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JMS Automatic U-value Calculator

Our u-value calculator within JMS reduces the headache of complying with Building Regulations by calculating the whole item u-value of your joinery item, taking into consideration the timber type, section size, overall size, spacer bar and materials used.

 

JMS provides printed reports showing how the u-value has been calculated and u-value certificates; proof of compliance for you to give to your customers. JMS provides a cost effective alternative to testing each individual window or door.

 

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Joinerysoft’s u-value Certificate gives proof of compliance for you to give to your customers

 

 

All manufacturers in the UK should be providing whole item u-values for external windows and doors, not just centre pane values.

 

Joinerysoft’s thermal transmittance calculations are verified by BSI, The UK National Standards Body, so you can be sure that our software complies with legislation.

 

The u-value is displayed in JMS at the design stage so you can check compliance and advise your customer of necessary changes to improve the u-value.

 

JMS calculates both the model window u-value, based on a window 1230x1480, and also the calculated u-value. This allows you to choose the better u-value, if different, as either are accepted for compliance with building regulations.

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"I can show customers the u-value certificates and CE labels and it definitely wins work."
Tom Renshaw, Groby Joinery

 

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