Glass Wool Boards/rolls size mm (Heat insulation etc. ) Glass wool product as sound/heat insulationFor steel structure building, for wall (inside and outside) and roof of construction to save energy, for indoor partition wall, Train compartmentWonderlead is a manufacturer and distributor of professional thermal insulation-use supplies. Mainly products: glass wool rolls/boards; rock wool rolls/boards. Wonderlead is dedicated to providing a high quality, comprehensive product selection to our customers. Our commitment to excellence is achieved through diligent teamwork and continuous improvements in customer satisfaction
