PSI Value Calculator

PSI Value Calculator

What does a psi value calculator do?

A psi value calculator accurately determines the psi value for your lintel and window head detail, tailored to your specific wall build-up.

All calculations adhere to the conventions outlined in BR 497.

The calculated psi value can be directly entered into your SAP calculation, allowing you to design your building to comply with Building Regulations in the most economical way.

If our psi calculator does not offer the exact wall construction options you need, please send your details to our team. We're happy to assist with your query, email catnic.technical@tatasteeleurope.com

If you want to learn more about psi values, we have this handy guide – Understanding psi values – the thermal performance of lintels

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