Al’s Liner Heat and Noise Reducer (HNR) produces a comfortable atmosphere in vehicle interiors. HNR can be applied to interior roof, walls and floor to reflect exterior temperatures by 45°F or more. The coating can withstand temperatures up to 500°F. Al’s HNR is a proprietary blend of latex synthetic polymers, acrylic, PVA and vinyl styrene… Continue reading Al’s Liner Heat and Noise Reducer Keeps Vehicle Interiors Cool in the Summer and Warm in the Winter