Liniar is a UK-based manufacturer of advanced uPVC window and door systems, renowned for their energy efficiency, security, and sustainability. Established in 1974 and headquartered in Derbyshire, Liniar designs and produces innovative, lead-free, and fully recyclable products that meet the highest industry standards. Their multi-chambered profiles, patented bubble gaskets, and thermal dams deliver exceptional thermal performance, while features like PAS 24 certification and Secured by Design accreditation ensure robust security.
Get the premium look of timber without the call-backs. Our best selling Composite Door range is engineered for the trade – combining a high impact GRP skin with a rock solid core for maximum security and thermal performance. These doors offer the ultimate blend of kerb appeal and structural strength. In stock and ready to spec.
Key Benefits
- Built to last: high density Foamcore or ultra-rigid Gripcore options - built to stay square and secure.
- Weather proof: GRP skin resists warping, rotting, and fading. No painting required.
- Pro security: multi-point locking and anti-snap cylinders as standard.
- Elite finish: massive range of styles, from traditional cottage to modern designer.
Gallery
Further Information
- Hardware: pull bars, Victorian knockers and classic lever handles.
- Glazing: huge selection of decorative, traditional, and contemporary glass.
- Colours: a wide palette of durable finishes to match any property.
Product Range
- Composite Door