The exterior sills are made of aluminum and are painted in electrostatic field in white, brown or different shades of wood and in the RAL range. Their use is indicated for taking the water that flows from the carpentry on the masonry of the construction.
The exterior sills are chosen according to the desired width: 75 mm, 110 mm, 135 mm, 150 mm, 165 mm, 180 mm, 210 mm, 225 mm, 240 mm, 260 mm, 280 mm, 300 mm, 320 mm, 340 mm, 360 mm.