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Description Celotex PL4000 range offers a variety of sizes of a high-performance thermal laminate insulation board range where the PIR insulation is bonded to 12.5mm tapered edge plasterboard. Perfect if you’re insulating a garage or a room where space is minimal. The polyisocyanurate rigid foam core has a thermal conductivity value of 0.022 W/m.K which gives high performance levels in various situations. Achieves a BRE Green Guide A+. This thermal laminate board has a thickness of 27.5mm in total with 15mm of PIR insulation bonded to a 12.5mm tapered edge plasterboard but it is also available in the below sizes: PL4015 - 15mm / 27.5mm PL4025 - 25mm / 37.5mm PL4040 - 40mm / 52.5mm PL4045 - 45mm / 57.5mm PL4050 - 50mm / 62.5mm PL4055 - 55mm / 67.5mm PL4060 - 60mm / 72.5mm PL4065 – 65mm / 77.5mm Features & Benefits Offers the ability to install both the insulation & plasterboard in one operation, therefore reducing installation times Suitable for both direct bonding (dot and dab’) & mechanically fixed installation techniques Offers the installer maximum flexibility & installation speed due to the tapered edge plasterboard Provides reliable long-term energy savings for buildings Can upgrade to current building regulation standards Ideal for both new build and refurbishment projects Can be used in pitched roof, flat roof and wall applications Fire Rating – Euro Class B