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URSA 10 Loft Roll Product catalogue Download
URSA Acoustic Roll Product catalogue Download
URSA Cavity Batts Product catalogue Download
URSA Facade Rainscreen Cladding Product catalogue Download
URSA HOMETEC Cladding Roll Product catalogue Download
URSA Party Wall Thermal Bypass Solutions Product catalogue Download
URSA Rafter Level Roof Insulation Product catalogue Download
URSA Timber & Metal Framed Walls Product catalogue Download

Certificates

Documents Description
Cavity Batt 32 BBA 09 4624 Certificate Download
Cavity Batt 35 BBA 09 4624 Certificate Download
ISO 14001 Certificate Certificate Download
ISO 9001 Certificate Certificate Download

Health & Safety Data

Documents Description
URSA TERRA Material Safety Data Sheet Material safety data sheet for all URSA glass wool products Download
Subcontractor Safety Instructions Environmental and Health & Safety requirements for subcontractors on URSA Premises Download

URSA Masonry Cavity Wall Psi-values

Corner (Normal) – SAP Ref: E16 (Default 0.18 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.06 0.90
CB0007
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.06 0.90
CB0010
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.06 0.91
CB0013
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.07 0.91
CB0016
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125mm URSA Cavity Batt 32 AAC Block 0.11-0.19 0.19-0.21 0.05 0.92
CB0008
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125mm URSA Cavity Batt 32 Light Block 0.45 0.22 0.05 0.92
CB0011
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125mm URSA Cavity Batt 32 Medium Block 0.75 0.22 0.06 0.92
CB0014
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125mm URSA Cavity Batt 32 Dense Block 1.30 0.22 0.06 0.92
CB0017
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150mm URSA Cavity Batt 32 AAC Block 0.11-0.19 0.17-0.18 0.05 0.93
CB0009
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150mm URSA Cavity Batt 32 Light Block 0.45 0.19 0.05 0.93
CB0012
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150mm URSA Cavity Batt 32 Medium Block 0.75 0.19 0.06 0.93
CB0015
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150mm URSA Cavity Batt 32 Dense Block 1.30 0.19 0.06 0.93
CB0018
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Corner (Inverted) – SAP Ref: E17 (Default 0.00 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 -0.09 0.97
CB0025
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 -0.11 0.97
CB0028
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 -0.11 0.97
CB0031
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 -0.12 0.97
CB0034
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 -0.08 0.97
CB0026
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 -0.10 0.97
CB0029
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 -0.10 0.97
CB0032
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 -0.10 0.97
CB0035
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 -0.08 0.98
CB0027
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 -0.09 0.98
CB0030
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 -0.09 0.98
CB0033
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 -0.09 0.98
CB0036
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Loft (Gable) (U=0.16 W/m²K) – SAP Ref: E12 (Default 0.48 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.07 0.90
CB0039
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.12 0.87
CB0040
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.15 0.85
CB0041
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.21 0.81
CB0042
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.07 0.90
CB0045
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.11 0.88
CB0046
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.15 0.86
CB0047
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.22 0.83
CB0048
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.07 0.91
CB0051
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.11 0.88
CB0052
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.15 0.86
CB0053
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.22 0.83
CB0054
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Loft (Gable) (U=0.10 W/m²K) – SAP Ref: E12 (Default 0.48 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA CAVITY BATT 32 AAC Block (0.11-0.19) 0.23-0.24 0.07 0.91
CB0057
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100mm URSA CAVITY BATT 32 Light Block (0.45) 0.26 0.10 0.89
CB0058
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100mm URSA CAVITY BATT 32 Medium Block (0.75) 0.27 0.12 0.87
CB0059
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100mm URSA CAVITY BATT 32 Dense Block (1.30) 0.27 0.18 0.85
CB0060
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125mm URSA CAVITY BATT 32 AAC Block (0.11-0.19) 0.19-0.21 0.06 0.92
CB0063
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125mm URSA CAVITY BATT 32 Light Block (0.45) 0.22 0.09 0.90
CB0064
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125mm URSA CAVITY BATT 32 Medium Block (0.75) 0.22 0.13 0.88
CB0065
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125mm URSA CAVITY BATT 32 Dense Block (1.30) 0.22 0.18 0.86
CB0066
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150mm URSA CAVITY BATT 32 AAC Block (0.11-0.19) 0.17-0.18 0.06 0.92
CB0069
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150mm URSA CAVITY BATT 32 Light Block (0.45) 0.19 0.09 0.90
CB0070
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150mm URSA CAVITY BATT 32 Medium Block (0.75) 0.19 0.12 0.90
CB0071
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150mm URSA CAVITY BATT 32 Dense Block (1.30) 0.19 0.18 0.86
CB0072
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Loft (Eaves) (U=0.16 W/m²K) – SAP Ref: E10 (Default 0.12 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.07 0.91
CB0075
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.07 0.91
CB0076
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.08 0.91
CB0077
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.08 0.92
CB0078
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.07 0.91
CB0081
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.07 0.91
CB0082
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.08 0.92
CB0083
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.08 0.92
CB0084
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.07 0.91
CB0087
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.08 0.92
CB0088
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.08 0.92
CB0089
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.08 0.92
CB0090
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Loft (Eaves) (U=0.10 W/m²K) – SAP Ref: E10 (Default 0.12 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.09 0.91
CB0093
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.09 0.91
CB0094
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.09 0.91
CB0095
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.09 0.91
CB0096
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.09 0.91
CB0099
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.09 0.91
CB0100
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.10 0.91
CB0101
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.10 0.92
CB0102
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.09 0.91
CB0105
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.09 0.92
CB0106
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.10 0.92
CB0107
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.10 0.92
CB0108
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Intermediate Timber Floor Within Dwelling – SAP Ref: E6 (Default 0.14 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.00 0.92
CB0109
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.00 0.96
CB0110
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.00 0.96
CB0111
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.00 0.96
CB0112
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.00 0.96
CB0113
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.00 0.97
CB0114
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.00 0.97
CB0115
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.00 0.96
CB0116
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.00 0.97
CB0117
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.00 0.97
CB0118
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.00 0.97
CB0119
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.00 0.97
CB0120
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Intermediate Concrete Floor Within Dwelling – SAP Ref: E6 (Default 0.14 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.01 0.96
CB0121
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.01 0.96
CB0122
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.01 0.95
CB0123
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.01 0.95
CB0124
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.01 0.97
CB0125
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.01 0.96
CB0126
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.01 0.96
CB0127
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.01 0.96
CB0128
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.01 0.97
CB0129
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.00 0.97
CB0130
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.00 0.97
CB0131
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.00 0.97
CB0132
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Jamb – SAP Ref: E4 (Default 0.10 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.03 0.91
CB0133
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.02 0.92
CB0134
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.02 0.92
CB0135
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.02 0.92
CB0136
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.03 0.91
CB0137
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.02 0.91
CB0138
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.02 0.91
CB0139
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.02 0.91
CB0140
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.03 0.91
CB0141
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.03 0.91
CB0142
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.03 0.91
CB0143
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.03 0.91
CB0144
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Sill – SAP Ref: E3 (Default 0.08 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.02 0.90
CB0145
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.02 0.90
CB0146
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.02 0.90
CB0147
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.02 0.90
CB0148
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.03 0.90
CB0149
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.02 0.90
CB0150
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.02 0.90
CB0151
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.02 0.90
CB0152
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.03 0.90
CB0153
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.02 0.90
CB0154
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.02 0.90
CB0155
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.02 0.90
CB0156
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Ground Floor – SAP Ref: E5 (Default 0.32 W/mK) Solid Floor. 125mm PUR insulation
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.08 0.94
CB0157
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.10 0.92
CB0158
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.12 0.91
CB0159
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.17 0.90
CB0160
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.07 0.94
CB0161
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.10 0.93
CB0162
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.13 0.92
CB0163
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.17 0.90
CB0164
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.07 0.94
CB0165
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.10 0.93
CB0166
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.12 0.92
CB0167
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.17 0.90
CB0168
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Ground Floor – SAP Ref: E5 (Default 0.32 W/mK) Suspended/Beam & Block. 125mm PUR insulation
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
100mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.23-0.24 0.06 0.94
CB0169
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100mm URSA Cavity Batt 32 Light Block (0.45) 0.26 0.09 0.92
CB0170
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100mm URSA Cavity Batt 32 Medium Block (0.75) 0.27 0.12 0.91
CB0171
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100mm URSA Cavity Batt 32 Dense Block (1.30) 0.27 0.17 0.89
CB0172
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125mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.19-0.21 0.06 0.94
CB0173
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125mm URSA Cavity Batt 32 Light Block (0.45) 0.22 0.10 0.92
CB0174
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125mm URSA Cavity Batt 32 Medium Block (0.75) 0.22 0.13 0.91
CB0175
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125mm URSA Cavity Batt 32 Dense Block (1.30) 0.22 0.18 0.90
CB0176
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150mm URSA Cavity Batt 32 AAC Block (0.11-0.19) 0.17-0.18 0.06 0.94
CB0177
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150mm URSA Cavity Batt 32 Light Block (0.45) 0.19 0.10 0.93
CB0178
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150mm URSA Cavity Batt 32 Medium Block (0.75) 0.19 0.13 0.92
CB0179
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150mm URSA Cavity Batt 32 Dense Block (1.30) 0.19 0.18 0.90
CB0180
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URSA Timber Frame Wall Psi-values

Corner (Normal) – SAP Ref: E16 (Default 0.18 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.06 0.86
TF0003
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.06 0.87
TF0004
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.06 0.85
TF0007
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.06 0.87
TF0008
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Corner (Inverted) – SAP Ref: E17 (Default 0.00 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 -0.03 0.97
TF0011
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 -0.04 0.97
TF0012
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 -0.04 0.96
TF0015
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 -0.05 0.97
TF0016
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Loft (Gable) (U=0.16 W/m²K) – SAP Ref: E12 (Default 0.48 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.07 0.88
TF0017
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.06 0.89
TF0018
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.07 0.88
TF0019
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.06 0.89
TF0020
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Loft (Gable) (U=0.10 W/m²K) – SAP Ref: E12 (Default 0.48 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.08 0.89
TF0021
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.07 0.90
TF0022
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.08 0.89
TF0023
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.07 0.90
TF0024
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Loft (Eaves) (U=0.16 W/m²K) – SAP Ref: E10 (Default 0.12 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.08 0.89
TF0025
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.08 0.89
TF0026
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.08 0.89
TF0027
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.08 0.89
TF0028
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Loft (Eaves) (U=0.10 W/m²K) – SAP Ref: E10 (Default 0.12 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.10 0.89
TF0029
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.10 0.89
TF0030
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.10 0.89
TF0031
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.10 0.89
TF0032
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Intermediate Timber Floor Within Dwelling – SAP Ref: E6 (Default 0.14 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.09 0.93
TF0033
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.07 0.94
TF0034
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.08 0.93
TF0035
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.06 0.94
TF0036
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Jamb – SAP Ref: E4 (Default 0.10 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.10 0.83
TF0037
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.07 0.86
TF0038
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.10 0.82
TF0039
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.07 0.86
TF0040
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Sill – SAP Ref: E3 (Default 0.08 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.07 0.86
TF0041
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.05 0.88
TF0042
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.07 0.86
TF0043
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.05 0.88
TF0044
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Lintel – SAP Ref: E2 (Default 1.00 W/mK)
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.13 0.83
TF0045
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.11 0.85
TF0046
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.12 0.83
TF0047
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.11 0.85
TF0048
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Ground Floor – SAP Ref: E5 (Default 0.32 W/mK) Solid Floor. 125mm PUR insulation
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.16 0.85
TF0049
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.16 0.85
TF0050
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.16 0.85
TF0051
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.16 0.85
TF0052
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Ground Floor – SAP Ref: E5 (Default 0.32 W/mK) Suspended/Beam & Block. 125mm PUR insulation
Description U-value (W/m²K) Psi-value (W/mK) Temp. factor Download
140mm URSA TIMBER FRAME 32 Standard Breather Membrane 0.26 0.14 0.85
TF0053
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140mm URSA TIMBER FRAME 32 Reflective Breather Membrane 0.23 0.14 0.85
TF0054
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140mm URSA TIMBER FRAME 35 Standard Breather Membrane 0.27 0.14 0.85
TF0055
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140mm URSA TIMBER FRAME 35 Reflective Breather Membrane 0.24 0.14 0.85
TF0056
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