RM Polymers is pleased to announce we are now using the extremely high-insulating Powerdeck F foam insulation boards for warm roofing. With exceptionally low thermal conductivity of 0.026 W/mK, this means getting your warm roof's U-value low enough for warm roofing is no problem at all! Find out about our latest roofing project using the Powerdeck F boards or learn about warm roofing and U-values in general.