Wiknaplast manufactures made-to-measure window and door frames and provides professional installation for homes and commercial spaces. Its range includes PVC and wooden windows and doors, efficient windows, roof windows, frames, glazing, shutters, thermal blinds, PVC and wooden enclosures, glass curtains, and insect screens. Customers can choose from different colours, models, textures, and finishes to suit their buildings.

The company works with established suppliers, including Aluplast and Salamander PVC profiles, Winkhaus fittings and security systems, and Press Glass and Pilkington glazing. Its options include double and triple glazing, with laminated, tempered, and thermal glass. Wiknaplast presents its products as solutions for improving thermal comfort, reducing outside noise, and strengthening security; it states that efficient windows may help reduce energy consumption by up to 40%.

Wiknaplast serves residential and commercial customers and offers personalised assistance and quotations. The company highlights custom manufacturing, installation, product quality, and attention to agreed timelines. It has contact locations or branches serving Lisbon, the Algarve, and Porto.