Roof replacement cost
 

Nailing too high causes the nails to miss the shingle underneath – a storm nailed roof will have 12 nails per shingle, in this case. Storm nailing represents 6 nails in the nailing strip and 6 from the next shingle passing though the top inch of the last. This application is a must for full wind protection often over 80 mph and for Manor and other Steep slopped roof applications....