Shutters are made of spruce or fir wood, humidity 12 + – 2%.
DIN 68 360 – first class wood quality used for the production of construction joinery.The shutter leaf is composed of finger-joint lamellae, cross section 80/30 mm, connected on the back by a cross batten. The glue is waterproof. All wooden parts are protected with impregnating fungicidal insecticides. Brass passivated Jadro 100 hinges or black lacquered Fentro hinges.