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Set clear expectations, milestones, and payment terms for residential or commercial glazing and aluminum installation projects.
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As a glazier or aluminum installer, your craft is all about precision, structural integrity, and high-stakes materials. A professional service agreement is your shield and your blueprint, laying down the exact terms of your install before the first sheet of glass is delivered. You need this contract the moment a client approves a bid for anything from custom storefronts and curtain walls to residential shower enclosures and bifold doors. A great agreement does more than just secure your deposit; it clearly defines scope-of-work boundaries, details structural prep responsibilities, and establishes exact tolerances for glass imperfections. By laying out who is responsible for site readiness, measuring errors, and hoisting equipment upfront, you protect your margins and prevent the classic disputes that can stall a project or eat into your profits. This document transforms handshake agreements into professional, airtight partnerships that build long-term trust.
The property owner or general contractor is legally responsible for securing all necessary building permits and structural engineering approvals before work begins. Your agreement should explicitly state that your role is limited to providing the product specifications and performing the physical installation, not navigating local zoning codes.
Your contract must include a site readiness clause allowing you to pause work and charge a delay fee or mobilization rate until the openings are corrected by the general contractor. Alternatively, you can execute a signed change order detailing the extra labor and materials required to modify the aluminum framing to fit the uneven opening.
Include a clause referencing the ASTM international standards for inspecting flat glass, which dictate looking at the glass from a distance of ten feet under neutral lighting. Any blemish not visible under these specific conditions is legally considered acceptable, preventing unreasonable demands for costly replacements.
Glass and aluminum are highly customized materials fabricated to exact job-site dimensions and cannot be repurposed or returned once cut or tempered. Requiring a non-refundable deposit of at least fifty percent ensures that manufacturing costs are fully covered before any custom fabrication begins.
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