MegaDomes® are covered with ultra-durable POWERSHIELD® 12 oz/sq.yd woven polyethylene fabric. Some of the colors offered are translucent membranes – which let in natural daylight; are cooler in summer time, and which reduce energy costs. Other colors, featuring a black intermediate layer, are opaque. The interior color of all membranes is white.
The manufacturer warranties the performance of the fabric covering as follows: 100% replacement warranty for the first 2 years; and thereafter up to 15 years in total on a pro-rated basis. Refer to the table above for the specific warranty that applies to different colors and products.