Warm Roof Insulation


- Versatile Celotex GA4000 insulation boards for floors, walls, and roofs.
- Low emissivity foil face enhances thermal performance.
- Environmentally friendly, durable, lightweight, and easy to install with class 1 fire rating.
- Regular price
- £13.40
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- £13.40
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- Regular price
- £20.58
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- £20.58
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- Regular price
- £5.94
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- £5.94
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- Regular price
- £34.79
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- £34.79
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- Regular price
- £25.78
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- £25.78
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- Streamlined installation with Celotex PL4000: combines PIR insulation with plasterboard for one-step efficiency.
- Versatile techniques: choose between 'dot and dab' or mechanically fixed installation for flexibility.
- Energy-efficient solution: tapered edge plasterboard for professional finish, suitable for various projects.
- Regular price
- £39.72
- Sale price
- £39.72
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- Regular price
- £28.38
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- £28.38
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- Regular price
- £43.08
- Sale price
- £43.08
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- Eurothane® GP is a high performance, lightweight PIR insulation board, easy to cut, handle, and install for various applications like floors, pitched roofs, internal walls, ceilings, and lofts.
- It is highly favored by contractors and installers for its excellent thermal performance with a λ value of 0.022 W/mK.
- The product ensures a quick and easy installation process, making it an ideal insulation solution.
- Regular price
- £13.40
- Sale price
- £13.40
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- Environmental-friendly PIR insulation board with foil facings
- High thermal conductivity (0.022W/mK) eliminates cold spots, reduces energy usage, and lowers bills
- Certified with A+ rating, BBA certificates, and meets Building Regulations; easy to install, strong, and long-lasting
- Regular price
- £43.08
- Sale price
- £43.08
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- Economical, lightweight, and durable PIR insulation board.
- Features low emissivity foil for enhanced thermal conductivity.
- Environmentally safe, fire and water-resistant with long-term performance.
- Regular price
- £28.91
- Sale price
- £28.91
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- Easy to install in various applications.
- Thick PIR board with high thermal performance.
- Manufactured with low emission standards.
- Regular price
- £53.88
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- £53.88
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- Regular price
- £26.76
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- £26.76
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- Celotex GA4090: 90mm PIR insulation board
- Thermal conductivity: 0.022W/mK
- Eco-friendly, complies with regulations, trusted for 9 decades
- Regular price
- £35.58
- Sale price
- £35.58
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- PIR insulation with zero ODP and low GWP.
- Reduces installation time with combined insulation and plasterboard.
- Suitable for various applications including roofs and walls.
- Regular price
- £39.72
- Sale price
- £39.72
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- Versatile dual-purpose insulation: thermal & acoustic
- Patented flexible edge for easy installation
- Euroclass A1 non-combustible, BS EN 13162 compliant
- Regular price
- £45.70
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- £45.70
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- Regular price
- £32.94
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- £32.94
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- Regular price
- £52.62
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- £52.62
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- Lightweight PIR insulation board
- High thermal performance & strength
- Eco-friendly, water-resistant, easy to cut
- Regular price
- £13.40
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- £13.40
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- Regular price
- £119.87
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- £119.87
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- PIR insulation with zero ODP, low GWP
- Combines insulation and plasterboard
- Speeds up installations, suitable for various applications
- Regular price
- £50.76
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- £50.76
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- Rigid PIR construction with zero ozone depletion
- Combines insulation and plasterboard for swift installation
- Meets regulations, offers long-term energy savings
- Regular price
- £60.96
- Sale price
- £60.96
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- All-in-one Eco-versal Insulation Board for thermal conductivity (0.022 W/mK)
- Rigid PIR core with aluminum composite foil facing, perfect for roofs, walls, and floors
- Lightweight, easy to cut, and install compared to some other commonly used insulants; offers warmth and durability
- Regular price
- £13.40
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- £13.40
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- Cut-to-fit for rafters/joists
- High thermal performance
- Environmentally friendly
- Regular price
- £53.94
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- £53.94
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- Superior thermal, acoustic, and fire insulation from volcanic rock
- Versatile boards fit snugly into structures, reducing noise and absorbing sound
- Durable, sustainable, and eco-friendly with various sizes and densities available
- Regular price
- £497.40
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- £497.40
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- 100% Sheep Wool Insulation Premium Roll
- Thermal conductivity: 0.0359 W/mK
- Retains loft, eco-friendly, effective in moisture, and heat control
- Regular price
- £149.92
- Sale price
- £149.92
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- Premium insulation board: Kingspan Thermaroof TR26
- Fibre-free phenolic core, ISO certified
- Size: 2.4 x 1.2m, 0.019 W/mK conductivity
- Regular price
- £294.24
- Sale price
- £294.24
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- Top-notch insulation: Extruded polystyrene foam on robust plasterboard.
- Effortlessly meets Part L regulations for enhanced warmth.
- Easy installation, generous dimensions, and exceptional thermal efficiency.
- Regular price
- £0.00
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- £0.00
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- Premium 130mm Celotex XR4130 insulation
- Polyisocyanurate (PIR) for eco-friendly high performance
- Cost-effective, BBA certified, A+ rating, meets Building Regulations
- Regular price
- £52.74
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- £52.74
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- ✅ Achieves The Same U-Value As Celotex PL4000
- ✅ Thermal Conductivity Of 0.022
- ✅ Built-In Vapour Barrier
- Regular price
- £39.02
- Sale price
- £39.02
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- Cost-effective, high-performance insulation board
- Thermal conductivity of 0.022W/mK, suitable for various applications
- Environmentally friendly with zero ozone depletion potential
- Regular price
- £46.20
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- £46.20
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- Regular price
- £243.84
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- £243.84
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- 165mm Celotex XR4000 PIR insulation board
- Achieves A+ rating, low U-values, and BBA certifications
- Easy installation, cost-effective, long-lasting thermal performance
- Regular price
- £933.60
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- £933.60
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- Enhanced RW5 Insulation Slab: Optimal thermal (0.034 W/mK) and acoustic performance, Euroclass A1 fire reaction, water repellent, various thicknesses (30mm-100mm).
- Versatile Application: Ideal for walls, ceilings, floors, roofs; tailored for longevity; high-density resin-bonded slabs.
- Cost-effective Solution: 1200x600mm slab size, 100kg/m³ density, limits fire spread and damage, ensures excellent results.
- Regular price
- £736.20
- Sale price
- £736.20
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- Independently tested to meet latest British/European standards
- Prestigious BBA Certificate of Agreement
- Versatile for walls, roofs, and certain floors, offering effective thermal protection
- Regular price
- £232.09
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- £232.09
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- Regular price
- £466.80
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- £466.80
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- Unfaced rock mineral wool slabs
- Euroclass A1 fire performance, eco-friendly
- Excellent thermal conductivity: 0.035 W/mK
- Regular price
- £36.84
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- £36.84
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- Superior thermal conductivity of 0.035 W/mK
- Eco-friendly with Zero Ozone Depletion and Global Warming Potential
- Odorless, non-hygroscopic, and rot-proof for lasting protection
- Regular price
- £38.90
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- £38.90
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- High-performance Celotex XR4200 insulation board
- Low global warming impact, zero ozone depletion
- Superb thermal conductivity, easy installation
- Regular price
- £1,122.48
- Sale price
- £1,122.48
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- Flexible glass mineral wool rolls for timber frames
- Top-notch thermal and sound insulation
- Water-resistant, eco-friendly, and A1 fire rating
- Regular price
- £1,318.80
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- £1,318.80
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- Regular price
- £310.26
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- £310.26
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- Versatile rock mineral wool slabs: Densities from 33 to 200 kg/m3.
- Excellent thermal and acoustic insulation.
- Environmentally friendly: Zero ODP, Class 1 flame spread rating.
- Regular price
- £657.60
- Sale price
- £657.60
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- Thin multifoil insulation with built-in breather membrane
- CE marked for roof underlayment and rainscreen
- 10m x 1.5m x 35mm, thermal resistance: 1.35m²K/W
- Regular price
- £165.36
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- £165.36
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- Regular price
- £1,318.80
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- £1,318.80
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- Regular price
- £59.87
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- £59.87
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- Regular price
- £95.82
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- £95.82
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Live Comfortably Under Warm Roof Insulation
Roofs and attics are places that have an impact on the entire environment of our homes and offices. Most houses face an imbalance of temperature where it is extremely cold or hot. It becomes a rather complicated process to detect heat leakages and defects, which cause the heat to escape, resulting in condensation. The only solution remaining is an internal wall solution as it makes sure that the heat does not escape from the attic space. There are various ways that one can make their home environment more comfortable. All you want is the right materials and solutions to install the warm roof insulation to live happily.
Why do you want to insulate your Roof?
We need wall insulation because that is how we can reduce our energy bills. You need to know the best ways in which to insulate your roof. Insulation not only will help you balance and regulate temperature, but it will also help with sound absorption. As far as the energy is supposed to be conserved, it needs to be cost effective as well. If your attic is insulated correctly it will prevent any heat loss via the attic space. Hence any heat generated within the building from the sub floor up will remain in the building and not escape. Its also important to take precautions when insulating your attic to seal off any unnecessary gaps where cold air can pass through. remember though that in an attic you do need a continuous flow of air from outside. This is achieved via soffit vents or similar. Insulation is certainly essential in colder countries where a warm environment is necessary. In warmer climates insulation is used in the opposite effect. Its desired effect is to keep the cold inside the building and keep the heat out.
The reasons why you need insulation-
• With the help of these Insulation products, you can control the heat gains and losses within a building.
• Improves the ambient temperature within your building.
• Reduces risks of condensation.
• By installing insulation your home has a positive effect on climate change and environmental impact in the long term.
• Insulation also has acoustic properties to make your home more sound proof.
Pitched Roof Insulation –
If you ever want to convert your attic to free space in the future, you may need to strengthen your attic joists and insulate between the joists of your attic. Insulation is great for maintaining a proper environment in your home. Internal wall insulation is generally high-performance PIR, Glasswool, Rockwool or Phenolic insulation with a high thermal conductivity. Some are vapour permeable and others are vapour non permeable to assist in slowing down the movement of air or just stopping it completely. One can largely benefit from these because of their ability to trap heat, and they are very easy to install also. If you want to save money on heating and temperature control, then the ultimate solution is keep as airtight as possible and manage moisture content with controlled ventilation.
The advantages of pitched roof insulation
1. Thermal Insulation – Warm roof insulation is one of the best solutions for keeping your home warm. Insulating between your rafters and ceiling joists is a very effective way to reduce heat loss.
2. Saves energy- Insulating your roof and attic significantly reduces your home heating bills. From natural gas to oil fired burners you will see a huge reduction in your bills immediately.
3. Cost effective – Buying your insulation does not need to be costly. Insulation4less is the UK’s largest independent insulation store and we guarantee we will provide you with the best prices on the market today.
4. Durable and has longevity – When you install your insulation you are guaranteed heat retention within your building for the lifetime of the building. Saving you £1000’s over many years.
Pitched roof ventilation-
You definitely want to have a comfortable environment at home with a good balance of temperature, and that is only possible with the help of warm roof insulation products. Your roof needs ventilation when there is a possible risk of condensation. Condensation can occur due to many reasons – From lack of insulation to air gaps, you can face major problems due to this. Pitched roof insulation is the best-case scenario when it comes to providing ventilation, and one may find a very easy process to install this. The roof has to have the needful requirements so that the insulation can be installed. However, it is necessary that you find the right material and an appropriate contractor to help you with this and always keep in mind you need a continuous airflow in roof space around your rafters to avoid any buildup of condensation.
The design factors will include-
• The specific U Valve required for the roof.
• The requirement for fire resistance if you have a party-wall or similar.
• What pitch will the roof be.
• Specific acoustic requirements if needed.
• Wind load and snow load on your roof needs to be taken into consideration also.
These warm roof applications are extremely necessary for colder places where the right amount of heat is required to warm the environment. Fireproofing is a must consideration, which will also prevent sound transfer and condensation build up.
All products required to insulate your roof or attic space is all available at Insulation4less where you can find other effective options as well. Homeowners who are looking to Dry line or use insulated plasterboards will have many options to choose from at Insulation4less also.
Insulation4less is the highest rated online insulation store in the UK coupled with a customer service team that time and time again go that extra mile for our customers. For the best prices and the best customer service and most reliable delivery times Insulation4less.co.uk is the best place.
Please feel free to call our office on 020 3582 6399 and one of our team will be more than happy to look after you. Whether you are looking to place an order online or need a quote our team are always at hand to help.