Sarnafil roof membrane perfect solution for dream house project

Sarnafil flat roof and rooflight installed on self build project










After four years spent living in New Zealand, ex RAF pilot Jon and GP Gill Flewers bought an unseen plot of land in the Malvern Hills and built themselves a three-storey upside down house designed to make the most of the wonderful scenery.

This was a very ambitious project featured in an episode of Channel  4’s, Grand Designs (Season 18, Episode 1) which chronicled the problems and challenges the couple were up against in building a house on such a steep slope.

Roof Assured by Sarnafil installer, Cheltenham & Gloucester Cladding Ltd. ( based in Cheltenham, installed the Sarnafil roofing system on this hugely impressive property.  With curved walls and clad in timber the attention to detail throughout the property extended to the flat roof areas with the C& G team delivering a beautifully finished roof to the magnificent building.

The roof construction consisted 140m2 of Sarnafil lead grey single ply roofing membrane, mechanically fixed over a 18mm timber deck, a Sarnavap vapour control layer and Sarnatherm S 150mm thick  insulation to create a warm roof.

New Zealand couple specify high performance Sarnafil roof installation for self build project










The high performance Sarnafil roofing system is fast becoming a favourite of self builders looking for a high performance and aesthetically pleasing roofing solution for their dream house project.

The Flewers were delighted with their new roof and were keen to compliment the C&G team on their commitment to the project.  Jon Flowers, said:  “The team of Martin, Mike and Harrison are a real credit to C&G Cladding.  They were accommodating and always professional; even when faced with some challenges at the beginning of the project.  The level of craftsmanship is absolutely first class and I am very pleased to have C&G Cladding involved with our project.”

Grand Designs host Kevin McCloud described the finished house as one that “commands the landscape”.  He said: “Emerging from behind an old oak tree, what looks like a wooden cliff seems to have pushed its way out of the hill”.

Dave Anderson and Martyn Alder, C&G Cladding, said:  “We are delighted and proud to have been involved with this impressive and challenging project.  It was lovely working with Jon and Gill Flewers.    This isn’t the first time the Sarnafil roofing solution has been used on a Grand Designs project and I am sure it won’t be the last. Our congratulations go to Jon and Gill for building such a wonderful home as Old Hollow.”

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