Suitable for a wide variety of building jobs.Medium-density (6oz.) E-glass. Use with polyester or epoxy resin for light building jobs, covering large areas or reinforcement when laying up or repairing a damaged area.Key FeaturesMost commonly used fabric for repair and light building jobsMedium-density (6oz.) fiberglass cloth is ideal for covering large areasUse with polyester or epoxy resins as reinforcement when laying up or repairing damaged areasSuitable for all Marine resinsWoven fiberglass material