Full Fill Built-in Insulation System Continuous wall insulation system that delivers ultimate thermal performance with the added assurance of protection from wind driven rain.

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Xtratherm offer an extensive range of technically enhanced rigid insulation products for commercial and industrial projects

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Tapered Roofing System
The XtraFall system provides a high performance precision solution to thermal insulation and water drainage on at roofs.

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The Xtratherm range of high performance insulation boards provides the ideal technically advanced solution for flat roof projects.

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Vacuum Insulated
Panels (VIP)

Insulation System
for Flat Roofs & Balconies

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PLATINUM SERVICE for Developers

PLATINUM SERVICE for Developers

Developers and their design and certification team can rely on the expertise and professional support of the whole Xtratherm Team - it is not just about buying insulation products.

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Full Fill Built-in Insulation System

Continuous wall insulation system that delivers ultimate thermal performance
with the added assurance of protection from wind driven rain.

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High Performance rigid extruded polystryrene

XPS

Insulation System for Flat Roofs & Balconies

XtraVIP Insulation System for Flat Roofs & Balconies is a rigid Vacuum Insulation Panel (VIP), consisting of a compressed, fumed, silica sand, microporous core which is evacuated of air and moisture before being
encased and sealed in a special thin, gas-tight, hybrid aluminium foil envelope. Encapsulated and protected within a robust two component elastomeric polyurea waterproof coating.

XtraVIP

Xtratherm offers a cost effective solution for builders and specifiers for the closing of cavities around window and door openings, preventing cold bridging, damp penetration, air infiltration and condensation.

CavityTherm Accessories

Accredited Details Library

The dropdown below has accredited details for a variety of Xtratherm products.

ACD Details

  • ACD Ref: MCI-GF-01

    Table K1: E5

    Wall floor junction with insulation under screed

    Y 0.02
    f 0.85
    Wall floor junction with insulation under screed MCI-GF-01 E5 0.02 0.85
  • ACD Ref: MCI-GF-02

    Table K1: E5

    Wall floor junction with insulation under slab

    Y 0.04
    f 0.87
    Wall floor junction with insulation under slab MCI-GF-02 E5 0.04 0.87
  • Table K1: E5

    Wall floor junction with beam and block floor

    Y 0.05
    f 0.86
    Wall floor junction with beam and block floor E5 0.05 0.86
  • ACD Ref: MCI-IF-01

    Table K1: E6

    Intermediate concrete floor within dwelling

    Y 0.01
    f 0.98
    Intermediate concrete floor within dwelling MCI-IF-01 E6 0.01 0.98
  • ACD Ref: MCI-IF-02

    Table K1: E6

    Intermediate timber floor within dwelling

    Y 0.00
    f 0.98
    Intermediate timber floor within dwelling MCI-IF-02 E6 0.00 0.98
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.98
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.98
  • ACD Ref: MCI-GF-01

    Table K1: E5

    Wall floor junction with insulation under screed

    Y 0.06
    f 0.82
    Wall floor junction with insulation under screed MCI-GF-01 E5 0.06 0.82
  • ACD Ref: MCI-GF-02

    Table K1: E5

    Wall floor junction with insulation under slab

    Y 0.08
    f 0.84
    Wall floor junction with insulation under slab MCI-GF-02 E5 0.08 0.84
  • Table K1: E5

    Wall floor junction with beam and block floor

    Y 0.13
    f 0.82
    Wall floor junction with beam and block floor E5 0.13 0.82
  • ACD Ref: MCI-IF-01

    Table K1: E6

    Intermediate concrete floor within dwelling

    Y 0.00
    f 0.98
    Intermediate concrete floor within dwelling MCI-IF-01 E6 0.00 0.98
  • ACD Ref: MCI-IF-02

    Table K1: E6

    Intermediate timber floor within dwelling

    Y 0.00
    f 0.98
    Intermediate timber floor within dwelling MCI-IF-02 E6 0.00 0.98
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.98
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.98
  • ACD Ref: MCI-IF-02

    Table K1: E7

    Intermediate timber floor between dwellings

    Y 0.05
    f 0.98
    Intermediate timber floor between dwellings MCI-IF-02 E7 0.05 0.98
  • ACD Ref: MCI-GF-01

    Table K1: E5

    Wall floor junction with insulation under screed

    Y 0.16
    f 0.80
    Wall floor junction with insulation under screed MCI-GF-01 E5 0.16 0.80
  • ACD Ref: MCI-IF-01

    Table K1: E6

    Intermediate concrete floor within dwelling

    Y 0.00
    f 0.97
    Intermediate concrete floor within dwelling MCI-IF-01 E6 0.00 0.97
  • ACD Ref: MCI-IF-02

    Table K1: E6

    Intermediate timber floor within dwelling

    Y 0.00
    f 0.97
    Intermediate timber floor within dwelling MCI-IF-02 E6 0.00 0.97
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.97
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.97
  • ACD Ref: MCI-IF-02

    Table K1: E7

    Intermediate timber floor between dwellings

    Y 0.05
    f 0.97
    Intermediate timber floor between dwellings MCI-IF-02 E7 0.05 0.97
  • ACD Ref: MCI-GF-01

    Table K1: E5

    Wall floor junction with insulation under screed

    Y 0.16
    f 0.80
    Wall floor junction with insulation under screed MCI-GF-01 E5 0.16 0.80
  • ACD Ref: MCI-IF-01

    Table K1: E6

    Intermediate concrete floor within dwelling

    Y 0.00
    f 0.97
    Intermediate concrete floor within dwelling MCI-IF-01 E6 0.00 0.97
  • ACD Ref: MCI-IF-02

    Table K1: E6

    Intermediate timber floor within dwelling

    Y 0.00
    f 0.97
    Intermediate timber floor within dwelling MCI-IF-02 E6 0.00 0.97
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.97
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.97
  • ACD Ref: MCI-IF-02

    Table K1: E7

    Intermediate timber floor between dwellings

    Y 0.05
    f 0.97
    Intermediate timber floor between dwellings MCI-IF-02 E7 0.05 0.97
  • ACD Ref: MCI-GF-01

    Table K1: E5

    Wall floor junction with insulation under screed

    Y 0.02
    f 0.85
    Wall floor junction with insulation under screed MCI-GF-01 E5 0.02 0.85
  • ACD Ref: MCI-GF-02

    Table K1: E5

    Wall floor junction with insulation under slab

    Y 0.04
    f 0.87
    Wall floor junction with insulation under slab MCI-GF-02 E5 0.04 0.87
  • Table K1: E5

    Wall floor junction with beam and block floor

    Y 0.05
    f 0.86
    Wall floor junction with beam and block floor E5 0.05 0.86
  • ACD Ref: MCI-IF-01

    Table K1: E6

    Intermediate concrete floor within dwelling

    Y 0.01
    f 0.98
    Intermediate concrete floor within dwelling MCI-IF-01 E6 0.01 0.98
  • ACD Ref: MCI-IF-02

    Table K1: E6

    Intermediate timber floor within dwelling

    Y 0.00
    f 0.98
    Intermediate timber floor within dwelling MCI-IF-02 E6 0.00 0.98
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.98
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.98
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.98
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.98
  • ACD Ref: MCI-IF-02

    Table K1: E7

    Intermediate timber floor between dwellings

    Y 0.05
    f 0.98
    Intermediate timber floor between dwellings MCI-IF-02 E7 0.05 0.98
  • ACD Ref: MCI-GF-01

    Table K1: E5

    Wall floor junction with insulation under screed

    Y 0.06
    f 0.83
    Wall floor junction with insulation under screed MCI-GF-01 E5 0.06 0.83
  • ACD Ref: MCI-GF-02

    Table K1: E5

    Wall floor junction with insulation under slab

    Y 0.08
    f 0.85
    Wall floor junction with insulation under slab MCI-GF-02 E5 0.08 0.85
  • Table K1: E5

    Wall floor junction with beam and block floor

    Y 0.10
    f 0.83
    Wall floor junction with beam and block floor E5 0.10 0.83
  • ACD Ref: MCI-IF-01

    Table K1: E6

    Intermediate concrete floor within dwelling

    Y 0.01
    f 0.97
    Intermediate concrete floor within dwelling MCI-IF-01 E6 0.01 0.97
  • ACD Ref: MCI-IF-02

    Table K1: E6

    Intermediate timber floor within dwelling

    Y 0.00
    f 0.97
    Intermediate timber floor within dwelling MCI-IF-02 E6 0.00 0.97
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.97
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.97
  • ACD Ref: MCI-IF-02

    Table K1: E7

    Intermediate timber floor between dwellings

    Y 0.05
    f 0.97
    Intermediate timber floor between dwellings MCI-IF-02 E7 0.05 0.97
  • ACD Ref: MCI-GF-01

    Table K1: E5

    Wall floor junction with insulation under screed

    Y 0.15
    f 0.78
    Wall floor junction with insulation under screed MCI-GF-01 E5 0.15 0.78
  • ACD Ref: MCI-IF-01

    Table K1: E6

    Intermediate concrete floor within dwelling

    Y 0.00
    f 0.98
    Intermediate concrete floor within dwelling MCI-IF-01 E6 0.00 0.98
  • ACD Ref: MCI-IF-02

    Table K1: E6

    Intermediate timber floor within dwelling

    Y 0.00
    f 0.97
    Intermediate timber floor within dwelling MCI-IF-02 E6 0.00 0.97
  • ACD Ref: MCI-IF-01

    Table K1: E7

    Intermediate concrete floor between dwellings

    Y 0.05
    f 0.97
    Intermediate concrete floor between dwellings MCI-IF-01 E7 0.05 0.97
  • ACD Ref: MCI-IF-02

    Table K1: E7

    Intermediate timber floor between dwellings

    Y 0.06
    f 0.97
    Intermediate timber floor between dwellings MCI-IF-02 E7 0.06 0.97
  • Table K1: P1

    Party Wall floor junction with insulation under screed

    Y 0.07
    f 0.94
    Party Wall floor junction with insulation under screed P1 0.07 0.94
  • Table K1: P4

    Party Wall Ceiling junction

    Y 0.10
    f 0.90
    Party Wall Ceiling junction P4 0.10 0.90
  • Table K1: P1

    Party Wall floor junction with insulation under screed

    Y 0.07
    f 0.94
    Party Wall floor junction with insulation under screed P1 0.07 0.94
  • Table K1: P4

    Party Wall Ceiling junction

    Y 0.10
    f 0.90
    Party Wall Ceiling junction P4 0.10 0.90
  • ACD Ref: MCI-RE-01

    Table K1: E10

    Wall ceiling junction Eaves (Insulation at ceiling level)

    Y 0.05
    f 0.93
    Wall ceiling junction Eaves (Insulation at ceiling level) MCI-RE-01 E10 0.05 0.93
  • ACD Ref: MCI-RG-01

    Table K1: E12

    Wall ceiling junction gable (Insulation at ceiling level)

    Y 0.05
    f 0.91
    Wall ceiling junction gable (Insulation at ceiling level) MCI-RG-01 E12 0.05 0.91
  • ACD Ref: MCI-RF-01

    Table K1: E14

    Flat roof and wall junction

    Y 0.04
    f 0.95
    Flat roof and wall junction MCI-RF-01 E14 0.04 0.95
  • ACD Ref: MCI-RF-02

    Table K1: E15

    Flat roof with parapet and wall junction

    Y 0.08
    f 0.95
    Flat roof with parapet and wall junction MCI-RF-02 E15 0.08 0.95
  • ACD Ref: MCI-RE-01

    Table K1: E10

    Wall ceiling junction Eaves (Insulation at ceiling level)

    Y 0.05
    f 0.94
    Wall ceiling junction Eaves (Insulation at ceiling level) MCI-RE-01 E10 0.05 0.94
  • ACD Ref: MCI-RG-01

    Table K1: E12

    Wall ceiling junction gable (Insulation at ceiling level)

    Y 0.10
    f 0.88
    Wall ceiling junction gable (Insulation at ceiling level) MCI-RG-01 E12 0.10 0.88
  • ACD Ref: MCI-RF-01

    Table K1: E14

    Flat roof and wall junction

    Y 0.04
    f 0.96
    Flat roof and wall junction MCI-RF-01 E14 0.04 0.96
  • ACD Ref: MCI-RF-02

    Table K1: E15

    Flat roof with parapet and wall junction

    Y 0.13
    f 0.93
    Flat roof with parapet and wall junction MCI-RF-02 E15 0.13 0.93
  • ACD Ref: MCI-RE-01

    Table K1: E10

    Wall ceiling junction Eaves (Insulation at ceiling level)

    Y 0.05
    f 0.94
    Wall ceiling junction Eaves (Insulation at ceiling level) MCI-RE-01 E10 0.05 0.94
  • ACD Ref: MCI-RG-01

    Table K1: E12

    Wall ceiling junction gable (Insulation at ceiling level)

    Y 0.22
    f 0.83
    Wall ceiling junction gable (Insulation at ceiling level) MCI-RG-01 E12 0.22 0.83
  • ACD Ref: MCI-RF-01

    Table K1: E14

    Flat roof and wall junction

    Y 0.04
    f 0.96
    Flat roof and wall junction MCI-RF-01 E14 0.04 0.96
  • ACD Ref: MCI-RF-02

    Table K1: E15

    Flat roof with parapet and wall junction

    Y 0.22
    f 0.89
    Flat roof with parapet and wall junction MCI-RF-02 E15 0.22 0.89
  • ACD Ref: MCI-RE-01

    Table K1: E10

    Wall ceiling junction Eaves (Insulation at ceiling level)

    Y 0.05
    f 0.93
    Wall ceiling junction Eaves (Insulation at ceiling level) MCI-RE-01 E10 0.05 0.93
  • ACD Ref: MCI-RG-01

    Table K1: E12

    Wall ceiling junction gable (Insulation at ceiling level)

    Y 0.05
    f 0.91
    Wall ceiling junction gable (Insulation at ceiling level) MCI-RG-01 E12 0.05 0.91
  • ACD Ref: MCI-RF-01

    Table K1: E14

    Flat roof and wall junction

    Y 0.04
    f 0.95
    Flat roof and wall junction MCI-RF-01 E14 0.04 0.95
  • ACD Ref: MCI-RF-02

    Table K1: E15

    Flat roof with parapet and wall junction

    Y 0.08
    f 0.95
    Flat roof with parapet and wall junction MCI-RF-02 E15 0.08 0.95
  • ACD Ref: MCI-RE-01

    Table K1: E10

    Wall ceiling junction Eaves (Insulation at ceiling level)

    Y 0.05
    f 0.94
    Wall ceiling junction Eaves (Insulation at ceiling level) MCI-RE-01 E10 0.05 0.94
  • ACD Ref: MCI-RG-01

    Table K1: E12

    Wall ceiling junction gable (Insulation at ceiling level)

    Y 0.22
    f 0.83
    Wall ceiling junction gable (Insulation at ceiling level) MCI-RG-01 E12 0.22 0.83
  • ACD Ref: MCI-RF-01

    Table K1: E14

    Flat roof and wall junction

    Y 0.04
    f 0.96
    Flat roof and wall junction MCI-RF-01 E14 0.04 0.96
  • ACD Ref: MCI-RF-02

    Table K1: E15

    Flat roof with parapet and wall junction

    Y 0.22
    f 0.89
    Flat roof with parapet and wall junction MCI-RF-02 E15 0.22 0.89
  • ACD Ref: MCI-RE-01

    Table K1: E10

    Wall ceiling junction Eaves (Insulation at ceiling level)

    Y 0.04
    f 0.94
    Wall ceiling junction Eaves (Insulation at ceiling level) MCI-RE-01 E10 0.04 0.94
  • ACD Ref: MCI-RG-01

    Table K1: E12

    Wall ceiling junction gable (Insulation at ceiling level)

    Y 0.10
    f 0.87
    Wall ceiling junction gable (Insulation at ceiling level) MCI-RG-01 E12 0.10 0.87
  • ACD Ref: MCI-RF-01

    Table K1: E14

    Flat roof and wall junction

    Y 0.04
    f 0.95
    Flat roof and wall junction MCI-RF-01 E14 0.04 0.95
  • ACD Ref: MCI-RF-02

    Table K1: E15

    Flat roof with parapet and wall junction

    Y 0.12
    f 0.93
    Flat roof with parapet and wall junction MCI-RF-02 E15 0.12 0.93
  • ACD Ref: MCI-RE-01

    Table K1: E10

    Wall ceiling junction Eaves (Insulation at ceiling level)

    Y 0.05
    f 0.94
    Wall ceiling junction Eaves (Insulation at ceiling level) MCI-RE-01 E10 0.05 0.94
  • ACD Ref: MCI-RG-01

    Table K1: E12

    Wall ceiling junction gable (Insulation at ceiling level)

    Y 0.22
    f 0.83
    Wall ceiling junction gable (Insulation at ceiling level) MCI-RG-01 E12 0.22 0.83
  • ACD Ref: MCI-RF-01

    Table K1: E14

    Flat roof and wall junction

    Y 0.04
    f 0.95
    Flat roof and wall junction MCI-RF-01 E14 0.04 0.95
  • ACD Ref: MCI-RF-02

    Table K1: E15

    Flat roof with parapet and wall junction

    Y 0.23
    f 0.89
    Flat roof with parapet and wall junction MCI-RF-02 E15 0.23 0.89
  • ACD Ref: MCI-WD-04

    Table K1: E3

    Sill with Proprietary cavity closer

    Y 0.04
    f 0.84
    Sill with Proprietary cavity closer MCI-WD-04 E3 0.04 0.84
  • ACD Ref: MCI-WD-04

    Table K1: E3

    Concrete Sill with Proprietary cavity closer

    Y 0.03
    f 0.95
    Concrete Sill with Proprietary cavity closer MCI-WD-04 E3 0.03 0.95
  • ACD Ref: MCI-WD-04

    Table K1: E3

    Sill with Proprietary cavity closer (Checked)

    Y 0.03
    f 0.88
    Sill with Proprietary cavity closer (Checked) MCI-WD-04 E3 0.03 0.88
  • ACD Ref: MCI-WD-02

    Table K1: E2

    Sperated Lintel with Proprietary cavity closer

    Y 0.03
    f 0.93
    Sperated Lintel with Proprietary cavity closer MCI-WD-02 E2 0.03 0.93
  • ACD Ref: MCI-WD-03

    Table K1: E2

    Steel Insulated Lintel

    Y 0.06
    f 0.94
    Steel Insulated Lintel MCI-WD-03 E2 0.06 0.94
  • ACD Ref: MCI-WD-02

    Table K1: E2

    Sperated Lintel with Proprietary cavity closer (Checked)

    Y 0.01
    f 0.97
    Sperated Lintel with Proprietary cavity closer (Checked) MCI-WD-02 E2 0.01 0.97
  • ACD Ref: MCI-WD-03

    Table K1: E2

    Steel Insulated Lintel (Checked)

    Y 0.05
    f 0.96
    Steel Insulated Lintel (Checked) MCI-WD-03 E2 0.05 0.96
  • ACD Ref: MCI-WD-05

    Table K1: E4

    Jamb with Proprietary cavity closer

    Y 0.02
    f 0.92
    Jamb with Proprietary cavity closer MCI-WD-05 E4 0.02 0.92
  • ACD Ref: MCI-WD-06

    Table K1: E4

    Jamb with Proprietary cavity closer (Checked)

    Y 0.01
    f 0.96
    Jamb with Proprietary cavity closer (Checked) MCI-WD-06 E4 0.01 0.96
  • Table K1: E16

    External corner

    Y 0.04
    f 0.92
    External corner E16 0.04 0.92
  • Table K1: E17

    Internal corner (Inverted)

    Y -0.06
    f 0.98
    Internal corner (Inverted) E17 -0.06 0.98
  • ACD Ref: MCI-IW-01

    Table K1: E18

    Party wall

    Y 0.03
    f 0.97
    Party wall MCI-IW-01 E18 0.03 0.97
  • ACD Ref: MCI-WD-04

    Table K1: E3

    Sill with Proprietary cavity closer

    Y 0.04
    f 0.83
    Sill with Proprietary cavity closer MCI-WD-04 E3 0.04 0.83
  • ACD Ref: MCI-WD-04

    Table K1: E3

    Concrete Sill with Proprietary cavity closer and PIR Strip

    Y 0.03
    f 0.93
    Concrete Sill with Proprietary cavity closer and PIR Strip MCI-WD-04 E3 0.03 0.93
  • ACD Ref: MCI-WD-04

    Table K1: E3

    Sill with Proprietary cavity closer (Checked)

    Y 0.03
    f 0.88
    Sill with Proprietary cavity closer (Checked) MCI-WD-04 E3 0.03 0.88
  • ACD Ref: MCI-WD-02

    Table K1: E2

    Sperated Lintel with Proprietary cavity closer

    Y 0.03
    f 0.92
    Sperated Lintel with Proprietary cavity closer MCI-WD-02 E2 0.03 0.92
  • ACD Ref: MCI-WD-03

    Table K1: E2

    Steel Insulated Lintel

    Y 0.06
    f 0.94
    Steel Insulated Lintel MCI-WD-03 E2 0.06 0.94
  • ACD Ref: MCI-WD-02

    Table K1: E2

    Sperated Lintel with Proprietary cavity closer (Checked)

    Y 0.01
    f 0.93
    Sperated Lintel with Proprietary cavity closer (Checked) MCI-WD-02 E2 0.01 0.93
  • ACD Ref: MCI-WD-03

    Table K1: E2

    Steel Insulated Lintel (Checked)

    Y 0.05
    f 0.97
    Steel Insulated Lintel (Checked) MCI-WD-03 E2 0.05 0.97
  • ACD Ref: MCI-WD-05

    Table K1: E4

    Jamb with Proprietary cavity closer

    Y 0.02
    f 0.92
    Jamb with Proprietary cavity closer MCI-WD-05 E4 0.02 0.92

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