Premium Plus Doors are very slim, using the natural strength of aluminium to provide maximum glass and light. They are strong and secure with a full range of quality hardware and high security multipoint hook locking. They are highly versatile and can be specified for a wide range of applications including Residential housing, schools and office entrance doors.
... [Premium Plus Doors] exceed the Building Regulations for both new build and & refurbishment projects, whilst achieving excellent U values as
low as 1.4.....