When it is necessary to remove your existing roof or roofs, debris will fall through your lath or decking into the attic. You will need to cover any items in the attic which you think would require protection. There will be a thorough clean up of the exterior of your premises, however, we can only pick up approximately 98% of the nails that fall around the area. Mowing the yard prior to the roof installation will help maximize the amount of nails that the magnet will pick up.
