Building Envelope

Last updated: July 1, 2026

This Attribute Glossary article provides definitions of attributes tied to a property's building envelope.

Archipelago does not provide the values for all of these attributes, but rather can ingest them from your uploaded SOV or pull them from submitted documents (PCA, LE reports, etc). Some of these attributes are hidden unless provided to reduce the amount of blank columns on your SOV. If you want an attribute to be made visible or if you would like to add a custom attribute to your SOV, please reach out to support@onarchipelago.com

Attribute	Definition
Cladding / Wall System	Refers to the building components that form a non-structural layer on the exterior, creating separation between the interior and exterior environments.
Fire Rating for Wall Siding	Provides the fire rating for the exterior wall materials.
Door and Frame Type	The door and frame type used in the exterior openings of the building, noted as the main entrance.
Window & Frame Type	Indicates the window type installed on the property (e.g., glazed or pressure-resistant).
Window Glazing Protection	Indicates if the building has wind and debris impact protection on its windows.
Glass Percentage	The percentage of glass covering exterior walls of the building.
Glass Type	Indicates the characteristics of the exterior glazing, manufactured to achieve higher strength or safety standards.
Building Exterior Opening	Describes the amount of open exterior wall (windows and doors) as more than 50% or less than 50%.
Roofing Description	An opportunity to provide a higher level of detail about a property's roofing system.
Roof System Anchorage	The method of attaching the roof system (structure) to the walls of the building.
Roofing Material	The outermost material used to cover the roof system.
Roofing Material Anchorage	The method of attaching the roofing material to the roof system.
Roofing Material Installation Year	The year of roof installation.
Roofing Material Replacement Year	The estimated date when the roofing material may need replacement, based on client documents or Archipelago industry standards.
Fire Rating for Roof Covering	Provides the fire rating for the roof covering.
Roof Deck Material	Indicates the material used as the deck component of the roof assembly, capable of safely supporting design loads.
Roof Deck Anchorage	The method of attaching the roof deck (structure) to the building.
Roof Geometry	Describes the shape of the roof.
Roof Drainage System	The system used to remove or assist in the removal of rainwater from roofs.
Roof Coping and Flashing	Roof coping is the protective cap placed on top of a parapet; roof flashing is the waterproof material installed at roof joints and intersections.
Roof Overhang	The section of the roof that extends outward beyond the exterior walls to provide shade, redirect water, and add architectural interest.
Roof Vent	An opening in the roof system designed to vent and circulate air through the roof cavity to regulate temperature and moisture.
Roof Soffit	The portion of the roof system sheathing the underside of the overhang between the exterior wall and the roof's edge.
Roof Structures	Indicates the presence of roof-attached structures such as a chimney, skylight, or dormers.
Chimneys	Indicates the presence and height of masonry or stone roof chimneys.
Roof Chimneys Anchorage / Bracing	Indicates the presence and suitability of anchorage/bracing for masonry or stone roof chimneys.
Roof Equipment Anchorage / Bracing	Indicates the presence and suitability of anchorage/bracing for any equipment mounted on the roof.
Roof Tanks Anchorage / Bracing	Indicates the presence and suitability of anchorage/bracing for water tanks on the roof.
Roof Parapets Anchorage / Bracing	Indicates if the building has parapets on the roof and what anchorage/bracing is used to attach them.
Roof Screens / Signs Anchorage and Bracing	Indicates the presence and suitability of anchoring/bracing for roof screens, signs, and enclosures protecting rooftop equipment.
Roof Hail Mitigation	Describes the materials and/or systems used to resist hail damage.
Roof Solar Panel Coverage	Indicates the percentage of the roof covered by solar panels.
Roof Solar Panel Description	Describes general details of the solar panels including ownership, size, percentage, and type.
Roof Solar Panel Ownership	Quantifies ownership of solar panels by specifying how much is owned by the client versus leased.
Roof Solar Panels Anchorage / Bracing	Indicates the presence and suitability of anchorage/bracing for solar panels on the roof.
Solar Panel Power	Details the power capacity of the solar array.