Loft Insulation
There are many different types of loft insulation including options to boost thermal performance, improve acoustics and insulate between rafters. When it comes to installing roof insulation you will fit either ‘warm roof’ or ‘cold roof’ insulation, depending on the intended use of your loft space.
‘Warm roof’ insulation sits under the pitch of the roof in the joists, to insulate the loft itself, and is recommended when the loft space is being utilised as a room. For ‘cold roof’ insulation, its purpose is to sit on the floor of the loft, effectively insulating the ceilings of the rooms below and is used when the attic space is only really required for storage.
When it comes to choosing the best roof insulation to install, loft insulation boards and slabs are popular choices. They’re ideal for all types of construction and offer great thermal performance. If you’re tight on space consider loft roll. Made of glass mineral wool or Earthwool, it’s a great space-saving option that is pre-perforated to fit between any joist spacing.
Loft insulation boards are often composed of materials like expanded polystyrene (EPS) or polyisocyanurate (PIR), which provide exceptional thermal insulation, preventing heat loss during colder months and minimising heat gain in warmer seasons.
Here at Roofing Superstore, we have a host of loft insulation in various sizes and thicknesses to suit your requirements. We supply loft insulation products from some of the industry's leading brands, such as TLX, Celotex, Recticel, Knauf and Isover.
If you have any questions or queries, please get in touch with our experts on 01752 692 760 and we'll be happy to help.
We also stock:
Need some help choosing your loft insulation? Check our handy guides:
Categories (11)
Products in Loft Insulation :
Showing 1 - 36 of 715 products
Our recommendations
![Celotex GA4100 PIR Insulation Board - 2400 x 1200 x 100mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567773314.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£37.20 incl VAT
You save: £0.60
Was:
£37.80
![Celotex GA4050 PIR Insulation Board - 2400 x 1200 x 50mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567772668.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£21.60 incl VAT
You save: £1.80
Was:
£23.40
![Celotex XR4120 High Performance PIR Insulation Board - 2400 x 1200 x 120mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771271.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£46.80 incl VAT
You save: £3.60
Was:
£50.40
![Celotex TB4025 PIR Insulation Board - 2400 x 1200 x 25mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775586.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£15.00 incl VAT
You save: £0.60
Was:
£15.60
![Celotex GA4075 PIR Insulation Board - 2400 x 1200 x 75mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567773022.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£31.20 incl VAT
You save: £1.80
Was:
£33.00
![Celotex XR4150 High Performance PIR Insulation Board - 2400 x 1200 x 150mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771603.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£58.20 incl VAT
You save: £1.80
Was:
£60.00
![Celotex GA4070 PIR Insulation Board - 2400 x 1200 x 70mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567772914.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£29.40 incl VAT
You save: £4.20
Was:
£33.60
![Celotex TB4040 PIR Insulation Board - 2400 x 1200 x 40mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775845.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£20.40 incl VAT
You save: £2.40
Was:
£22.80
![Celotex XR4140 High Performance PIR Insulation Board - 2400 x 1200 x 140mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771557.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£55.20 incl VAT
You save: £4.80
Was:
£60.00
![Celotex PL4060 Insulated Plasterboard 2400 x 1200 x 72.5mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-pl4000-insulated-plasterboard-1567768669-1570797602.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£64.80 incl VAT
You save: £4.80
Was:
£69.60
![Celotex PL4025 Insulated Plasterboard 2400 x 1200 x 37.5mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-pl4000-insulated-plasterboard-1567768669-1570795965.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£44.40 incl VAT
You save: £2.40
Was:
£46.80
![Celotex TB4020 PIR Insulation Board - 2400 x 1200 x 20mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775586.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£15.00 incl VAT
You save: £1.20
Was:
£16.20
![Celotex TB4030 PIR Insulation Board - 2400 x 1200 x 30mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775760.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£16.50 incl VAT
You save: £2.10
Was:
£18.60
![Celotex GA4080 PIR Insulation Board - 2400 x 1200 x 80mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567773094.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£33.60 incl VAT
You save: £3.60
Was:
£37.20
![Celotex PL4050 Insulated Plasterboard 2400 x 1200 x 62.5mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-pl4000-insulated-plasterboard-1567768669-1570797027.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£60.00 incl VAT
You save: £2.28
Was:
£62.28
![Celotex PL4040 Insulated Plasterboard 2400 x 1200 x 52.5mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-pl4000-insulated-plasterboard-1567768669-1570796640.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£52.80 incl VAT
You save: £3.60
Was:
£56.40
![Celotex XR4130 High Performance PIR Insulation Board - 2400 x 1200 x 130mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771406.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£55.20 incl VAT
You save: £4.20
Was:
£59.40
![Celotex GA4060 PIR Insulation Board - 2400 x 1200 x 60mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567772808.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£27.60 incl VAT
You save: £3.00
Was:
£30.60
![Celotex CW4050 Cavity Wall Insulation Board 1200m x 450 x 50mm - Pack of 11 Sheets](https://static.prod.cmostores.com/uploads/products/1/l/celotex-cw4000-insulation-board-1570706403.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£57.60 incl VAT
You save: £2.40
Was:
£60.00
![Celotex CW4060 Cavity Wall Insulation Board - 1200 x 450 x 60mm - Pack of 10 Sheets](https://static.prod.cmostores.com/uploads/products/1/l/celotex-cw4000-insulation-board-1570708251.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£72.00 incl VAT
You save: £4.80
Was:
£76.80
![Celotex XR4110 High Performance PIR Insulation Board - 2400 x 1200 x 110mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771168.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£46.20 incl VAT
You save: £3.60
Was:
£49.80
![Celotex CW4040 Cavity Wall Insulation Board - 1200 x 450 x 40mm - Pack of 14 Sheets](https://static.prod.cmostores.com/uploads/products/1/l/celotex-cw4000-insulation-board-1570704998.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£72.00 incl VAT
You save: £7.20
Was:
£79.20
![Kingspan Kooltherm K107 Pitched Roof Insulation Board 100mm - 8.64m2 Pack](https://static.prod.cmostores.com/uploads/products/2/l/kingspan-kooltherm-k107-pitched-roof-board-cdaljqw9vt-occswyyrqr.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£366.00 incl VAT
You save: £6.00
Was:
£372.00
![Kingspan Thermaroof TR24 PIR Flat Roof Insulation Board 1200 X 600 X 130mm - Pack of 3 Sheets](https://static.prod.cmostores.com/uploads/products/1/l/tr24-torch-on-insulation-by-kingspan-thermaroof-130mm--216m2-pack208374.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£92.40 incl VAT
You save: £9.60
Was:
£102.00
![Kingspan Kooltherm K106 Cavity Insulation Board 1200 x 450 x 90mm - Pack of 4 Sheets](https://static.prod.cmostores.com/uploads/products/1/l/kingspan-kooltherm-k106-cavity-board-90mm--216m2-pack-4-sheets200960.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£98.40 incl VAT
You save: £1.20
Was:
£99.60
![Kingspan Kooltherm K107 Phenolic Pitched Roof Insulation Board 2400 X 1200 X 120mm - Pack of 2 Sheets](https://static.prod.cmostores.com/uploads/products/1/l/kingspan-kooltherm-k107-2400mm-x-1200mm-x-120mm--576m2-pack-2-sheets200859.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£288.00 incl VAT
You save: £6.00
Was:
£294.00
![Kingspan Thermaroof TR27 PIR Flat Roof Insulation Board 1200 X 1200 X 100mm - Pack of 4 Sheets](https://static.prod.cmostores.com/uploads/products/2/l/18970.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£180.00 incl VAT
You save: £18.00
Was:
£198.00
![Kingspan Kooltherm K107 Phenolic Pitched Roof Insulation Board 2400 x 1200 x 60mm - Pack of 5 Sheets](https://static.prod.cmostores.com/uploads/products/1/l/kingspan-kooltherm-k107-2400mm-x-1200mm-x-60mm--144m2-pack-5-sheets200915.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£384.00 incl VAT
You save: £6.00
Was:
£390.00
Showing 1-36 of 715