Thermal Performance

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Based on the fabric first approach, an effective thermal insulation strategy is one of the most successful routes to realisation of net-zero targets.

The thermal performance of a building is often defined as the total energy expenditure (per unit of the indoor floor area) needed to heat and/or cool the interior of a building to a minimum level of “thermal comfort”.

PIR insulation is one of the most thermally efficient insulation materials available, needing only minimal thickness to achieve maximum energy efficiency in a building envelope.

There are three values used when calculating thermal performance.  These are lambda valuesR-values and U-values.

The very low thermal conductivity of rigid PIR and PUR insulation products is one of its most important properties making it the most effective insulation solution in many applications.

The benefits of superior thermal insulation performance are wide-ranging and extremely valuable and important for a project. Improved energy efficiency can have positive effects on the environment in terms of reduced greenhouse gas emissions and reduced energy usage.

In order to meet more stringent energy efficiency standards and regulations, PIR and PUR insulation can provide the optimum performance at a reduced thickness compared to other insulants, due to its high R-value.