BUYER GUIDE
Window & Door RFQ Checklist
A clear opening schedule helps keep the quotation tied to the products your project needs. Start with one row for each different opening or configuration.
BUYER RESOURCES
Practical starting points for preparing your inquiry, comparing proposals and discussing product configurations.
For importers, distributors, contractors, project buyers and homeowners planning custom aluminum windows.

BUYER GUIDE
A clear opening schedule helps keep the quotation tied to the products your project needs. Start with one row for each different opening or configuration.
BUYER GUIDE
Two quotations can describe the same opening and still include different products or services. Compare the configuration and scope line by line before comparing the final totals.
BUYER GUIDE
Start with how you want to use the opening. Bifold doors fold connected panels into a stack, while sliding doors move panels along tracks. The better fit depends on the layout and project requirements.
BUYER GUIDE
Thermal-break aluminum frames include a lower-conductivity separation between metal sections to reduce heat transfer through the frame. Non-thermal-break frames do not use that same separation.
PROJECT DESTINATION
Source project-configured windows and doors directly from ENGGIA’s own factory. Explore the product ranges and send your opening schedule to discuss the requirements for your destination.
PROJECT DESTINATION
Source project-configured windows and doors directly from ENGGIA’s own factory. Explore the product ranges and send your opening schedule to discuss the requirements for your destination.
BUYER GUIDE
Turn a broad request for double glazing into a configuration that suppliers can price and discuss.
BUYER GUIDE
Give every opening a stable reference, a clear dimension basis and an unambiguous operating arrangement.
BUYER GUIDE
Connect a document to the product, specimen and configuration you are actually considering.
BUYER GUIDE
Agree how products will be protected, identified, handled and checked at receipt before comparing delivery offers.
FAQ
A few things to know before you start your window and door inquiry.
If you are preparing an inquiry, start with the RFQ checklist. If you already have proposals, read the quotation comparison guide. If the main decision is the door layout, begin with bifold vs sliding doors.
No. They explain how to organize a purchasing decision and the questions to ask. Product dimensions, glass configurations and document references need to be checked against the selected series and the actual proposal.
Yes. Copy the column structure and replace the example information with your project details. The sample dimensions are only an illustration of formatting, not a recommended size or an approved product configuration.
Yes. The guides are optional help, not a prerequisite. Send your current requirements through Request a Quote and highlight the decisions you would like to discuss.
YOUR PROJECT, YOUR CONFIGURATION
Share products, dimensions, quantities and destination.