Caixilharia560 is a window and door frame company based in the municipality of Sintra, Portugal, with more than 30 years in the market. It manufactures and installs PVC frames, serving mainly the central region and aiming to provide responsive service and support before, during, and after each project. Its offerings include made-to-measure PVC windows and doors, as well as a range of shutters: thermal, compact, electric, vertical, Venetian, and roller models. The company also supplies insect screens and other custom shutter solutions. Its website presents solutions in aluminium as well as PVC.

Caixilharia560 provides free, written, itemised quotations, typically within 24 to 48 hours, and offers payment plans. Customers can visit its showroom in São Marcos, Cacém, to consult specialists and explore available materials and options. The company highlights PVC’s thermal and acoustic insulation, low maintenance, and resistance to corrosion and degradation. It also issues energy labels for its window solutions and can include label simulations with quotations. Seasonal promotions and a stated 10-year warranty are available, alongside post-installation follow-up.