Shutters of laminated timber, stiles and rails of 58x80 mm joined by a mortise and tenon joint, trapezoidal sharp-edged open slats of 14x90 mm, sliding block for slat, espagnolette locking device, concealed hinges and chemical anchor for black hinges.

Painting with an impregnating agent or a water-based monocomponent paint consists of 3 different phases:
- the first phase consists in the application of a transparent or colored fungicide impregnating agent by immersion and drying process at a constant temperature;
- the second phase consists in the application of a thixotropic water-based coating with an air-pressure sprayer to protect doors and windows from UV radiation, drying process at a constant temperature, sanding with an automatic sanding machine and final wiping with inspection of the pieces;
- the third phase consists in the application of a moist film of thixotropic water-based finish with an air-pressure sprayer in the quantity of 300 microns, drying process at a constant temperature, final inspection of the pieces.