JCK were the first firm to manufacture timber Secured by Design doorsets. At JCK Joinery, we pride ourselves on the high quality of work that we produce. This can only be achieved by utilising first rate materials and investing in trained operatives and comprehensive research and development. Secured by Design We were the first company to produce timber doorsets with the Secure by Design license. SBD Licencees and all of our security products are Q-mark certified with BM TRADA (Chiltern Dynamics) which covers PAS 23/24, DD171 and BS7950/6375. We have additional test evidence concerning operational life, acoustic, thermal and fire properties. We have supplied doors, windows, and joinery components throughout the UK for refurbishment and new-build projects, including works for housing associations, councils, national and regional construction companies, as well as many individual bespoke orders. We are able to adapt our SBD designs to cost-effectively help customers meet their requirements. Our range of products includes single and double doors, windows, door and window combination frames, communal doors with access control, fire exit doors, flat entrance doors, FD30 fire doors / FD60 fire doors, external joinery and custom designs. Solid core flush doors are available with a variety of vision panels and mouldings, and can be supplied with a paint or veneer finish. Flat entrance doors are available either as a flush door or a six panel mounded skin. A wide range of wood/laminate veneers are also available. These security doors have been acoustically tested for Part E compliance achieving 32dB or better sound reduction. All single doors are now available with low maintenance, easy to operate single-point locking. All of our product types can be produced from PEFC & FSC or independently verified sustainable source materials, with Chain of Custody.