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Internal Wall Insulation

One of the main disadvantages of internal insulation is the loss of room space; this may be minimised by using high performance insulation products that are thinner. While this is often a more affordable option than installing external wall insulation, the loss of space and potential necessity to take out and re-fit fitted kitchens and appliances can result in people choosing the external insulation option.

Insulation Shop offers a wide range of high performance PIR rigid insulation from manufacturers Celotex, Xtratherm. That includes PIR boards bonded to plasterboard (Celotex PL4000) which gives user the ability to install both the insulation and plasterboard in one operation thus significantly reducing installation time.

R-value Comparison Chart for Internal Wall Insulation products available at Insulation Shop

Legend

1* URSA Acoustic Insulation Roll

2* Isover Acoustic Partition Roll, Isover RD Party Wall Roll, Isover Acoustic Multi-Purpose Slab, Isover Acoustic High Performance Slab

3* Superglass Multi Acoustic Insulation Roll, Superglass Acoustic Insulation Roll

4* Rockwool RW3 Slab (Prorox SL 930)

5* Earthwool Acoustic Insulation Roll, Earthwool RS45 Universal Slab, Earthwool RS60 Universal Slab, Earthwool RS100 Universal Slab, Rockwool RWA45 (Prorox SL920)

6* Earthwool Flexible Insulation Slab, Rockwool Flexi Insulation Slab

7* Rockwool RW5 Slab (Prorox SL960)

8* Celotex FR5000 Fire Resistant Insulation Board

9* Celotex TB4000 Insulation Board, Celotex GA4000 Insulation Board, Celotex XR4000 Insulation Board, Kingspan Thermawall TW55 Wall Insulation Board, Recticel Eurothane GP Insulation Board, EcoTherm EcoVersal Insulation Board, Celotex PL4000 Insulated Plasterboard, Xtratherm Thin-R Thermal Liner - Mech FixXtratherm Safe-R Thermal Liner SR/TB - Dot & Dab, Gyproc Thermaline Insulated Plasterboard, Gyproc Thermaline MR Insulated Plasterboard, EcoTherm EcoLiner Insulated Plasterboard

10* Kingspan Kooltherm K118 Insulated Plasterboard 

11* Kingspan Kooltherm K17 Plasterboard, Kingspan Kooltherm K18 Plasterboard

12* Gyproc Thermaline Super Insulated Plasterboard, Kingspan Kooltherm K12 Framing Board, Xtratherm Safe-R Thermal Liner SR/TB Mex-Fix, Xtratherm Safe-R Thermal Liner SR/TB - Dot & Dab

13* Xtratherm Safe-R insulation Board

14* Cellecta Yelofoam X2i

15* Knauf Polyfoam Linerboard XPS

16* Grey Polystyrene (Graphite) EPS

17* Gyproc Thermaline Plus Insulated Plasterboard

18* Jablite EPS100 Polystyrene Insulation Board

19* Kay-Metzeler EPS70 Polystyrene Insulation Board

20* Jablite EPS70 Polystyrene Insulation Board, Knauf EPS Thermal Laminate Insulation Board

21* Gyproc Thermaline Basic insulated plasterboard

22* White Polystyrene Board

CHOOSE MANUFACTURERS or scroll down to see products (show)

Brand: Isoroc Model and Size: 1000mm x 600mm - 1.8m2
Delivery Time: 1 - 2 days
100mm Isoroc Isofas Mineral Wool Insulation Slab is a reliable and durable non-flammable insulation solution for universal use. These slabs can be used in external and internal wall insulation as thermal, acoustic and fire insulation. They can be used as a barrier for fire protection...
Guide Price: £41.00
£49.20 inc VAT
12.5mm Gyproc Habito High-Strength Plasterboard - 1200mm x 2400mm
Guide Price
Brand: British Gypsum Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 2 - 3 working days
12.5mm Gyproc Habito plasterboard features an engineered gypsum core with calcium sulphate dihydrate encased in paper liners. This core which provides enhanced levels of strength, durability and fixability. It provides more strength than standard plasterboard A 5mm (no. 10) wood screw in this plast..
Guide Price: £33.35
£40.02 inc VAT
25mm Superglass Multi Acoustic Insulation Roll (Split 2 x 600mm)
Guide Price
Brand: Superglass Model and Size: 22.5m x 2x600mm - 27.00m2
Delivery Time: 2 - 3 working days
25mm Multi Acoustic Insulation Roll is a lightweight, non-combustible glass wool roll for use in metal and timber stud partitions, separating floors and drylining systems. Multi Acoustic Roll is easy to install and provides excellent sound absorption performance in accordance with Approved Document ..
33mm Isocheck Isowave Cavity Barrier 33 - Underfloor and Above Ceiling Insulation
Guide Price
Brand: Isomass Model and Size: 1200x600 - 0.72m2
Delivery Time: 3 - 5 days
Isocheck Isowave Cavity Barrier 33 is an acoustic plasterboard used for reducing excessive flanking sound transmission through underfloor and above ceiling cavities, the voids beneath and above the partition. Isocheck Acoustic Cavity Barrier consists of a single or double layer of 10mm semi-rig..
Brand: Speedline Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1 - 5 working days
37.5mm Speedline Thermal Laminate Board is a 2 in 1 solution -- dry lining and thermal insulation-- in one single application. This thermal laminate board comprises a 25mm PIR foam with a kraft paper/aluminium multilayer finish, factory bonded to a 12.5mm tapered edge plasterboard. The PIR foam has ..
£49.61
£59.53 inc VAT
50mm Acoustic Rockwool Rockfloor Insulation Slab - 1000 x 600mm
Guide Price
Brand: Rockwool Model and Size: 1000x600mm - 0.6m2
Delivery Time: 8 - 12 weeks
50mm Acoustic Rockwool Rockfloor Insulation Slab is a tissue faced, high compressive mono-density insulation slab made from mineral stone wool designed to meet Part E Building Regulations in separating floors. The Acoustic Rockfloor slab is designed to absorb impact noise in sepa..
Brand: Rockwool Model and Size: 1000mm x 610mm - 7.32m2
Delivery Time: 1 - 2 days
50mm Rockwool Rocton Slabs are a reliable and durable non-flammable insulation solution for universal use. These high density slabs can be used in partition walls, curtain walls, within steel and timber frame structures, over ceilings and between floor joists. Rockwool Rocton has the highest so..
50mm Thermal Rockwool Rockfloor Insulation Slab - 1000 x 600mm
Guide Price
Brand: Rockwool Model and Size: 1000x600mm - 0.6m2
Delivery Time: 4 - 5 weeks
50mm Thermal Rockwool Rockfloor Insulation Slab is a tissue faced, high compressive dual density insulation slab made from mineral stone wool, and meets Part L Building Regulations in ground floors, and for acoustic applications, meets Building Regulations Part E, in intermediate and separ..
Guide Price: £23.22
£27.86 inc VAT
Brand: MGC Model and Size: 1000x12500 - 12.5m2
Delivery Time: 2 - 3 working days
5mm Sempatap is made from a natural latex with a durable woven fibre-glass face. It is in an open and closed cellular construction, which allows the substrate to breathe. Sempatap wallpaper rolls are 1 metre wide and 12.5 metres long. The adhesive is water-based, therefore there are no nasty smells ..
£299.00
£358.80 inc VAT
6mm Siniat GTEC Contour Board - 2400mm x 1200mm
Guide Price
Brand: Siniat Model and Size: 2400x1200 - 2.88m2
Delivery Time: 2 - 4 days
6mm Siniat GTEC Contour Board is a strong, lightweight and flexible gypsum plasterboard for creating curved walls and for ceilings, used to create imaginative surfaces. It can also be used for renovating internal walls to achieve a smooth surface. Siniat GTEC Contour Board's core is high d..
Guide Price: £23.55
£28.26 inc VAT
Brand: Knauf Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1 - 5 working days
75mm Knauf PIR Thermal Laminate Insulation Board is a 9.5mm tapered edge wallboard bonded to 65.5mm PIR insulation, offering great thermal and a level of acoustic insulation, perfect solution for insulation and dry-lining in walls and warm roof constructions, in both remodelling and new build p..
8mm Knauf Aquapanel Cement Board SkyLite 900mm x 1200mm
Guide Price
Brand: Knauf Model and Size: 900mm x 1200mm - 1.08m2
Delivery Time: 2 - 3 weeks
8mm Knauf Aquapanel Cement Board SkyLite is an extremely durable ceiling board that can be used in wet indoor areas such as bathrooms, shower rooms and wet rooms as well as some exterior soffits, dependent on specification. Knauf Aquapanel Skylite is resistant to mould and mildew and ..
Guide Price: £26.21
£31.45 inc VAT
Brand: Knauf Model and Size: 4.5m x 1.4m - 123.2m2
Delivery Time: 2 - 3 weeks
90mm Knauf Earthwool FrameTherm Roll is a lightweight, flexible, resilient and non-combustible glass mineral wool quilt, used for friction fitting between timber studs and rafters. The rolls are 1140mm wide and ready cut to produce 3 rolls in 380mm widths. It is specifically designed for friction fi..
Brand: Knauf Model and Size: 30kg
Delivery Time: 3 - 5 days
30kg Knauf MP 75 L is a factory prepared, basic, dry plaster mortar for hand or machine-applied single-layer gypsum plasters for internal walls. Knauf MP 75 L can be used on all kinds of mineral substrates from the basement to the roof in areas, where maximum humidity is less than 70%, including kit..
£23.95
£28.74 inc VAT
Brand: Low-E Model and Size: 1.25m x 24m - 30m2 - Free Delivery
Delivery Time: 1-3 working days
Low-E Micro-E Perforated gives you all the benefits of a reflective foil insulation, but the perforations are designed to allow moisture to pass through the product while limiting air movement. Low-E Perforated is recommended for use on the external sides of an insulati..
£160.79
£192.95 inc VAT
Brand: Low-E Model and Size: 1.25m x 24m - 30m2 - Free Delivery
Delivery Time: 2 - 3 working days
30m2 Low-E Micro-E Reflective Foil Insulation Roll gives a superior air infiltration barrier that reduces draughts and uncontrolled air movement and also increases thermal performance by blocking up to 97% of radiant heat. It is also a vapour control layer. Micro-E Reflective Foil Insulati..
£160.79
£192.95 inc VAT
Brand: Low-E Model and Size: 1.25m x 4m - 5m2 - Free Delivery
Delivery Time: 1-3 working days
Low-E Perforated Reflective Foil Insulation gives you all the benefits of a reflective foil insulation, but the perforations are designed to allow moisture to pass through the product while limiting air movement. Low-E Perforated is recommended for use on the external sides of an insulation system a..
£44.69
£53.63 inc VAT
Brand: Low-E Model and Size: 416mm x 24m - 10m2 - Free Delivery
Delivery Time: 1-3 working days
10m2 Low-E Tab 16 Reflective Foil Insulation Roll gives a superior air infiltration barrier that reduces draughts and uncontrolled air movement and also increases thermal performance by blocking up to 97% of radiant heat. It is also a vapour control layer. Low-E Tab Reflective Foil Insulation&n..
£69.37
£83.24 inc VAT
Brand: Low-E Model and Size: 1.25m x 12m - 15m2 - Free Delivery
Delivery Time: 1-3 working days
15m2 Low-E Ultra-E Reflective Foil Insulation Roll is a 11mm thick superior vapour control barrier that greatly reduces noise transmission, while the pure aluminium facings still reflect up to 97% of radiant heat. Low-E Ultra-E Reflective Foil Insulation is totally non-toxic and with no fibres,..
£151.88
£182.26 inc VAT
Brand: MGC Model and Size: 60cm
Delivery Time: 2 - 3 working days
Sempaflue Inflation Tube - 60cm, which is used to pump air into Sempaflue Chimney Balloons. The Chimney Balloon is simply inflated and placed within the chimney cavity. The Balloons unique shape would leave small air gaps in two corners, allowing air to ventilate the chimney.Please note: this produc..
£2.58
£3.10 inc VAT
Brand: MGC Model and Size: pack of 5
Delivery Time: 2 - 3 working days
Sempatherm Radiator Insulation Panels would reduce the amount of heat loss from radiators into the walls. The panel profile would substantially improve air circulation to make rooms warmer and to eliminate cold spots. These panels are easy to install and would help to reduce your fuel bill. They hav..
£30.19
£36.23 inc VAT
Brand: Kingspan Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 3 - 5 days
Single Board 37.5mm Kingspan Kooltherm K118 Insulated Plasterboard is a premium performance, lower lambda internal wall insulation, with a fibre-free rigid thermoset phenolic core. It has a 12.5mm plasterboard bonded to its front surface and a composite foil based facing on its reverse surface. It i..
Guide Price: £78.24
£93.89 inc VAT
37.5mm Isocheck Isoliner Thermal Laminate Board - (25mm PIR bonded to 12.5mm Gyproc SoundBloc) - 2400mm x 1200mm 37.5mm Isocheck Isoliner Thermal Laminate Board - (25mm PIR bonded to 12.5mm Gyproc SoundBloc) - 2400mm x 1200mm
Guide Price
Brand: Isomass Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 3 - 5 days
37.5mm Isocheck Isoliner Thermal Laminate Board comprise a 25mm rigid PIR foam insulation board bonded to a 12.5mm tapered edge Gyproc SoundBloc. On the reverse face, the insulation has a multi-layer kraft paper and aluminium facing. This board can be used to line walls and ceilings. It can be ..
48mm Speedline Drywall Fibreglass Tape - Plasterboard Scrim Tape - 90m roll
Guide Price
Brand: Speedline Model and Size: 48mm x 90m
Delivery Time: 1 - 2 days
 48mm x 90m Speedline Drywall Fibreglass Tape, a flexible self-adhesive scrim tape to cover plasterboard joints...
Brand: Knauf Model and Size: 1200mm x 400mm - 5.76m2
Delivery Time: 2 - 5 working days
50mm Knauf Omnifit 35 Glass Wool Slabs are rigid multipurpose, flexible, non-combustible glass mineral wool slab that is designed for friction fitting installation at 400mm spacings. It has excellent thermal, acoustic, and fire resistance. The sound absorption qualities of Knauf Omnifit slabs are re..
50mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 600mm (pack of 12)
Guide Price
Brand: Knauf Model and Size: 1200mm x 600mm - 8.64m2
Delivery Time: 2 - 5 working days
50mm Knauf Omnifit 35 Glass Wool Slabs are rigid multipurpose, flexible, non-combustible glass mineral wool slab that is designed for friction fitting installation at 600mm spacings. It has excellent thermal, acoustic, and fire resistance. The sound absorption qualities of Knauf Omnifit slabs are re..
Brand: Rockwool Model and Size: 1200mm x 600mm - 4.80m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock F Plus Rainscreen Slab is a dual-density rigid insulation, used where façade safety is important. As it has a higher density, it can be used for walls with increased fire requirements. Thanks to high resistance to water absorption, the problems of wetting during wor..
50mm Rockwool Ventirock F Super Dual-Density Rainscreen Slab - 1000mm x 600mm - pack of 4
Guide Price
Brand: Rockwool Model and Size: 1000mm x 600mm - 2.40m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock F Super Rainscreen Slab is a dual-density rigid insulation, used where façade safety is important. As it has a higher density, it can be used for walls with increased fire requirements. Thanks to high resistance to water absorption, the problems of wetting during wo..
Brand: Rockwool Model and Size: 1000mm x 600mm - 2.40m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock Super Rainscreen Slab is a dual-density rigid insulation, used where façade safety is important. As it has a higher density, it can be used for walls with increased fire requirements. Thanks to high resistance to water absorption, the problems of wetting during work..
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