The Soundproofing ExpertSemySeal is a brand founded in 2016 that specialises in the production of high-quality soundproofing materials. Their products include bituminous noise reduction boards and textile sound insulation boards, which are widely used in noise reduction and sound insulation.SemySeal is committed to ensuring that its products meet the highest quality standards. They continuously develop their products based on the latest technologies and research results to offer their customers the best possible noise reduction solutions.