The Calais Collection, constructed from French White Oak is a beautifully toned 7 1/2″ width plank that comes in a range of colors created exclusively for your home. French white oak has closed knots and beautiful variety in its grain structure, which suits any style of decor and home design, whether it be in the French and Spanish style or whatever you call home. The Calais collection comes with an 11-ply cross laminated Baltic birch construction which gives excellent stability and has a generous 6mm top-layer which can therefore, be re-sanded several times. The Calais Collection sources its materials from sustainable sources and offers the option of FSC Certification on our wood flooring products. Our products are all FSC Certified Sustainable and are eligible for Lead Point Credits. The adhesive systems we use to assemble our engineered wood products all use state of the art adhesive systems that are strong and resilient. The component adhesive systems in all are all E-1 rated and CARB II compliant.