Ability of roofing materials to withstand wear caused by foot traffic, equipment, and environmental exposure over time.
The capacity of a material to take in moisture, which can affect insulation performance and durability.
Laboratory testing process simulating long-term environmental exposure such as UV, rain, and temperature changes.
A petroleum-based waterproofing material commonly used in shingles and modified bitumen systems.
The ability of roofing materials to bond effectively to substrates or other layers.
Initial layer installed over the roof deck, forming the foundation for additional roofing layers.
Waterproofing compound used in BUR and modified roofing systems, providing durability and flexibility.
Raised bubbles on a roof surface caused by trapped moisture or air expansion.
Multi-layer roofing system composed of bitumen and reinforcing fabrics for durability.
Water that flows backward due to drainage blockage, often leading to leaks.
Protective metal component installed over base flashing to prevent water infiltration.
Top protective layer in roofing systems designed to resist UV and weather exposure.
Formation of moisture when warm air meets cooler surfaces, often leading to interior damage.
Extracted portion of a roof used to evaluate layers, insulation, and overall condition.
Raised structure designed to divert water around penetrations or equipment.
Structural surface supporting the roofing system, typically made of steel, wood, or concrete.
System that ensures proper water runoff to prevent ponding and structural damage.
Permanent weight of roofing materials and equipment applied to a structure.
Separation of roofing layers due to moisture or poor adhesion.
Synthetic rubber membrane widely used in commercial roofing due to flexibility and durability.
Designed separation allowing building movement without damaging roofing systems.
Lower edge of a roof that often extends beyond the wall for water runoff.
Metal components installed at roof edges to protect against water intrusion.
Material installed at joints and transitions to prevent water infiltration.
Mechanical component used to secure roofing materials to the deck.
Vertical finishing edge at the roof perimeter supporting gutters.
Main area of the roof excluding edges and penetrations.
System that collects and channels rainwater away from the structure.
Protective mineral coating on shingles that shields against UV rays.
Roof system partially or fully covered with vegetation.
Process used in thermoplastic systems like TPO to fuse seams together.
Raised platform supporting rooftop equipment and protecting roof penetrations.
Pressure exerted by standing water that can lead to leaks.
Material used to improve energy efficiency and thermal performance.
Uncontrolled entry of air or water into the building envelope.
Accumulation of ice at roof edges causing water backup.
Connection point between two roofing components or materials.
Structural support element beneath the roof deck.
Equipment used to heat asphalt during installation of BUR systems.
Flashing installed to direct water away from walls.
Unwanted entry of water through the roofing system.
Roof with minimal incline, commonly used in commercial buildings.
Layer of material applied during roofing installation.
Primary waterproofing layer of a roofing system.
Asphalt-based system enhanced with polymers for flexibility.
Penetration of water into roofing components.
Prepared surface for fastening roofing materials.
Inspection methods that do not damage the roof.
Application of a new roofing system over an existing one.
Degradation of materials due to prolonged exposure to oxygen and sunlight.
Materials placed above the membrane, such as pavers or soil.
Vertical extension of a wall above the roofline.
Standing water that remains on a roof for more than 48 hours.
Any object that passes through the roof, such as vents or pipes.
Procedures ensuring roofing installation meets required standards.
Verification of contractor or material performance.
Process of extending a roof’s lifespan using coatings or restoration systems.
Installation of a new membrane over an existing roof.
Highest horizontal point of a roof.
Complete system including deck, insulation, and membrane.
Joint where two roofing materials meet.
Degree of incline affecting water drainage.
Surface on which roofing materials are installed.
Roofing system consisting of one membrane layer.
Thermoplastic membrane known for energy efficiency and durability.
Removal of an existing roofing system before replacement.
Expansion and contraction caused by temperature changes.
Modified bitumen system applied using heat.
Layer installed beneath roofing materials for additional protection.
Ability of a roof system to resist wind forces.
Airflow system that prevents moisture buildup and regulates temperature.
Material that prevents moisture diffusion through the roof system.
Protection against water penetration.
Force that can lift roofing materials during high winds.
Guarantee covering materials or workmanship.
Extruded polystyrene insulation with high moisture resistance.
Maximum stress a material can withstand before deforming.
Protective layer preventing corrosion in metal roofing components.
