Celotex CW4000 sheets are 1.2m x 0.45m and come in packs. Each pack will carry a different amount of sheets depending on the thickness of the cavity wall insulation you require.

     

    Frequently Asked Questions

    What are the key features of Celotex CW4000 Cavity Wall Insulation? The key features include board size of 1200 x 450 mm, compressive strength of 120kPa, water vapor resistance greater than 150MNs/g, and exemplary dimensional stability (DS (TH) 8).

    What is the thermal conductivity of Celotex CW4000 Cavity Wall Insulation? The thermal conductivity of Celotex CW4000 insulation is 0.022 W/mK, providing superior thermal insulation properties.

    How does Celotex CW4000 achieve energy savings? Celotex CW4000 insulation boards offer long-lasting reliable energy savings by reducing heat loss, lowering heating bills, and contributing to lower carbon footprint.

    What are the advantages of using Celotex CW4000 Cavity Wall Insulation? The advantages include easy fitting between cavity wall ties using cavity ties clips, excellent dimensional stability, improved thermal insulation with low emissivity foil facers, and certifications for environmental sustainability and quality standards.

    Can Celotex CW4000 be used for internal walls as well? While Celotex CW4000 is primarily designed for cavity walls, it can also be used effectively for internal walls to improve thermal insulation and energy efficiency.

    Is Celotex CW4000 environmentally friendly? Yes, Celotex CW4000 insulation is CFC/HCFC-free, has zero ozone depletion potential (ODP), and features blowing agents with low global warming potential (GWP), making it environmentally sustainable.

    What certifications does Celotex CW4000 Cavity Wall Insulation have? Celotex CW4000 insulation holds certifications such as an A+ rating in the BRE Green Guide 2008, CE marking complying with BS EN 13165:2001, and production in accordance with BS EN ISO 9001:2000 for quality management.

    Where can I purchase Celotex CW4000 Cavity Wall Insulation? You can purchase Celotex CW4000 insulation from authorized retailers and suppliers like insulation4less.co.uk, where you can find competitive prices and deals on Celotex insulation materials.

    How are Celotex CW4000 sheets packaged and sold? Celotex CW4000 sheets come in packs with varying quantities depending on the thickness required for cavity wall insulation.

    Technical Specifications
    Brand Celotex
    Length 1200mm
    Material type Polyiso
    Thermal conductivity 0.022 W/mK
    Width 450mm
    Datasheets
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    Delivery Information

    EST Delivery Date Est Delivery between 6th Feb and 12th Feb.

    Delivery may be unavailable or may incur additional charges in some remote areas of Scotland and Wales.

    Delivery will always take place on a weekday (Mon - Fri excl. public holidays).

    An exact delivery charge will be calculated at checkout based on your order and location.

    View full details

    Frequently asked questions

    Yes, of course!

    Our team is ready to assist you with any questions and queries you may have.

    Just reach out to us via any of the following methods:

    Call us: 020-3582-6399
    Email us: sales@i4lgroup.co.uk
    or click the Livechat tab at the bottom of your screen.

    As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.

    If you require an update on your order, you can email customerservice@i4lgroup.co.uk with your order number for assistance.

    Yes, we offer a variety of flexible payment options to all our customers.

    When checking out online, you'll be able to avail of multiple buy now, pay later options with Klarna or PayPal.

    The flexible payment options available to you at checkout will be based on the total value of your order.

    For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:

    • Dedicated trade pricing
    • Loyalty points and rewards
    • A dedicated account manager

    Yes! We even have a price match guarantee.

    We are so confident that we have the best prices out there that we will match the price of any other online or local retailer.

    If you find the same product cheaper elsewhere, we will match the price — just send us the quote or website link.

    Read more: Price Match Guarantee

    Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@i4lgroup.co.uk with the following information and we will get back to you with your very own bespoke price quote:

    • Delivery postcode and address
    • Mobile number
    • Company name
    • A list of required materials and their quantities

    Yes! Trade customers can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.

    You can learn more here: Open a Trade Account

    Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.

    Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.

    Contact us immediately via customerservice@i4lgroup.co.uk or call 020-3582-6399 during opening hours.

    If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.

    Read more: Returns

    Changed your mind about your order? no problem! we offer a 14 day returns period after your order is delivered.

    To avail of this your order must be unused, in its original packaging, and suitable for resale.

    Refunds are issued immediately after the goods are received and inspected by our team.

    If an item arrives damaged or incorrect, you must notify us within 48 hours of delivery.

    Prior approval is needed before returning any goods – do not return without authorization.

    Special order items are exempt from returns.

    Read more: Returns