How to count the windowsill board
The style of the windowsill is mainly classified from the material, the common materials are marble, granite, artificial stone, decorative panels and decorative wood lines.
Windowsill board: can be woodworking plywood, decorative panels made of wood in the form of surface, it can be made of cement, stone made of stone
The amount of work of the window sill is calculated by the area of the length and width of the plate. If the drawing does not indicate the size, the length can be outside the window frame
Width at both ends of a total of 10cm calculation, highlight the width of the wall by the wall plus 5cm calculation.
