1. Standing Seam Aluminum / Steel
$12–$22 per sq ft installed · 50-70 year lifespan
The gold standard for Long Island. Vertical panels with concealed-fastener interlocking seams resist wind uplift and shed water well. Aluminum is widely recommended for coastal homes near salt water, such as in Long Beach or Sayville; galvalume steel is common inland. Many products carry Class A fire and Class 4 impact ratings.