I write to express our appreciation of the excellent and professional services we received from Permaseal earlier this year. From your initial visit and practical advice that ensured we had the correct seal – and no more than needed – to the fast, effective and good humoured way in which your application team worked with our team to ensure a good application we felt we were in good hands. It is now several months since the installation and not only did the late cold spell test the thermal improvement of the spray foam – but also the heavy rains showed that the old and rusty gutter we’d tried for many years to seal with mastics and sealants has at last been leak proofed. We were able to easily pressure paint the spray foam itself with one coat of emulsion and the overall result is a dry, bright and warm modern propeller refurbish workshop - revamped from a 1970s small tank parking area! Thank you, and with best regards, Martin.