Planning and installationTurn the guide into a clean project handoff
A useful handoff lets the installer, customer and future service person understand the same configuration without translating shorthand. Name the location, identify the surface, list the pet-door model and SKU, and separate clear flap, rough-opening and outer-frame dimensions. Add wall or door thickness, screen support, glass-fabrication information and cover orientation when they apply. Put approvals next to the fact being approved rather than collecting an unlabeled yes in a message thread. This structure reduces the chance that a correct measurement is attached to the wrong opening or product family.
After installation, add the completed mounting height, photographs from both sides and any approved field adjustment. Keep policy, shipping or warranty communications with the order instead of rewriting their terms in the measurement sheet. The guide can then remain focused on product selection and care while current written policies control eligibility. When ownership or maintenance responsibility changes, pass the record forward with the physical cover, spare parts and manuals. A well-documented pet door is easier to operate, inspect and repair than an opening identified only by its visible color and approximate size.
Finish by choosing the next practical action. If fit is still uncertain, return to the exact flap and frame dimensions. If the product is selected, move to the installation guidance for the actual surface. If the opening is already in service, identify the model and size before choosing replacement parts. Custom work deserves an extra measurement review because one unlabeled number can undo otherwise careful planning. Save the final configuration with the measurements, photographs and installation notes so the next decision starts from verified information.