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ACTIS Cavity and Internal Wall Insulation

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When you’re looking for thermal insulation for a construction project, or you need to improve energy efficiency in an existing building, it’s worth investing in quality cavity wall insulation. In our wide range of wall insulation and cavity insulation you’ll find glass mineral wool rolls and slabs, resin-bonded slabs, and stone wool slab options. All of our wall insulation is certified Euroclass A1 fire resistant and is suitable for external wall insulation and partition wall insulation. You’ll also find acoustic insulation to aid privacy and noise reduction from adjoining properties, above and below. With a choice of sizes and ready cut options you’ll find what you need to suit your building application.
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Actis Hybris Panels 170mm 2 Pack 2.74m2
Product Code: 447862
Actis Hybris Panels 170mm 2 Pack 2.74m2
Retail price

£67.09

per pack
£55.91 ex. vat
£33.55per item
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Actis Hybris Panels 205mm 2 Pack 2.74m2
Product Code: 447791
Actis Hybris Panels 205mm 2 Pack 2.74m2
Retail price

£80.96

per pack
£67.47 ex. vat
£40.48per item
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Actis Hybris Panels 155mm 2 Pack 2.74m2
Product Code: 447706
Actis Hybris Panels 155mm 2 Pack 2.74m2
Retail price

£61.25

per pack
£51.04 ex. vat
£30.63per item
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Actis Hybris Panels 105mm 4 Pack 5.49m2
Product Code: 447900
Actis Hybris Panels 105mm 4 Pack 5.49m2
Retail price

£80.74

per pack
£67.28 ex. vat
£20.18per item
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Actis Hybris Panels 125mm 2 Pack 2.74m2
Product Code: 447707
Actis Hybris Panels 125mm 2 Pack 2.74m2
Retail price

£47.99

per pack
£39.99 ex. vat
£24.00per item
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Actis Hybris Panels 140mm 2 Pack 2.74m2
Product Code: 447785
Actis Hybris Panels 140mm 2 Pack 2.74m2
Retail price

£55.30

per pack
£46.08 ex. vat
£27.65per item
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An A1 Non-Combustible Rock Mineral Wool slab, manufactured using Knauf Insulation's unique ECOSE® Technology and designed for use in multiple applications including internal partitions, timber and metal studs, and in between timber rafters and floor joists.
Depth
50 mm
Length
1200 mm
Thickness
50 mm
Width
600 mm
Material
Rock Mineral Wool
Colour
Brown
Acoustic
Yes
Thermal Conductivity
0.035 W/mK
Coverage
7.2m2
Pack Quantity
10
Certifications Met
Euroclass A1 Reaction to Fire Classification, Eurofins Gold
Type
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Brand Name
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Range Description
Rock Universal Slab

£73.49

per pack (Inc. VAT)
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An A1 Non-Combustible Rock Mineral Wool slab, manufactured using Knauf Insulation's unique ECOSE® Technology and designed for use in multiple applications including internal partitions, timber and metal studs, and in between timber rafters and floor joists.
Range Description
Rock Universal Slab
Brand Name
Knauf Insulation
Length
1200 mm
Thickness
100 mm
Width
600 mm
Material
Rock Mineral Wool
Coverage
3.6m2
Acoustic
Yes
Thermal Conductivity
0.035 W/mK
Pack Quantity
5
Certifications Met
Euroclass A1 Reaction to Fire Classification, Eurofins Gold
Type
Insulation Slabs

£83.22

per pack (Inc. VAT)
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5 (2 reviews)
This insulation board by Kay-Metzeler is manufactured in expanded polystyrene that features high compressive strength. This board is covered with a highly resistant fibre-woven film and this covering overhangs the board by 50mm, enabling the overlaps to be taped to form a continuous, seamless surface. Ideal under screed as an insulation solution. Provides coverage area of 34.56m2.
Length
2400 mm
Thickness
25 mm
Width
1200 mm
Material
Polystyrene
Coverage
34.56m2
Brand Name
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Manufacturer Model No
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£16.58

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Celotex CW4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 40mm to 100mm, it can be considered for use in partial fill cavity wall applications.
Length
1200 mm
Thickness
50 mm
Width
450 mm
Material
PIR
Coverage
0.54 m2
Fire Retardant
N
Acoustic
N
Thermal Conductivity
0.022 W/mK
Certifications Met
BBA Certificate Number 16/5343
Type
Insulation Boards
Range Description
Insulation Board
Brand Name
Celotex
Country Origin
UK
Manufacturer Model No
CW4050
Made To Order
N

£8.17

per sheet (Inc. VAT)
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Knauf Insulation Rocksilk RS45 50mm 7.20m2
Knauf Insulation Rocksilk RS45 50mm 7.20m2
An A1 Non-Combustible Rock Mineral Wool slab, manufactured using Knauf Insulation's unique ECOSE® Technology and designed for use in multiple applications including internal partitions, timber and metal studs, and in between timber rafters and floor joists.
£73.49 per pack (Inc. VAT)
Knauf Insulation Rocksilk RS45 Slab 1200mm x 600mm x 100mm
Knauf Insulation Rocksilk RS45 Slab 1200mm x 600mm x 100mm
An A1 Non-Combustible Rock Mineral Wool slab, manufactured using Knauf Insulation's unique ECOSE® Technology and designed for use in multiple applications including internal partitions, timber and metal studs, and in between timber rafters and floor joists.
£83.22 per pack (Inc. VAT)
25mm x 2400mm x 1200mm Kay-Metzeler Expanded Polystyrene Insulation EPS70
25mm x 2400mm x 1200mm Kay-Metzeler Expanded Polystyrene Insulation EPS70
This insulation board by Kay-Metzeler is manufactured in expanded polystyrene that features high compressive strength. This board is covered with a highly resistant fibre-woven film and this covering overhangs the board by 50mm, enabling the overlaps to be taped to form a continuous, seamless surface. Ideal under screed as an insulation solution. Provides coverage area of 34.56m2.
£16.58 per sheet (Inc. VAT)
50mm x 1200mm x 450mm Celotex PIR Cavity Wall Insulation Board CW4000
50mm x 1200mm x 450mm Celotex PIR Cavity Wall Insulation Board CW4000
Celotex CW4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 40mm to 100mm, it can be considered for use in partial fill cavity wall applications.
£8.17 per sheet (Inc. VAT)