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Covid-19 Notice: In light of our governments recent notice in relation to Covid-19 restrictions we would like to inform our customers that Insulation4less.co.uk is currently operating at normal capacity and will continue to do so during this Lockdown. Please refer to our Covid-19 page for further updates.

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Warm Roof Insulation

This is where insulation is installed immediately under the roof, within the plane of the roof pitch, meaning that the loft space beneath is also kept warm.
Celotex GA4000 General Purpose PIR Insulation Board (All Sizes) 2.4m x 1.2m

Celotex

£11.10 --> £11.10 Ex. Vat  
£13.32 Inc. Vat  

50mm Celotex GA4050 2.4m x 1.2m

Celotex

£16.86 --> £16.86 Ex. Vat  
£20.23 Inc. Vat  

100mm Celotex GA4100 2.4m x 1.2m

Celotex

£30.60 --> £30.60 Ex. Vat  
£36.72 Inc. Vat  

Rockwool RWA45 (All Sizes) 1200mm x 600mm

Rockwool

£14.51 --> £14.51 Ex. Vat  
£17.41 Inc. Vat  

Sale
Foil Tape 75mm x 45m

Insulation4Less

£10.21 Ex. Vat   £12.76 Ex. Vat £12.25 Inc. Vat   £15.31 Inc. Vat

75mm Celotex GA4075 2.4m x 1.2m

Celotex

£24.90 --> £24.90 Ex. Vat  
£29.88 Inc. Vat  

Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m

Celotex

£36.46 --> £36.46 Ex. Vat  
£43.75 Inc. Vat  

Quinntherm Insulation Board 1.2m x 2.4m (All Sizes)

Quinntherm

£16.27 --> £16.27 Ex. Vat  
£19.52 Inc. Vat  

120mm Celotex XR4120 2.4m x 1.2m

Celotex

£37.25 --> £37.25 Ex. Vat  
£44.70 Inc. Vat  

Celotex XR4000 Insulation Board 1.2m x 2.4m - All Sizes

Celotex

£34.30 --> £34.30 Ex. Vat  
£41.16 Inc. Vat  

150mm Celotex XR4150 2.4m X 1.2m

Celotex

£44.95 --> £44.95 Ex. Vat  
£53.94 Inc. Vat  

70mm Celotex GA4070 2.4m x 1.2m

Celotex

£24.00 --> £24.00 Ex. Vat  
£28.80 Inc. Vat  

90mm Celotex GA4090 2.4m x 1.2m

Celotex

£29.95 --> £29.95 Ex. Vat  
£35.94 Inc. Vat  

60mm Celotex GA4060 2.4m x 1.2m

Celotex

£19.75 --> £19.75 Ex. Vat  
£23.70 Inc. Vat  

80mm Celotex GA4080 2.4m x 1.2m

Celotex

£26.45 --> £26.45 Ex. Vat  
£31.74 Inc. Vat  

Celotex PL4025 37.5mm 2.4m x 1.2m

Celotex

£36.46 --> £36.46 Ex. Vat  
£43.75 Inc. Vat  

Sale
Rockwool Flexi-Slab - All Sizes

Rockwool

£17.67 Ex. Vat   £17.67 Ex. Vat £21.20 Inc. Vat   £21.20 Inc. Vat £24.68 Ex. Vat   £24.68 Ex. Vat £29.62 Inc. Vat   £29.62 Inc. Vat £36.33 Ex. Vat   £36.33 Ex. Vat £43.60 Inc. Vat   £43.60 Inc. Vat £27.24 Ex. Vat   £27.24 Ex. Vat £32.69 Inc. Vat   £32.69 Inc. Vat £16.91 Ex. Vat   £21.14 Ex. Vat £20.29 Inc. Vat   £25.37 Inc. Vat £26.32 Ex. Vat   £26.32 Ex. Vat £31.58 Inc. Vat   £31.58 Inc. Vat £20.71 Ex. Vat   £20.71 Ex. Vat £24.85 Inc. Vat   £24.85 Inc. Vat £19.94 Ex. Vat   £24.92 Ex. Vat £23.93 Inc. Vat   £29.90 Inc. Vat

Celotex PL4050 62.5mm 2.4m x 1.2m

Celotex

£44.69 --> £44.69 Ex. Vat  
£53.63 Inc. Vat  

Celotex PL4040 52.5mm 2.4m x 1.2m

Celotex

£42.12 --> £42.12 Ex. Vat  
£50.54 Inc. Vat  

140mm Celotex XR4140 2.4m x 1.2m

Celotex

£44.50 --> £44.50 Ex. Vat  
£53.40 Inc. Vat  

Celotex PL4060 72.5mm 2.4m x 1.2m

Celotex

£45.87 --> £45.87 Ex. Vat  
£55.04 Inc. Vat  

Warmline XPS Insulated Plasterboard 1.2m x 2.4m - All Sizes

Warmline

£23.56 --> £23.56 Ex. Vat  
£28.27 Inc. Vat  

Sale
100% SHEEPWOOL INSULATION OPTIMAL ROLL (All Sizes)

Sheepwool

£68.26 Ex. Vat   £68.26 Ex. Vat £81.91 Inc. Vat   £81.91 Inc. Vat £68.26 Ex. Vat   £68.26 Ex. Vat £81.91 Inc. Vat   £81.91 Inc. Vat £61.43 Ex. Vat   £68.26 Ex. Vat £73.72 Inc. Vat   £81.91 Inc. Vat £68.26 Ex. Vat   £68.26 Ex. Vat £81.91 Inc. Vat   £81.91 Inc. Vat

100% SHEEPWOOL INSULATION PREMIUM ROLL (All Sizes)

Sheepwool

£70.27 --> £70.27 Ex. Vat  
£84.32 Inc. Vat  

Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes

Warmline

£37.40 --> £37.40 Ex. Vat  
£44.88 Inc. Vat  

110mm Celotex XR4110 2.4m x 1.2m

Celotex

£34.30 --> £34.30 Ex. Vat  
£41.16 Inc. Vat  

Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m

Kingspan

£172.20 --> £172.20 Ex. Vat  
£206.64 Inc. Vat  

Thinsulex TLX Silver Multifoil 1.2m x 10m (12m2 roll)

Thinsulex

£86.76 --> £86.76 Ex. Vat  
£104.11 Inc. Vat  

130mm Celotex XR4130 2.4m x 1.2m

Celotex

£40.60 --> £40.60 Ex. Vat  
£48.72 Inc. Vat  

Eco-versal (2.4m x 1.2m) - All Sizes

Ecotherm

£13.82 --> £13.82 Ex. Vat  
£16.58 Inc. Vat  

Rockwool RW3 1200mm x 600mm (All Sizes)

Rockwool

£23.07 --> £23.07 Ex. Vat  
£27.68 Inc. Vat  

Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m

Kingspan

£230.07 --> £230.07 Ex. Vat  
£276.08 Inc. Vat  

Knauf Earthwool RS140 (600mm x 1200mm) - All Sizes

Knauf Earthwool

£29.15 --> £29.15 Ex. Vat  
£34.98 Inc. Vat  

Thinsulex TLX Gold Multifoil 1.2m x 10m (12m2 roll)

Thinsulex

£158.83 --> £158.83 Ex. Vat  
£190.60 Inc. Vat  

165mm Celotex XR4165 2.4m x 1.2m

Celotex

£59.12 --> £59.12 Ex. Vat  
£70.94 Inc. Vat  

Knauf Earthwool RS60 (600mm x 1200mm) - All Sizes

Knauf Earthwool

£24.39 --> £24.39 Ex. Vat  
£29.27 Inc. Vat  

Knauf Earthwool RS45 (600mm x 1200mm) - All Sizes

Knauf Earthwool

£21.55 --> £21.55 Ex. Vat  
£25.86 Inc. Vat  

Rockwool RW5 1200mm x 600mm (All Sizes)

Rockwool

£18.06 --> £18.06 Ex. Vat  
£21.67 Inc. Vat  

Knauf Earthwool Flexible Slab 600mm x 1200mm - All Sizes

Knauf Earthwool

£26.46 --> £26.46 Ex. Vat  
£31.75 Inc. Vat  

Knauf Frametherm 570mm x 1170mm - All Sizes

Knauf Earthwool

£47.56 --> £47.56 Ex. Vat  
£57.07 Inc. Vat  

Knauf Earthwool RS100 (600mm x 1200mm) - All Sizes

Knauf Earthwool

£26.74 --> £26.74 Ex. Vat  
£32.09 Inc. Vat  

Actis Boost'R Hybrid 6.7m x 1.5m Reflective Breather Membrane

Actis

£1,168.20 --> £1,168.20 Ex. Vat  
£1,401.84 Inc. Vat  

Knauf Frametherm Roll - All Sizes

Knauf Earthwool

£42.32 --> £42.32 Ex. Vat  
£50.78 Inc. Vat  

Actis Boost'R Hybrid Roof 35mm x 10m x 1.5m (15m2 pack)

Actis

£2,208.00 --> £2,208.00 Ex. Vat  
£2,649.60 Inc. Vat  

Knauf Frametherm Roll 40 90mm (‭14.25m2‬ pack)

Knauf Earthwool

£46.02 --> £46.02 Ex. Vat  
£55.22 Inc. Vat  

K7 130mm Pitched Roof Board

Kingspan

£0.00 -->

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.

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