consultation, structural and thermal analysis, oversized glass and passive house detail development, sourcing assistance, and project planning. Sash And Frame also offers CAD modeling, drafting, RFQ creation, and complete installation services including rough opening preparation, waterproofing, site glazing, welding, and installation remediation. For manufacturers, it provides product customization and design, prototyping support, hardware adaptation, kinetic design and motorization, code compliance and testing, and supply chain and production data optimization. The company additionally furnishes and installs high‑efficiency European windows and doors and offers technical guidance on European hardware, silicone joint design, and glass installation capabilities.