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Independent test results

BRE full test report – Testing of light pipes. Report number 280962

Recently published, this independent report from the respected BRE (Building Research Establishment) gives customers an independent and objective view of the performance of the UK’s three leading rigid light tunnel systems. In this test, the Solarspot D-38 was tested against the SunPipe 450 from Monodraught and Solatube 290 DS.

The report not only shows the results of the test but details the product specifications, testing methodology and calculation techniques.

The tests were carried out at the BRE’s headquarters in Hertfordshire under natural sky conditions to give a true reflection of UK weather and light level conditions. The findings graphically illustrate the efficiency, or otherwise, of all three systems and relates the results to the amount of actual light delivered.

Download PDF Solarspot BRE test report

BRE Report Summary – Testing of light pipes. Home owner edition

This download is a single page précis of the full report available above. It lists the key points and illustrates the report findings in simple to read terms and graphics.

Download PDF Solarspot BRE test report summary - homeowners

BRE Report Summary – Testing of light pipes. Commercial edition

This single page download highlights the test results and product benefits for designers and contractors in a simple, quick-to-comprehend document.

Download PDF Solarspot BRE test report summary - commercial