Sheets and rolls of wool felts are used as suitable thermal insulation and acoustic insulation materials. These natural fiber based textile products are also used to design gaskets. These industrial textile products have high flame retardant capacity. Moreover, products of felts can extinguish themselves in case of outbreak of fire. One of the unique features of felt is, this fabric does not need knitting or weaving for its fabrication. Due to water resistant capacity of wool, this range of fabric is used for designing green roof. Excellent moisture wicking capacity, coarse texture, multipurpose usage and cost effectiveness are the other remarkable features of wool felts.