PHPI follows a Grant Uflex underfloor heating system installation in a barn conversion in North Yorkshire.

Earlier this year, the project of converting a barn into a three-bedroom home got underway on a farm located in the surrounds of Thirsk in North Yorkshire. The property is 200 square metres in size and incorporates a large kitchen and office space, alongside the other living areas, bedrooms and bathrooms. The installation was carried out by Oliver Carter, of Oliver Carter Plumbing & Heating, based in Bedale.

The heat source is a gas boiler and Grant’s Uflex wet underfloor heating system was chosen as the most appropriate choice of heat emitter to effectively distribute heat evenly throughout the property.

Ideally suited for these types of projects, the Uflex underfloor heating system is embedded within the floor construction. Utilising a self-adhesive edging strip and floor membrane, the 16mm Uflex pipe is positioned and stapled into place before a flow screed is laid and left to dry for up to 30 days.

Not only are all of the pipework, manifolds and components supplied by Grant UK, but the company’s Design and Specification Team were also on hand to assist with the product specification and full system design – something that Oliver Carter found of use with this installation.

This was my first time installing Grant’s Uflex underfloor system and it was good to work with,” says Oliver. “The layout of the property, with its U shape, made the job slightly more difficult for the pipe runs and positioning of the manifolds, but the hard work was worth it.

“The manifolds look high quality and well made, and I am very familiar with the Wilo pumps fitted with them too. Even though the Uflex pipe is plastic, it is easy to work with and does not spring back. The pipe is easy to bend, very flexible and when fitted, looks very smart. In particular, I like the large rolls that the pipe is available in upon supply. Having 640m on one reel helps you significantly reduce wastage. In addition, the pipe decoilers are worth their weight in gold and we used two of these for this installation.”

Throughout the installation process, support from Grant UK was available from the early planning and system specification and pricing, through to onsite support with local Area Sales Manager, Lee Schofield, visiting the installation while Oliver was laying the screed.

We already have another couple of underfloor jobs in the next few months which will be simpler and smaller in size and for both, we will be using the Grant Uflex system.”


Uflex training
Intended for domestic heating installers of boilers or air source heat pumps, Grant offers a one day training course for those looking to know more about the company’s range of Uflex underfloor heating systems.

The course includes the basic principles of UFH, including system design considerations and covers installation, filling, pressure testing and commissioning processes. Also included are full details of the two Grant UFH control systems, the Base PRO and Wave PLUS.


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