For almost two decades, Tremco Roofing and Building Maintenance and Its subsidiary WTI (Weatherproofing Technologies, Inc.) have been providing AEPA members with unique facility asset management solutions designed to reduce your roofing and building envelope life-cycle costs, while improving building performance. Expedited contract procurement and our comprehensive start-to-finish project management capabilities allow you to concentrate on your daily responsibilities while WTI takes the responsibility for ensuring a safe, dry, comfortable environment.