The short answer
Clear product data, dimensions, finishes, technical datasheet, installation requirements, warranty and contact for samples.
A useful listing states the product, the range of sizes and finishes, the material composition, the technical datasheet and the installation method. Architects abandon listings that force them to email for basic dimensions.
Add warranty terms, maintenance guidance and how to request a sample. Where relevant, provide CAD or BIM files and certifications in a downloadable form.
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