Question for roof and wall sheathing.. 1. When we put plywood or osb(we are not sure what we will use?) on roof rafter..what nails we should use ...should we use 8d vinyl coated sinkers or just 8d bright common ? which is preferable out of two and 8d is good enough for it? or we should use 16d? 2. we are putting t1-11 for siding what type of nails we should use for this? we were told galvanized 8d spirals or ring shank is that correct? or we should use 8d vinyl coated sinkers? 3. What size and type of nails we should use when we put felt paper and roll roofing over this low slope flat roof?