· These awnings are designed to help prevent solar heat gain creating shade and water damage from rain. We offer two designs: seasonal and permanent (welded frame). Seasonal are designed to let you remove the awning from your house during the winter months, which can be made in two styles - standard and box. Permanent are designed to stay mounted to your home year-round. They are designed to handle the harsh weather, plus all the benefits. The most common styles are box, convex, and standard.