Boom Mats new Under Hood Thermal Acoustic Lining was designed primarily for automotive engine compartments as a way to greatly reduce heat and noise with a simple and easy peel and stick application. Extreme engine heat and noise often is a problem with todays modified vehicles packed with high performance components. Made of 3/4 in. thick high quality, marine grade acoustical foam with a fiberglass reinforced reflective aluminum skin while the 5 mil acrylic adhesive provides a permanent bond. Under Hood Thermal Acoustic Lining not only insulates the underside of the hood for sound deadening and thermal control it also protects the vehicles paint finish. Under Hood Thermal Acoustic Lining can also be used as noise control applications such as on generator boxes and many industrial uses including HVAC applications.