TECTUM^® Structural Acoustical Roof Deck from Armstrong Ceiling and Wall Solutions is durable, sustainable, and economical. The Roof Deck has excellent sound absorption available in plank, long span plank, and tile. The line of structural roof deck acoustical panels provides excellent sound absorption, a thermal barrier for field-applied foam plastics, and is compatible with a wide variety of insulation and roofing materials. There is also roof deck paneling specifically made for humid environments. TECTUM is a trusted source of high performing, easy to install roof deck for over 65 years.