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Last edited 03 May 2018
Gridboard Underfloor Heating Insulation - Case Study
Project: Retirement Living Apartments
Location: Mirfeld, West Yorkshire
Sector: Underﬂoor Heating
System: Stylite Gridboard UFH Insulation PlusTherm
Size: 38 Apartments / 3,000 m2
Several canal-side buildings in Mirfield, including the gatehouse and malt house,
which were originally built in the 1800s had not been used for years. The buildings and surrounding area were dilapidated and in need of regeneration. Our multi-award winning client received planning permission to demolish the buildings and build new luxury retirement living apartments for the over-55s.
As part of the project their was a requirement to provide modern, energy efficient apartments. With this in mind, and having researched other methods of heating, the client wanted to install underﬂoor heating as it is considered an energy efficient way to heat a home. It would also allow the ﬂoors to be insulated in order to meet current Building Regulations.
 Design solution
The architect specified Stylite Gridboard Underﬂoor Heating Insulation which consisted
of 100 mm-thick PlusTherm Expanded Polystyrene (EPS) insulation with a grid patterned layer of woven polypropylene laminated to the surface. The underﬂoor heating pipes would be fixed to the gridboard with clips and then to complete the system a 65 mm screed would be poured on top to provide the finished ﬂoor surface.
- Excellent thermal performance
- Quick and easy to install
- Vapour control layer included
The PlusTherm insulation provided an excellent thermal conductivity of 0.030W/mK
helping the architect meet the required u-value for the ﬂoor. Meanwhile, the grid membrane, with increments of 50 mm, allowed the installer to quickly and easily position the underﬂoor heating pipes whilst also acting as the vapour control layer.
“We were surprised at how easy the Stylite Gridboard was to install, each board was very
light to carry and easy to cut to shape on-site. The membrane overhang was a handy feature and ensured we got a good seal between boards for when the screed was applied.” - Installation Contractor
Read the full case study here: http://styrene.co.uk/case_studies_gridboard_mirfield.html
 Related articles on Designing Buildings Wiki
- Beam and Infill Suspended Floors.
- Beam and Polystyrene Block Suspended Flooring - Case Study.
- Insulation for ground floors.
- Profiled and cut to fall roof insulation - case study
--Styrene Packaging and Insulation Ltd 14:39, 09 Apr 2018 (BST)
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