System Requirements

All shingles require two nails per shingle. All flashing has a nail spacing of eight inches on center. All underlayment for roofing applications will be either a high temperature membrane (Peal & Stick/Water-Ice Shield) rated for metal systems, or a woven polyethylene sealed per layer to manufactures specifications. All vertical walls require typical house wraps i.e. Tyvek or a comparable substitution.