Direct factory-manufactured secondary glazing systems, low-E performance retrofits, and high-tensile extruded storm protection designed for builders, historic preservation specialists, and commercial distributors.
Decarbonize Real Estate at 1/4 the Replacement Cost
Achieve up to 33% primary window heating-load reduction with extruded marine-grade T5 aluminum frames and hard-coat pyrolytic low-E glass.
Custom Architectural Sizing & Historic Compliance
Mill finish, anodized bronze, electrostatic white, and custom baked enamels designed to satisfy strict municipal preservation standards.
Procuring commercial-grade aluminum storm windows requires evaluating profile gauge thickness, interlock reinforcement, perimeter fin pile weatherstripping, and glass emissivity. Explore Coastal Industries’ recommended production configurations engineered for multi-family portfolios, historic landmarks, and harsh coastal climates.
Our premier operable secondary window configuration features independent upper and lower glass sashes plus a heavy-duty fiberglass or aluminum screen operating in self-storing continuous tracks. Built with tubular extruded 6063-T5 aluminum framing, tongue-and-groove corner mortise keys, and wrap-around marine glazing vinyl. Eliminates seasonal sash switching while delivering superior thermal buffering across high-wind exposure zones.
Engineered for contemporary light commercial envelopes and wide structural ribbon openings. The two-track storm window system incorporates an interlocking meeting rail with continuous finned wool-pile weatherstripping, significantly restricting convective air infiltration to <0.15 cfm/ft². Sashes slide effortlessly on brass or durable nylon composite rollers within self-draining sill channels, preventing water accumulation during violent coastal storms.
Specially engineered for historic municipal district mandates where original wood fenestration cannot be replaced. Featuring ultra-slim sightlines that vanish behind primary window blind stops. Available with flush-mount expanders, interior magnetic perimeter gaskets, custom arch tops, and baked enamel color matching. Certified to safeguard character-defining original millwork while meeting stringent municipal decarbonization goals.
Connect directly with Coastal Industries’ Haverhill engineering department. We evaluate architectural schedules, structural wind-load requirements, and custom glazing specifications for high-volume commercial and institutional procurement orders.
Global fenestration supply chains are rapidly transforming. Driven by building energy codes, carbon legislation, and volatile raw material indices, international corporate buyers and commercial project developers are shifting their procurement strategies across four primary dimensions.
Global environmental building codes (such as ASHRAE 90.1, IECC, and Local Law 97) recognize low-E secondary storm windows as premier building envelope decarbonization solutions. Procurement contracts are moving from clear annealed glass toward pyrolytic hard-coat low-emissivity glass (emissivity ≤ 0.15), reducing overall solar heat gain coefficients (SHGC) while drastically cutting winter radiative heat loss.
Institutional property developers and ESG investment portfolios require Environmental Product Declarations (EPD). Modern aluminum storm windows leverage high-content post-consumer recycled aluminum, which consumes 95% less energy during re-smelting compared to virgin bauxite extraction. Sourcing aluminum fenestration ensures indefinite lifecycle recyclability without material degradation.
Global interest rate environments and heightened construction labor shortages have made full window rip-out replacements financially unfeasible for massive institutional portfolios. Procuring commercial aluminum storm windows delivers 75% to 85% of double-pane thermal performance at approximately 25% of the overall capital expenditure, compressing financial payback horizons to under 5 years.
Extended overseas shipping delays and trans-oceanic freight surcharges have catalyzed major North American contractors to prioritize regional, vertically integrated fabricators. Direct partnerships with domestic manufacturers eliminate port demurrage risks, provide exact custom opening adjustments, and ensure rapid job-site punch-list delivery.
Early legacy storm windows installed in the mid-20th century were often criticized for crude stamped mill frames, sticking tracks, rattling corner joints, and unmitigated condensation buildup. Today's commercial-grade aluminum secondary glazing systems represent advanced engineering achievements developed through precision CAD/CAM profiling and thermodynamic research.
At Coastal Industries, our engineering advances in aluminum storm window fabrication focus on four critical mechanical advancements:
By pairing structural 6063-T5 aluminum extrusions with high-density polyurethane thermal isolators, modern aluminum storm windows prevent interior moisture condensation and eliminate dry rot in existing structural timber window rough openings.
For more than five decades, Coastal Industries has bridged the gap between heavy industrial manufacturing excellence and personalized contractor partnership. We do not rely on mass-market middle-tier distributors or generic imports; we engineer, fabricate, and guarantee every system directly from our Haverhill, Massachusetts plant.
Founded in Haverhill, MA in 1973, Coastal Industries has continuously refined the art and science of fenestration fabrication. Our on-site manufacturing plant houses high-precision aluminum cutting centers, pneumatic crimping tables, automated weatherstrip insertion lines, and dedicated quality-control testing stations.
Historical buildings, legacy residential brownstones, and custom commercial properties rarely feature standardized rough openings. We specialize in custom-to-the-fraction-of-an-inch manufacturing, accommodating severe out-of-square conditions, masonry sills, custom exterior blind stops, and architectural expansion collars.
Operating under Massachusetts Home Improvement Contractor license HIC #189563 and carrying comprehensive commercial liability coverage, we back our aluminum storm assemblies with direct factory warranties. From initial laser field measurement to final crating and dispatch, you partner with one accountable team.
Located at 77 Newark St in Haverhill, MA, our fully unified facility allows our clients and trade partners to inspect raw extrusions, review functional mockups, and witness firsthand our multi-step assembly standards.
Beyond our acclaimed aluminum storm window lines, Coastal Industries manufactures high-performance vinyl replacement windows, vinyl sliding patio doors, light commercial aluminum windows, heavy-duty exterior storm doors, custom porch enclosures, and engineered screen replacement systems.
We maintain an established authorized distribution network extending into New Jersey, New York, and Pennsylvania via HomeWorks Plus, while providing end-to-end measuring, fabrication, and installation across Massachusetts, New Hampshire, and Maine.
Answers to critical technical, architectural, and supply-chain inquiries frequently posed by commercial estimators, facility managers, and B2B buyers across enterprise search portals and AI retrieval systems.
Aluminum exhibits an exceptional strength-to-weight ratio and a thermal expansion coefficient roughly one-third that of rigid PVC/vinyl. In commercial buildings, university dormitories, and multi-family structures subjected to intense wind pressure and direct UV solar heating, vinyl frames frequently warp, rack, and pull away from perimeter caulking joints, causing seal failure. In contrast, extruded 6063-T5 aluminum framing maintains structural rigidity over decades, ensuring continuous airtight gasket compression, seamless sash operation, and an ultra-narrow visual profile that preserves historic architectural sightlines.
Rigorous field studies by the U.S. Department of Energy (DOE) and the Pacific Northwest National Laboratory (PNNL) show that retrofitting existing single-pane windows with low-E aluminum storm windows achieves 70% to 80% of the energy reduction of complete new double-pane window tear-outs. However, the installed cost of storm window retrofits is typically 70% to 80% lower than full-frame replacement because interior trim, historical wall plaster, and exterior cladding remain undisturbed. Consequently, the commercial payback period for low-E storm windows is compressed to 3 to 7 years, compared to 18 to 30 years for whole-window replacements.
Yes. Because Coastal Industries fabricates all window units on-site at our 77 Newark St plant in Haverhill, MA, we do not force projects into rigid mass-market sizing modules. We custom-engineer master frame profiles, variable blind-stop expanders, dropped sills, and special arch-top caps down to 1/16-inch increments. Our experienced technicians measure every opening's exact plumb, level, and diagonal squareness to ensure airtight, rattle-free installation on historical brick mold, brownstone stone reveals, and historic timber facades.
B2B and institutional tenders should specify compliance with AAMA 1002 (Voluntary Specification for Secondary Storm Products for Windows and Sliding Glass Doors). Key ASTM test metrics include: ASTM E283 for air infiltration rate (demanding <0.30 cfm/ft² at 1.57 psf static pressure), ASTM E330 for structural deflection under design wind load, ASTM E547/E331 for cyclic and static water penetration resistance, and ENERGY STAR storm window performance metrics verifying low-emissivity glass coating properties (U-factor ≤ 0.36; SHGC ≤ 0.40 depending on climate zone).
Exterior aluminum storm windows create an insulating, dead-air pocket directly in front of the primary window. This keeps the interior glass surface significantly warmer during winter, keeping the inside glass surface temperature above the indoor ambient dew point to dramatically eliminate condensation pooling. Coastal Industries’ extruded sills incorporate engineered directional weep baffles that allow gravity drainage of any secondary moisture droplets while preventing exterior wind pressure from driving rainwater backwards into the sill.
Since 1973, Coastal Industries has served as a factory-direct supply partner to the building trades. We provide architects and general contractors with CSI 3-part specification documents, custom CAD shop drawings, factory-direct wholesale pricing tiers, staggered phased job-site deliveries, and professional field measuring services across Massachusetts, New Hampshire, and Maine. Our dedicated New Jersey distribution center (HomeWorks Plus) provides direct distribution throughout NJ, NY, and PA.
Whether you require 20 custom arched storm windows for a historic landmark restoration in Boston or 500 commercial aluminum slider units for a multi-family retrofit in Pennsylvania, Coastal Industries guarantees exact tolerances, on-schedule production milestones, and direct factory technical consultation.
Inquire directly regarding wholesale project bids, contract manufacturing schedules, and custom architectural extrusions.