U Values
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Catalog excerpts

U Values - 1

Thomas Armstrong (Concrete Blocks) Ltd Incorporating Stocks Blocks Ltd William Rainford (Holdings) Ltd Barnetts (Buglawton) Ltd U Values Using our range of concrete blocks A series of example wall and floor constructions using our blocks to meet a range of target u-values

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U Values - 2

Serving the construction industry since 1830 This brochure contains over 900 individual u-value calculations Each table shows two alternative methods for achieving for most common masonry wall types using the Thomas the target u-value for each block type used. However, Armstrong group’s range of concrete blocks. Although by no there will be alternative options available with other means exhaustive, this set of data aims to provide solutions to insulation types and for specific u-value calculations, achieving a range of u-values in most scenarios. please contact our Technical Department. The...

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U Values - 3

Partial Fill Cavity Walls Table 1 Brick outer leaf | Standard Mortar | Plasterboard on dabs Page 4 Table 2 Brick outer leaf | Standard Mortar | Wet Plaster Page 5 Table 3 Rendered Block outer leaf | Standard Mortar | Plasterboard on dabs Page 6 Table 4 Rendered Block outer leaf | Standard Mortar | Wet Plaster Page 7 Table 5 Brick outer leaf | Thin Joint Mortar | Plasterboard on dabs Page 8 Table 6 Brick outer leaf | Thin Joint Mortar | Wet Plaster Page 8 Table 7 Rendered Block outer leaf | Thin Joint Mortar | Plasterboard on dabs Page 9 Table 8 Rendered Block outer leaf | Thin Joint Mortar...

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U Values - 4

Paral Fill Cavity Walls Table 01 Brick outer leaf, 50mm clear cavity 100mm block inner leaf using 10mm convenonal mortar Plasterboard dot & dab internal nish Dense Solid Dense Cellular All calculaons are carried out in accordance with the latest methods as described in BS EN ISO 6946. A correcon level of zero has been used which assumes all joints between insulaon bas are sealed up. The gures shown are intended for indicave purposes only . For specic calculaons please contact one of our sales oces. 4 | For further information - visit www.thomasarmstrong.co.uk

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U Values - 5

Paral Fill Cavity Walls Table 02 Brick outer leaf, 50mm clear cavity 100mm block inner leaf using 10mm convenonal mortar Wet Plaster Dense Solid Dense Cellular All calculaons are carried out in accordance with the latest methods as described in BS EN ISO 6946. A correcon level of zero has been used which assumes all joints between insulaon bas are sealed up. The gures shown are intended for indicave purposes only . For specic calculaons please contact one of our sales oces. For further information - visit www.thomasarmstrong.co.uk | 5

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U Values - 6

Paral Fill Cavity Walls Table 03 Rendered 100mm Insulite block outer leaf, 50mm clear cavity 100mm block inner leaf using 10mm convenonal mortar Plasterboard dot & dab internal nish Dense Solid Dense Cellular All calculaons are carried out in accordance with the latest methods as described in BS EN ISO 6946. A correcon level of zero has been used which assumes all joints between insulaon bas are sealed up. The gures shown are intended for indicave purposes only . For specic calculaons please contact one of our sales oces. 6 | For further information - visit www.thomasarmstrong.co.uk

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U Values - 7

Paral Fill Cavity Walls Table 04 Rendered 100mm Insulite block outer leaf, 50mm clear cavity 100mm block inner leaf using 10mm convenonal mortar Wet Plaster Dense Solid Dense Cellular All calculaons are carried out in accordance with the latest methods as described in BS EN ISO 6946. A correcon level of zero has been used which assumes all joints between insulaon bas are sealed up. The gures shown are intended for indicave purposes only . For specic calculaons please contact one of our sales oces. For further information - visit www.thomasarmstrong.co.uk | 7

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U Values - 8

Paral Fill Cavity Walls Table 05 Brick outer leaf, 50mm clear cavity 100mm block inner leaf using 2mm thin joint mortar Plasterboard dot & dab internal nish Table 06 Brick outer leaf, 50mm clear cavity 100mm block inner leaf using 2mm thin joint mortar Wet plaster internal nish All calculaons are carried out in accordance with the latest methods as described in BS EN ISO 6946. A correcon level of zero has been used which assumes all joints between insulaon bas are sealed up. The gures shown are intended for indicave purposes only . For specic calculaons please contact one of our sales oces....

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U Values - 9

Paral Fill Cavity Walls Table 07 Rendered 100mm Insulite block outer leaf, 50mm clear cavity 100mm block inner leaf using 2mm thin joint mortar Plasterboard dot & dab internal nish Table 08 Rendered 100mm Insulite block outer leaf, 50mm clear cavity 100mm block inner leaf using 2mm thin joint mortar Wet plaster internal nish All calculaons are carried out in accordance with the latest methods as described in BS EN ISO 6946. A correcon level of zero has been used which assumes all joints between insulaon...

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U Values - 10

Fully Filled Cavity Walls Table 09 Brick outer leaf 100mm block inner leaf using 10mm convenonal mortar Plasterboard dot & dab or insulated drylining internal nish 100mm Springvale Planum / Plustherm 125mm Springvale Planum / Plustherm 125mm Springvale Planum / Plustherm 100mm Springvale Planum / Plustherm Dense Cellular Dense Solid 125mm Springvale Planum / Plustherm All calculaons are carried out in accordance with the latest methods as described in BS EN ISO 6946. A correcon level of zero has been used which assumes all joints between insulaon...

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U Values - 11

Fully Filled Cavity Walls Table 10 Brick outer leaf 100mm block inner leaf using 10mm convenonal mortar Wet Plaster 100mm Springvale Planum / Plustherm Dense Cellular Dense Solid 125mm Springvale Planum / Plustherm 100mm Springvale Planum / Plustherm 100mm Springvale Planum / Plustherm 100mm Springvale Planum / Plustherm 125mm Springvale Planum / Plustherm 125mm Springvale Planum / Plustherm 150mm Springvale Planum / Plustherm Cavies wider than 150mm are required to achieve u-values of 0.15 W/m2K. Please contact our Technical Department for specic calcula‐ ons. 150mm Springvale Planum /...

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