The Celotex GA4080 is an advanced insulation board designed to meet the needs of modern construction. Measuring 2.4m x 1.2m with a thickness of 80mm, this premium grade product provides exceptional thermal performance due to its PIR rigid foam core encapsulated between two layers of durable, lightweight foil facing. With outstanding insulating properties and easy installation, its an ideal choice for both new build projects and refurbishments, helping to improve energy efficiency while meeting the latest building regulations.