The award-winning Hi-therm lintel has recently been upgraded, offering builders greater practicality and opening up its benefits to even more projects.
Hi-therm has significantly improved the energy efficiency of new homes since its release but has been updated in response to requests from house builders to further its application.
The Keystone Group‘s National Technical & Specification Manager Richard Kinloch explains: “Hi-therm+ will now be available to suit both wide outer leaf and can’t brick applications rather than just standard leaf. In addition, longer lintel lengths are now available to accommodate larger openings.”
The lintel is a patented innovation based on introducing a polymer element into a steel lintel to create a powerful thermal break to reduce thermal bridging.
The new Hi-therm+ lintel features a structural polymer thermal break in the cavity linking an outer and inner steel leaf. Consequently, Psi values are significantly improved with figures of between 0.03-0.06 W/m.k to be expected depending on the specific wall make up.
Richard explained the benefits of the new design: “Hi-therm+ takes practicality to a higher level again, so it will be even easier to handle on site than before. This is an increasingly important benefit and addresses the challenge of maintaining good detailing when skill levels are under pressure and introducing specialist techniques can be problematic.”
Online tools such as the Hi-therm Psi value calculator, which issues certified performance for any given wall type, will assist energy assessors. In addition, Hi-therm+ is a highly tested and certified product, providing reassurance that IG is the ideal lintel solution.
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