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The 10-49mm insulation includes all insulation thicknesses within this range. Helps you easily find the insulation sizes you, for example, the common sizes in this category include:

12mm, 20mm, 25mm, 30mm, 32.5mm, 37.5mm, 40mm

Brands that offer these sizes include:

Celotex, Kingspan, Isover, Rockwool, TLX and Knauf

SPECIAL OFFER (Limited Stock)
celotex TB4000 insulation board, thermal bridging insulation board, TB4012, TB4030 TB4040, TB4025, 12MM, 30MM, 40MM, 25MM, 20MM,celotex TB4000 insulation board, thermal bridging insulation board
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CELOTEX TB4000 RANGE (12mm-40mm)

12mm Celotex TB4012 Thermal Bridging Insulation Board 2.4m x 1.2m

£19.20 Inc VAT £16.00 Ex VAT
SPECIAL OFFER
celotex TB4000 insulation board, thermal bridging insulation board, TB4012, TB4030 TB4040, TB4025, 12MM, 30MM, 40MM, 25MM, 20MM,celotex TB4000 insulation board, thermal bridging insulation board
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CELOTEX TB4000 RANGE (12mm-40mm)

20mm Celotex TB4020 2.4m x 1.2m

£13.14 Inc VAT £10.95 Ex VAT
k5 kingspan insulation - external wall
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Insulation

20mm Kingspan K5 Kooltherm Insulation

£7.50 Inc VAT £6.25 Ex VAT
Kingspan Thermapitch -tp10- loft insulation
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10-49mm Insulation

20mm Kingspan TP10 Thermapitch Insulation

£19.14 Inc VAT £15.95 Ex VAT
SPECIAL OFFER
celotex TB4000 insulation board, thermal bridging insulation board, TB4012, TB4030 TB4040, TB4025, 12MM, 30MM, 40MM, 25MM, 20MM,celotex TB4000 insulation board, thermal bridging insulation board
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CELOTEX TB4000 RANGE (12mm-40mm)

25mm Celotex TB4025 Insulation Board 2.4m x 1.2m

£12.90 Inc VAT £10.75 Ex VAT
Knauf APR Acoustic Partition Roll - 25mm, 50mm, 75mm, 100mm, Knauf Earthwool, Knauf APR, Cheap Insulation, Insulation London, Birmingham, Manchester, Bristol, CornwallKnauf APR Acoustic Partition Roll - 25mm, 50mm, 75mm, 100mm, Knauf Earthwool, Knauf APR, Cheap Insulation, Insulation London, Birmingham, Manchester, Bristol, Cornwall
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10-49mm Insulation

25mm Earthwool Acoustic Roll (APR)- Knauf – 24m2/roll

£31.00 Inc VAT £25.83 Ex VAT
SPECIAL OFFER
Ecotherm EcoVersal, PIR board, PIR Insulation, Cheap ecotherm in London, Manchester, Birmingham, Bristol, Scotland,25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 125mm, 130mm, 140mm, 150mmEcotherm EcoVersal, PIR board, PIR Insulation, Cheap ecotherm in London, Manchester, Birmingham, Bristol, Scotland,25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 125mm, 130mm, 140mm, 150mm
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10-49mm Insulation

25mm EcoTherm Eco-Versal Insulation

£13.15 Inc VAT £10.96 Ex VAT
Bulk Buy £26.25
Isover apr acoustic partition roll 25mm, 50mm, 75mm, 100mm insulation roll
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10-49mm Insulation

25mm Isover APR Acoustic Partition Roll – 24m2 / roll

£34.25 Inc VAT £28.54 Ex VAT
K103 kingspan kooltherm insulation cheap
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10-49mm Insulation

25mm Kingspan K103 Kooltherm Insulation

£30.00 Inc VAT £25.00 Ex VAT
Thermal Conductivity 0.018W/mK
KINGSPAN KOOLTHERM K107 0.018W/mK Phenolic Insulation, Kooltherm, Cheap Kingspan Kooltherm in London, Birmingham, Manchester, Bristol, Scotland, Wales, Cornwall, DevonKINGSPAN KOOLTHERM K107 0.018W/mK Phenolic Insulation, Kooltherm, Cheap Kingspan Kooltherm in London, Birmingham, Manchester, Bristol, Scotland, Wales, Cornwall, Devon
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10-49mm Insulation

25mm Kingspan K107 Kooltherm Insulation 2.4m x 1.2m

£30.60 Inc VAT £25.50 Ex VAT
kingspan k7 roof insulation- onlineKingspan Kooltherm K7 Phenolic Insulation 25mm, 40mm, 50mm, 60mm, 70mm, 80mm, 100mm, 120mm, 140mm, cheap kingspan, cheap phenolic insulation, cheap kooltherm
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10-49mm Insulation

25mm Kingspan K7 Kooltherm Insulation

£27.50 Inc VAT £22.92 Ex VAT
Kingspan Thermapitch -tp10- loft insulation
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10-49mm Insulation

25mm Kingspan TP10 Thermapitch Insulation

£16.17 Inc VAT £13.48 Ex VAT
Kingspan thermaroof tr26
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10-49mm Insulation

25mm Kingspan TR26 Thermaroof Insulation

£23.76 Inc VAT £19.80 Ex VAT
SPECIAL OFFER
Recticel Eurothane GP Insulation Board, Cheap Insulation, General Purpose Insulation, PIR Insulation, Cheap Insulation London, Birmingham, Manchester, Scotland, Bristol, Cornwall, Bristol, Wales, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 70mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mmRecticel Eurothane GP Insulation Board, Cheap Insulation, General Purpose Insulation, PIR Insulation, Cheap Insulation London, Birmingham, Manchester, Scotland, Bristol, Cornwall, Bristol, Wales, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 70mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mm
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10-49mm Insulation

25mm Recticel Eurothane GP Insulation Board

£13.25 Inc VAT £11.04 Ex VAT
Rockwool RW3 Insulation, Wall, Floor, Acoustic, Thermal, 60kg/m3. 100mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mm Slab Insulation
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10-49mm Insulation

25mm RW3 Rockwool Slab Insulation

£29.25 Inc VAT £24.38 Ex VAT
Bulk Buy £15.63
RW45 rockwool acoustic insulation, slab insulation, acoustic sound slab, dense slab, acoustic slabs, rockwool insulation, slab insulation, 100mm, 75mm, 50mm, 25mm
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10-49mm Insulation

25mm RWA45 Rockwool Slab Insulation (12 packs of 11.52m2 = 138.24m2)

£225.00 Inc VAT £187.50 Ex VAT
SPECIAL OFFER
Xtratherm PIR Insulation board, Celotex, Kingspan, Ecotherm, Recticel, Cheapest PIR, Cheap insulation, Cheap PIR, Cheap Extratherm, Cheap Xtratherm London, Manchester, Birmingham, Bristol, Cornwall, Devon, Kent, Newcastle, Wales, Scotland, 165mm, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 75mm, 70mm, 60mm, 50mm, 40mm, 30mm, 25mmXtratherm PIR Insulation board, Celotex, Kingspan, Ecotherm, Recticel, Cheapest PIR, Cheap insulation, Cheap PIR, Cheap Extratherm, Cheap Xtratherm London, Manchester, Birmingham, Bristol, Cornwall, Devon, Kent, Newcastle, Wales, Scotland, 165mm, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 75mm, 70mm, 60mm, 50mm, 40mm, 30mm, 25mm
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10-49mm Insulation

25mm Xtratherm Thin-R General Purpose PIR insulation Board

£13.45 Inc VAT £11.21 Ex VAT
27mm Warmline XPS
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10-49mm Insulation

27mm Warmline XPS Laminated Insulated Plasterboard (Knauf XPS Plus)

£33.50 Inc VAT £27.92 Ex VAT
SPECIAL OFFER
celotex TB4000 insulation board, thermal bridging insulation board, TB4012, TB4030 TB4040, TB4025, 12MM, 30MM, 40MM, 25MM, 20MM,celotex TB4000 insulation board, thermal bridging insulation board
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CELOTEX TB4000 RANGE (12mm-40mm)

30mm Celotex TB4030 Thermal Bridging Insulation Board 2.4m x 1.2m

£15.60 Inc VAT £13.00 Ex VAT
SPECIAL OFFER
Ecotherm EcoVersal, PIR board, PIR Insulation, Cheap ecotherm in London, Manchester, Birmingham, Bristol, Scotland,25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 125mm, 130mm, 140mm, 150mmEcotherm EcoVersal, PIR board, PIR Insulation, Cheap ecotherm in London, Manchester, Birmingham, Bristol, Scotland,25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 125mm, 130mm, 140mm, 150mm
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10-49mm Insulation

30mm EcoTherm Eco-Versal Insulation

£15.80 Inc VAT £13.17 Ex VAT
Kingspan Thermapitch -tp10- loft insulation
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10-49mm Insulation

30mm Kingspan TP10 Thermapitch Insulation

£23.10 Inc VAT £19.25 Ex VAT
SPECIAL OFFER
Recticel Eurothane GP Insulation Board, Cheap Insulation, General Purpose Insulation, PIR Insulation, Cheap Insulation London, Birmingham, Manchester, Scotland, Bristol, Cornwall, Bristol, Wales, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 70mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mmRecticel Eurothane GP Insulation Board, Cheap Insulation, General Purpose Insulation, PIR Insulation, Cheap Insulation London, Birmingham, Manchester, Scotland, Bristol, Cornwall, Bristol, Wales, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 70mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mm
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10-49mm Insulation

30mm Recticel Eurothane GP Insulation Board

£15.40 Inc VAT £12.83 Ex VAT
Rockwool RW3 Insulation, Wall, Floor, Acoustic, Thermal, 60kg/m3. 100mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mm Slab Insulation
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10-49mm Insulation

30mm RW3 Rockwool Slab Insulation

£32.00 Inc VAT £26.67 Ex VAT
SPECIAL OFFER
Xtratherm PIR Insulation board, Celotex, Kingspan, Ecotherm, Recticel, Cheapest PIR, Cheap insulation, Cheap PIR, Cheap Extratherm, Cheap Xtratherm London, Manchester, Birmingham, Bristol, Cornwall, Devon, Kent, Newcastle, Wales, Scotland, 165mm, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 75mm, 70mm, 60mm, 50mm, 40mm, 30mm, 25mmXtratherm PIR Insulation board, Celotex, Kingspan, Ecotherm, Recticel, Cheapest PIR, Cheap insulation, Cheap PIR, Cheap Extratherm, Cheap Xtratherm London, Manchester, Birmingham, Bristol, Cornwall, Devon, Kent, Newcastle, Wales, Scotland, 165mm, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 75mm, 70mm, 60mm, 50mm, 40mm, 30mm, 25mm
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10-49mm Insulation

30mm Xtratherm Thin-R General Purpose PIR insulation Board

£15.40 Inc VAT £12.83 Ex VAT
Kingspan Koolthem K118, insulated plasterboard, 20mm, 25mm, 30mm, 40mm, 45mm, 50mm, 60mmKingspan Kooltherm k118, Phenolic Insulated Plasterboard, Insulated Plasterboard, 32.5mm, 37.5mm, 42.5mm, 52.5mm, 62.5mm, 72.5mm, Cheap kingspan, Cheap Insulated Plasterboard
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10-49mm Insulation

32.5mm Kingspan K118 Kooltherm Insulated Plasterboard

£54.00 Inc VAT £45.00 Ex VAT
27mm Warmline XPS
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10-49mm Insulation

35mm Warmline XPS Laminated Insulated Plasterboard

£48.22 Inc VAT £40.18 Ex VAT
Kingspan Koolthem K118, insulated plasterboard, 20mm, 25mm, 30mm, 40mm, 45mm, 50mm, 60mmKingspan Kooltherm k118, Phenolic Insulated Plasterboard, Insulated Plasterboard, 32.5mm, 37.5mm, 42.5mm, 52.5mm, 62.5mm, 72.5mm, Cheap kingspan, Cheap Insulated Plasterboard
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10-49mm Insulation

37.5mm Kingspan K118 Kooltherm Insulated Plasterboard

£61.20 Inc VAT £51.00 Ex VAT
SPECIAL OFFER
celotex TB4000 insulation board, thermal bridging insulation board, TB4012, TB4030 TB4040, TB4025, 12MM, 30MM, 40MM, 25MM, 20MM,celotex TB4000 insulation board, thermal bridging insulation board
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10-49mm Insulation

40mm Celotex TB4040 Insulation Board 2.4m x 1.2m

£17.70 Inc VAT £14.75 Ex VAT
SPECIAL OFFER
Ecotherm EcoVersal, PIR board, PIR Insulation, Cheap ecotherm in London, Manchester, Birmingham, Bristol, Scotland,25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 125mm, 130mm, 140mm, 150mmEcotherm EcoVersal, PIR board, PIR Insulation, Cheap ecotherm in London, Manchester, Birmingham, Bristol, Scotland,25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 125mm, 130mm, 140mm, 150mm
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10-49mm Insulation

40mm EcoTherm Eco-Versal Insulation

£19.25 Inc VAT £16.04 Ex VAT
K103 kingspan kooltherm insulation cheap
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10-49mm Insulation

40mm Kingspan K103 Kooltherm Insulation

£40.02 Inc VAT £33.35 Ex VAT
Thermal Conductivity 0.018W/mK
KINGSPAN KOOLTHERM K107 0.018W/mK Phenolic Insulation, Kooltherm, Cheap Kingspan Kooltherm in London, Birmingham, Manchester, Bristol, Scotland, Wales, Cornwall, DevonKINGSPAN KOOLTHERM K107 0.018W/mK Phenolic Insulation, Kooltherm, Cheap Kingspan Kooltherm in London, Birmingham, Manchester, Bristol, Scotland, Wales, Cornwall, Devon
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10-49mm Insulation

40mm Kingspan K107 Kooltherm Insulation 2.4m x 1.2m

£41.40 Inc VAT £34.50 Ex VAT
kingspan k7 roof insulation- onlineKingspan Kooltherm K7 Phenolic Insulation 25mm, 40mm, 50mm, 60mm, 70mm, 80mm, 100mm, 120mm, 140mm, cheap kingspan, cheap phenolic insulation, cheap kooltherm
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10-49mm Insulation

40mm Kingspan K7 Kooltherm Insulation

£35.50 Inc VAT £29.58 Ex VAT
Kingspan Thermapitch -tp10- loft insulation
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10-49mm Insulation

40mm Kingspan TP10 Thermapitch Insulation

£26.40 Inc VAT £22.00 Ex VAT
SPECIAL OFFER
Recticel Eurothane GP Insulation Board, Cheap Insulation, General Purpose Insulation, PIR Insulation, Cheap Insulation London, Birmingham, Manchester, Scotland, Bristol, Cornwall, Bristol, Wales, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 70mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mmRecticel Eurothane GP Insulation Board, Cheap Insulation, General Purpose Insulation, PIR Insulation, Cheap Insulation London, Birmingham, Manchester, Scotland, Bristol, Cornwall, Bristol, Wales, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 70mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mm
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Insulation

40mm Recticel Eurothane GP Insulation Board

£19.25 Inc VAT £16.04 Ex VAT
Rockwool RW3 Insulation, Wall, Floor, Acoustic, Thermal, 60kg/m3. 100mm, 75mm, 60mm, 50mm, 40mm, 30mm, 25mm Slab Insulation
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10-49mm Insulation

40mm RW3 Rockwool Slab Insulation

£27.00 Inc VAT £22.50 Ex VAT
27mm Warmline XPS
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10-49mm Insulation

40mm Warmline XPS Laminated Insulated Plasterboard

£53.92 Inc VAT £44.93 Ex VAT
SPECIAL OFFER
Xtratherm PIR Insulation board, Celotex, Kingspan, Ecotherm, Recticel, Cheapest PIR, Cheap insulation, Cheap PIR, Cheap Extratherm, Cheap Xtratherm London, Manchester, Birmingham, Bristol, Cornwall, Devon, Kent, Newcastle, Wales, Scotland, 165mm, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 75mm, 70mm, 60mm, 50mm, 40mm, 30mm, 25mmXtratherm PIR Insulation board, Celotex, Kingspan, Ecotherm, Recticel, Cheapest PIR, Cheap insulation, Cheap PIR, Cheap Extratherm, Cheap Xtratherm London, Manchester, Birmingham, Bristol, Cornwall, Devon, Kent, Newcastle, Wales, Scotland, 165mm, 150mm, 140mm, 130mm, 120mm, 110mm, 100mm, 90mm, 80mm, 75mm, 70mm, 60mm, 50mm, 40mm, 30mm, 25mm
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10-49mm Insulation

40mm Xtratherm Thin-R General Purpose PIR insulation Board

£19.25 Inc VAT £16.04 Ex VAT
Kingspan Koolthem K118, insulated plasterboard, 20mm, 25mm, 30mm, 40mm, 45mm, 50mm, 60mmKingspan Kooltherm k118, Phenolic Insulated Plasterboard, Insulated Plasterboard, 32.5mm, 37.5mm, 42.5mm, 52.5mm, 62.5mm, 72.5mm, Cheap kingspan, Cheap Insulated Plasterboard
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10-49mm Insulation

42.5mm Kingspan K118 Kooltherm Insulated Plasterboard

£63.00 Inc VAT £52.50 Ex VAT
Actis Boost'R Multi Foil 10m2, Breathable Insulation Membrane, Actis Insulation, Cheap Insulation London, Birmingham, Manchester, BristolActis Boost'R Multi Foil 10m2, Breathable Insulation Membrane, Actis Insulation, Cheap Insulation London, Birmingham, Manchester, Bristol
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10-49mm Insulation

ACTIS BOOST’R HYBRID 35mm – 10m2 / Roll

£88.50 Inc VAT £73.75 Ex VAT
Actis HControl Hybris 10m2, 45mm, Multi Foil Insulation, Wall, Roof, Floor, External Roof, Cheap Multi Foil Insulation London, Birmingham, Manchester, BristolActis HControl Hybris 10m2, 45mm, Multi Foil Insulation, Wall, Roof, Floor, External Roof, Cheap Multi Foil Insulation London, Birmingham, Manchester, Bristol
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10-49mm Insulation

ACTIS HCONTROL HYBRID 45mm – 6.25m x 1.6m – 10m2 / Roll

£89.00 Inc VAT £74.17 Ex VAT
Actis Triso Super 10 16m2, multi foil insulation, actis insulation, cheap insulation london, Birmingham, manchester, bristolActis Triso Super 10 16m2, multi foil insulation, actis insulation, cheap insulation london, Birmingham, manchester, bristol
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10-49mm Insulation

ACTIS TRISO SUPER 10+ 1.6m x 10m (16m2)

£230.00 Inc VAT £191.67 Ex VAT
SPECIAL OFFER
PL4000 Celotex insulation, insulated plasterboard, PL4040, PL4050, PL4025, PL4060, 12.5mm plasterboard, 40mm, 50mm, 60mm, 25mm, 375.mm, 52.5mm, 62.5mm, 72.5mmPL4000 Celotex insulation, insulated plasterboard
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10-49mm Insulation

Celotex PL4025 37.5mm Insulated Plasterboard 2.4m x 1.2m

£33.99 Inc VAT £28.33 Ex VAT
Polystyrene EPS 70 - 25mm, 50mm, 75mm, 100mm, 2.4m x 1.2m Sheet, Cheap PolystyrenePolystyrene EPS 70 - 25mm, 50mm, 75mm, 100mm, 2.4m x 1.2m Sheet, Cheap Polystyrene
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10-49mm Insulation

Polystyrene Insulation 25mm EPS70 1200x2400mm – (12 sheets Per Pack)

£59.99 Inc VAT £49.99 Ex VAT
Thermaline Basic
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10-49mm Insulation

Thermaline Basic 22mm 2.4m x 1.2m (Polystyrene backed plasterboard)

£45.62 Inc VAT £38.02 Ex VAT
Thermaline Basic
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10-49mm Insulation

Thermaline Basic 30mm 2.4m x 1.2m (Polystyrene backed plasterboard)

£45.62 Inc VAT £38.02 Ex VAT
Thermaline Basic
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10-49mm Insulation

Thermaline Basic 40mm 2.4m x 1.2m (Polystyrene backed plasterboard)

£51.84 Inc VAT £43.20 Ex VAT
TLX Gold multifoilTLX Gold Layers multifoil
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10-49mm Insulation

Thinsulex TLX Gold Multifoil 1.2m x 10m

£148.00 Inc VAT £123.33 Ex VAT
TLX thinsulex silver insulationTLX thinsulex silver insulation how to install
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10-49mm Insulation

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

£83.00 Inc VAT £69.17 Ex VAT
FREE SHIPPING / Bulk Buy £72.00
YBS Superquilt, multifoil insulation
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10-49mm Insulation

YBS SuperQuilt Multifoil Insulation- 1.2m x 10m Roll (12m2 Roll)

£92.00 Inc VAT £76.67 Ex VAT
FREE SHIPPING / Bulk Buy £79.00
YBS Superquilt, multifoil insulation
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10-49mm Insulation

YBS SuperQuilt Multifoil Insulation- 1.5m x 10m Roll (15m2 Roll)

£95.95 Inc VAT £79.96 Ex VAT