1 when cutting in stairs always remember that most architect consider stair's to be wasted space so the stairs though not always are usually drawn in tight , 2)an easy way to figure if you have enough...
a great new tool to mark angle lines on plywood and other flat surfaces is called a v-line, it can be used on stucco, particle, board , metal, siding, cedar, anything measuring a quarter inch to seven eights...
the fastest way to cut hips and valley plywood is to figure the difference between the short point and long point and write it down, it saves alot of time as you go up the roof since the top measurement's are...