Method for attaching fibrous batt to plastic substrate

A method of attaching a fibrous material to a plastic substrate comprising:

• positioning the fibrous material over a surface of the plastic substrate;
• directing a stream of heated air through the fibrous material and at the surface of the plastic substrate, the quantity and temperature of the heated air being sufficient to melt the surface of the plastic substrate;
• compressing the fibrous material against the melted surface of the plastic substrate to cause fibers of the fibrous material to become immersed in the melted surface of the plastic substrate;
• and
• allowing the melted surface of the plastic substrate to cool and resolidify, thereby embedding fibers of the fibrous material in the resolidified plastic.