Van Dukes hardwood conservatories represent traditional manufacture at its very finest, a combination of old fashioned values and new age technology. Mortice and tenon construction of the frames with timber profiles designed to meet severe weather rating standards. All timbers will be Utile or Sapele hardwoods from sustainable sources and are classed as durable within a scale of non-durable, semi-durable and durable.     The timber profiles whilst being manufactured traditionally have the benefit of glazing beads that accept EDPM gaskets that have the benefit of clean and speedy on site glazing without the use of silicones or putty. The glazing specification incorporates as standard 24mm sealed units manufactured using toughened safety glass to BS6206. The wall glass in the vertical elevations will also be fitted with security glazing tape making glass removal from the outside virtually impossible to remove from the outside.   The window and door furniture will be brass lockable fittings and the windows have the benefit of secure multi point espagnolette locking systems with a night venting capability. All timber is factory finished with Teknos (www.teknos-group.com) environmentally friendly micro-porous water based products. The timber will have two high build spray coats applied.