Block the sun and wind while keeping the view with our portal wind and shade screens. They provide ease of operation and full retractability, plus we guarantee your satisfaction for years of dependable use. We use a range of 90 percent sun block mesh fabrics, to retain your views and block harsh sun and winds. We are also the only company in the industry using a special 126" 90% sun block mesh fabric, milled exclusively to reduce seams in our screens.