Our Duocore doors boast class-leading insulation for excellent thermal efficiency.
Tested to British and European standards, Duocore® offers a multi-layered light hardwood core with strength and stability.
Our Duocore® door blanks are in constant development and are freely resizable — removing the need for a timber perimeter and making Duocore® a versatile door blank.
The Duocore® door blank has exceptional fire insulation and class-leading passive thermal performance (U-value) making it the right choice where thermal efficiency is the hot topic.