Record names and markings
Photograph permanent labels, stamps, spacer markings and hardware numbers without dismantling a safe assembly.
Review current considerations for independent planning guidance for legacy PPG references and current Vitro architectural glass context on a Hamilton-area project.

PPG and Vitro Glass Identification is included as an independent research reference for legacy PPG references and current Vitro architectural glass context. Windows Hamilton does not imply dealership, affiliation or warranty authority.
Begin with old drawings, labels, coating references, tint and insulated-unit construction. Then compare the record with current manufacturer information, the retained frame and the performance the opening must provide.
A historical specification may require a current equivalent rather than a name-for-name order. Product availability, equivalency and lead time should be confirmed for the specific accepted project.

The brand may narrow the search, but responsible planning still depends on old drawings, labels, coating references, tint and insulated-unit construction.
Photograph permanent labels, stamps, spacer markings and hardware numbers without dismantling a safe assembly.
Document legacy PPG references and current Vitro architectural glass context, including the features that affect fit and service.
Use current technical data for compatibility, limitations and performance rather than relying only on an older page or invoice.
This path may suit replacement research for façades documented under earlier product names when the surrounding assembly is sound and compatible materials can be confirmed.
A new specification can address the required function, appearance and interfaces without pretending it is an exact legacy replacement.
Document old drawings, labels, coating references, tint and insulated-unit construction. Then state the required outcome and identify who can approve field review, specifications and scope.
No affiliation, dealership or warranty authority is implied by an independent product guide. Confirm commercial relationships and current availability for the specific project.
It can provide a valuable lead, but product changes, custom project makeups and incomplete markings mean the opening and current technical information must also be checked.
Use current manufacturer data, project specifications and any responsible design professional or authority whose approval applies to the opening.
Show the complete opening, nearby panels, frame and seals, then add clear detail views of permanent labels, stamps, spacers and hardware numbers.
Send the property area, opening location, photographs, approximate dimensions and the reason for the enquiry. Drawings, labels and earlier service records can add useful context.
Windows Hamilton reviews what can be discussed from the record and what requires field verification, manufacturer information or another responsible specialist.
The proposed scope identifies measurements, materials, access, assumptions and exclusions before anything custom is ordered.
Keep original schedules and submittals because abbreviations can carry project-specific meaning.
Visual comparison should include adjacent glass under more than one lighting condition.
A durable PPG and Vitro Glass Identification record separates what was observed, what was supplied by others and what still needs confirmation. That distinction keeps early discussion from being mistaken for a final specification.
Site photographs should be dated and labelled by room, elevation or opening. When several similar units exist, use a consistent identifier so dimensions and decisions cannot migrate to the wrong location.
The quotation stage should identify old drawings, labels, coating references, tint and insulated-unit construction. If a condition remains unknown, it should appear as an assumption or prerequisite instead of disappearing inside a general description.
Before scheduling, confirm the existing opening, project drawings, current manufacturer documentation and site access. The work sequence, protection and access plan should be understandable to the customer, site contact and installer.
After completion, keep the accepted scope, product records, care information and photographs together. A usable closeout file makes later maintenance and warranty questions easier to route.
For this independent PPG and Vitro Glass Identification guide, share labels, photographs and the project objective. We will review the request and confirm any additional measurements or site information needed for a quote.
Call Windows Hamilton: 289-975-4020.
Windows Hamilton ©2026 — Windows, doors, installation and repair for Hamilton-area homes.
Choose residential or commercial, then provide the few details we need to understand the request.