TEL & FAX: 01443 442970 Composite Panels... Either, PIR cored for excellent thermal properties for use in temperature controlled areas, or mineral wool cored for compartmental walling or for those areas deemed high risk such as:- escape corridors and cooking areas. The panels are designed for ease of installation with an interlocking joint, facilitating excellent vapour sealing, panels can be easily reused. Modern design, demands not only ingenuity of design and pleasing aesthetics, but also superior product integrity, increased construction speed, low maintenance costs and extended life performance. Harlech offer a wide range of composite panels.  External Composite Panels... ...design, build, support and maintenance