Gill Building Supply offers durable and high-performance rigid insulation designed to improve thermal efficiency and moisture resistance in a wide range of construction applications. Manufactured as solid insulation boards, rigid insulation provides consistent coverage and excellent insulating value where strength and stability are required. Ideal for walls, roofs, foundations, and exterior sheathing, rigid insulation helps reduce heat transfer while enhancing overall building comfort and energy efficiency. Its moisture-resistant properties make it suitable for both interior and exterior use, including below-grade applications when properly installed. Whether used in residential or commercial projects, rigid insulation from Gill Building Supply delivers reliable performance, easy installation, and long-term energy savings—making it a smart choice for modern construction and renovation needs.