Web• $5,600 total (originally $6,600) • provia fiberglass door, 15 light. • composite sill and threshold with automatic adjusting cap (which pushes up against the door sweep for. Webthe provia retractable spectrum (2 sash) door was over $1000, but i saw later that it comes with a single sash which would be better for us with our pets. (we want glass on the. Webjun 20, 2023 · yes, provia doors are generally considered worth the cost. While provia exterior doors may have a higher upfront cost compared to some other brands, the long. Webfactors affecting provia entry door cost 1. The material you choose for your provia entry door plays a significant role in determining its cost.