Keystone Lintels

Why are more house builders choosing Hi-therm+ Lintels to reduce thermal bridging?

  • 9 Dec 2019

This article from Keystone explores why some of the UK’s major house builders explain have chosen Hi-therm+ as a cost effective way to optimise their SAP calculations.

Keystone’s award-winning lintels offer an innovative solution to improving SAP calculations, meeting Part L regulations and reducing thermal bridging by up to 80%.

A low-cost route to improving SAP ratings

The Hi-therm+ Lintel provides a low-cost solution for reduced carbon emissions and is up to five times more thermally efficient than a standard steel lintel.

All house builders now face the challenge of enhanced energy efficiency within SAP, which forces the designer to address thermal bridging in all its forms.

While there are a number of design options available to boost efficiency, none offer the impact and cost efficiency within SAP of the Hi-therm+ Lintel.

Depending on the application, house builders have the potential to save up to £200 per house by using Hi-therm+ to optimise their SAP calculation.

Keystone has won multiple industry awards for this remarkable BBA certified innovation however the most compelling reason for investigating Hi therm+ comes in the form of customer testimonials.

Keystone Lintels

Here’s what these house builders have to say:

Jonathan Moss, Group Technical Manager at Redrow Homes: “By including low psi value Hi-therm+ Lintels into our group specification, the improved performance within SAP calculations allowed us to achieve overall significant cost savings by reviewing the ground floor insulation specification whilst still meeting the requirements of Part L Regulations.

“The Hi-therm+ Lintel has proven to be a cost effective solution to tackle concentrated areas of heat loss and contribute to the energy performance of our group house type range.”

James Pratt, Senior Buyer at Barwood Homes: “Every Barwood home is constructed and insulated to standards that exceed current regulation requirements thus giving significant energy savings and reduced running costs for home owners.

“After trialling Hi-therm+ Lintels on several sites we decided to specify them on all house type designs due to their improved performance and simple installation.”

Andrew Dicker, Technical Director at Legal & General Homes: “Hi-therm+ Lintels significantly reduced the thermal bridging above window and door openings in SAP which helped us achieve compliance with Part L Building Regulations through a fabric first approach.

“As a result Legal & General Homes include Hi-therm+ Lintels in all of our house type designs as part of a cost effective solution to building energy efficient houses.”

Chris Burton, Group Commercial Director at Bloor Homes: “We recently decided to specify Hi-therm+ Lintels across the board on our complete house type range alongside a combination of other fabric improvements.

“The Hi-therm+ Lintel has proven to be a low cost solution for reducing carbon emissions and helped us to achieve significant reductions in overall build costs whilst ensuring the houses we build are highly efficient at retaining heat and use less energy.”

Visit the Keystone Lintels website

Download the Keystone Lintels Product Guide

Download the Hi-therm+ brochure

Download the Keyslip Brick Feature Lintels brochure

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