Sealing, decoupling and sound insulating system under all kinds of top covers preferably comprises two layers of fleece and a sealing middle layer with specified thickness and overlap values
摘要
<p>The sealing, decoupling and sound insulating system under all kinds of top covers comprises several layers, preferably two layers of fleece and a sealing middle layer which preferably is 200 m thick and has a 5 cm overlap.</p>
