Lignum™ is the first independent UK timber window & door system with Secured by Design and PAS 24:2016 certification that is available to any joinery manufacturer.
Designed to suit UK housing styles, the Lignum system includes timber Flush Casement windows, timber Box Sash windows, timber Spiral Balance Sash windows, timber Single doors, timber French doors, timber Double doors and timber Bifold doors.
Every product has been rigorously tested to achieve Secured by Design accreditation. Secured by Design is the coveted police preferred specification that tests against security, robustness and long lasting use.
Ligum has also been fully tested to comply with Building Regulations Document Q for new build housing. The timber windows and doors are certified to stringent PAS24:2016 standard for security and BS 6375:2015 Parts 1 & 2 for weathertightness.