Frame Joining Adhesives PVA WOOD GLUE FIXING SPRAY SPRAY MOUNT Picture Hanging PICTURE CORD PICTURE WIRE STUDIO JOINER UNDERPINNER INMES WEDGES & FLEXIPOINTS WEDGES Backing Board With its unique and gently bowed construction to hold artwork in place, Corri-Cor® backing board is lightweight and yet dependably rigid. It is easy to cut and is almost dust free. It offers high levels of protection and provides outstanding quality. Sheet Size: 915 x 1220 mm Thickness 2.5mm Thickness 2.8mm Thickness 2.5mm CORRI-COR-REGMK1 The Regular MK1 is double walled corrugated board which has a combination of flutes and papers. This not only makes it pH neutral and acid free but gives it rigidity. The lightweight nature of Corri-Cor® makes it perfect for poster backing and large frames. CORRI-COR-AQUAMK3 MK3 is a slightly thicker and more rigid double corrugated board with the additional benefit of a water-resistant coating to limit moisture getting into the back of the frame. CORRI-COR-CONSERV This top-of-the-range backing board has been developed specifically for framing the most valuable items using conservation framing methods. The conservation double corrugated board has permanent and pure white liners on both sides. It conforms to the DIN ISO 9706 standard for permanency and is lignin free, acid free and pH neutral with no optical brighteners. No barrier board is required.