A tilt-and-slide sash offers a tilt ventilation mode and moves parallel to the fixed panel for access. A lift-and-slide sash lifts before sliding. Compare size limits, threshold details and operating requirements for the actual systems.

Submit the overall frame dimensions, opening arrangement and quantities for review. Feasibility depends on the profile, active sash dimensions, glass weight, hardware and project requirements.

Frame dimensions and active sash dimensions are different. Request approved limits for your complete configuration rather than applying a single maximum size to every door.

Include external access and locking in your enquiry. The available arrangement depends on the profile, handle, cylinder and hardware combination and must be confirmed before ordering.

Ask for the actual threshold section and height. If step-free access is essential, submit the requirement early so the door system and floor junction can be assessed together.

Options are reviewed against the selected system. Share your thermal, acoustic, solar-control or safety requirements, preferred finish and hardware needs. Request samples where colour matching matters.

Yes—identify the proposed configuration and destination market in your request. Confirm the availability and scope of drawings and reports before using them for project approval.

ROPO accepts enquiries from distributors, importers and project buyers. Include the intended product range or door schedule, approximate quantities and delivery destination to discuss supply terms.

Dimensions, configurations, finishes, glazing, quantities and delivery requirements influence the quotation. Ask for the applicable minimum order and a schedule separating approvals, production and shipping.

Confirm the relevant instructions, support contact, spare-parts availability and warranty scope as part of the order. Keep door identification and hardware records for future service.