Premium Panel Thickness for Coastal Exposure
Cape Cod vinyl siding installation should specify .046 inch (or thicker) panels for any home, period, per Vinyl Siding Institute industry product standards. Builder-grade .040 inch panels save modest material cost upfront but fail in coastal exposure inside 5 to 10 years through warping, fade, and seam separation. Premium thickness panels (CertainTeed Monogram, Mastic Carvedwood, Royal Estate) hold up for 30 to 40 years on the same exposure.




