Series B425 Non-Thermal Aluminum Storefront System

Boyd's Series B425 is a non-thermal commercial aluminum storefront framing system engineered for various storefront configurations and numerous applications. The ASTM-tested system has a 2" × 4.5" profile and 1/4" maximum glazing capacity and is available with Boyd's proprietary extrusions, accompanying vents, entrance coordination, and the storefront-system accessories needed to complete the selected opening.

Boyd storefront representatives can assist with B425 product selection, storefront layouts, entrances, vents, accessories, finishes, fabrication requirements, installation planning, and order preparation for all installation jobs—including rush jobs that require expedited shipping. Boyd can accept the order, carefully package the products, and ship the storefront in days. A full inventory of storefront-system accessories also allows Boyd to prepare, package, and ship accessory orders anywhere in the United States while cutting normal delivery times in half. To discuss project details, place an order, or order storefront accessories, call 800.737.2800.

Series B425 Storefront Product Details

Series B425 dimensions, glazing capacity, thermal designation, and published ASTM performance:

Series B425 Product Data and Downloads

Use the current Boyd resource links below for B425 detail drawings, product specifications, storefront performance charts, installation instructions, related storefront systems, entrances, accessories, and finishes.

When to Use the Series B425 Storefront System

• Standard commercial storefront openings where a non-thermal aluminum framing path is appropriate for the project.

• Low-rise, ground-level, single-story glazed openings requiring a 2" face, 4.5" frame depth, and 1/4" glazing.

• Storefront elevations requiring flush-glazed framing, inside- or outside-glazed details, proprietary extrusions, and coordinated storefront accessories.

• Retail, office, institutional, renovation, replacement, interior, or other commercial storefront applications where thermal performance is not the controlling selection factor.

• Projects requiring a wider face dimension than the Series B350 while retaining a compact 4.5-inch depth and 1/4-inch glazing.

• Fixed storefront glazing coordinated with commercial aluminum entrance doors, sidelites, transoms, thresholds, hardware, finishes, vents, and accessories.

• Rush-order storefront and accessory work where Boyd's inventory, sales support, packaging, nationwide shipping, expedited service, and ship-in-days capability can help meet the installation schedule.

Choosing a Boyd Commercial Storefront System

You are viewing the B425 non-thermal storefront system with a 2" face and 1/4" glazing. Storefront selection should start with the required thermal tier, face dimension, frame depth, glass plane, glazing thickness, entrance needs, ventilation, finish, water-management details, wind load, and opening conditions. Review the related systems below when the project requires a narrower face, thicker glazing, a thermal barrier, XT dual-thermal construction, a front-set glass plane, historic-replica framing, or zero-sightline ventilation.

Series B425 Storefront System Advantages

• Engineered for various storefront configurations, making the system suitable for numerous commercial applications.

• The 2-inch face provides a wider storefront profile than the Series B350 while retaining a 4.5-inch frame depth and 1/4-inch maximum glazing.

• Published ASTM performance includes 0.01 CFM/FT. air infiltration at 6.24 psf, 8.00 psf water resistance, and 30.08 psf structural performance.

• A compact 2" × 4.5" storefront profile accommodates glazing up to 1/4" thick.

• B425 fabrication resources and storefront performance charts support frame assembly, mullion, reinforcement, shop-drawing, and installation planning.

• Boyd proprietary extrusions and storefront accessories support heads, jambs, sills, horizontals, vertical mullions, corners, fillers, subsills, entrances, glazing, anchoring, and perimeter conditions.

• B425 storefront performance charts support mullion, opening-size, wind-pressure, and reinforcement review.

• Available with accompanying vents, storefront entrance coordination, and the accessories required for the selected storefront condition.

• Anodized and AAMA 2604 or AAMA 2605 organic finish paths can be coordinated with storefront framing, entrances, exposed accessories, and adjacent materials.

• Boyd representatives support storefront selection, layouts, specifications, drawings, accessories, entrances, order preparation, packaging, and installation planning.

• A full inventory of storefront accessories supports preparation, careful packaging, nationwide shipping, and shorter normal delivery times.

• Rush jobs and expedited shipping can be coordinated, with carefully packaged storefront orders shipped in days.

Common Series B425 Storefront Coordination Items

• Thermal strategy: B425 is a non-thermal storefront system. Confirm that a non-thermal framing path is appropriate for the building envelope, glazing, entrance, energy-code, condensation, and adjacent-wall requirements before final selection.

• Storefront versus curtain wall: Storefront framing is typically used at low-rise, ground-level, single-story openings. When the elevation spans multiple stories, crosses floor lines, requires greater movement accommodation, or exceeds typical storefront conditions, review curtain-wall framing instead.

• Glazing: Confirm the 1/4" maximum glass makeup, safety glazing, coatings, tint, heat treatment, edge conditions, setting blocks, gaskets, glazing stops, and glass availability.

• Fabrication and shop drawings: Coordinate the required extrusions, fasteners, drill requirements, cut lists, shop drawings, frame assembly, opening identification, and field installation sequence before release.

• Air performance: The Series B425 provides 0.01 CFM/FT. air infiltration at 6.24 psf. Coordinate storefront dimensions, glazing, mullions, anchorage, fabrication, and installation with the project requirements.

• Water and structural performance: The Series B425 provides 8.00 psf water resistance and 30.08 psf structural performance. Coordinate opening dimensions, mullion spacing, reinforcement, glazing, anchorage, and installation with the required project pressures.

• Mullions and spans: Coordinate opening width and height, mullion spacing, wind pressure, reinforcement, expansion conditions, anchors, glass limits, and intermediate horizontals. Performance charts are design aids and final limitations should be reviewed by the project engineer.

• Water management: Coordinate subsill, end dams, sill flashing, weep paths, glazing pockets, perimeter sealants, backer materials, thresholds, adjacent construction, and field drainage conditions.

• Entrance integration: Coordinate door series, door pairs, entrance frames, sidelites, transoms, thresholds, panic hardware, closers, access control, clear openings, accessibility, glazing, and finish before release.

• Ventilation: Confirm the selected vent, B425 compatibility, thermal strategy, glazing, sightlines, screen requirements, operating hardware, interior and exterior clearance, and water-management details.

• Anchoring and perimeter conditions: Verify rough openings, field dimensions, substrates, anchors, fasteners, shims, perimeter joints, sealants, dissimilar-material isolation, trims, adaptors, and accessory scope against approved shop drawings.

• Finish and protection: Coordinate anodized or organic finish, color samples, warranty, exposed fasteners, entrance hardware, accessories, adjacent materials, jobsite protection, cleaning, and touch-up requirements.

• Inventory, shipping, and installation sequence: Provide storefront and accessory quantities, required delivery date, opening priorities, packaging or sorting needs, site access, storage plan, fabrication responsibility, and installation sequence when expedited shipping or a rush order is required.

What to Send Boyd for a Series B425 Storefront Review

Send as much of the following project information as available:

• Project name, location, bid deadline, required response date, construction schedule, installation dates, and project contacts.

• Architectural drawings, elevations, storefront schedules, door schedules, hardware schedules, specifications, Division 08 requirements, and opening dimensions.

• Confirmation that a non-thermal B425 storefront system is appropriate, along with the required 2-inch face, 4.5-inch frame depth, 1/4-inch maximum glazing, storefront configuration, fabrication scope, and installation responsibility.

• Glass makeup, 1/4" glazing requirements, safety glazing, coatings, tint, heat treatment, setting blocks, gaskets, glass stops, and glazing responsibility.

• Design pressures, 0.01 CFM/FT. air infiltration at 6.24 psf, 8.00 psf water resistance, 30.08 psf structural performance, mullion spacing, reinforcement, expansion, anchorage, and project-engineer requirements.

• Storefront entrance requirements including selected door series, single doors or pairs, sidelites, transoms, thresholds, bottom rails, mid-rails, panic hardware, closers, access control, accessibility, and clear-opening requirements.

• Vent requirements, screen needs, operation type, hardware, glazing, sightline, thermal, and storefront-compatibility requirements.

• Subsill, end-dam, sill-flashing, weep, perimeter-sealant, backer, anchor, fastener, substrate, adaptor, trim, and adjacent-construction details.

• Finish system, color, samples, warranty, accessory finish, entrance finish, exposed-fastener requirements, and adjacent-material coordination.

• Order quantities, extrusion or fabricated-frame scope, proprietary components, accessory package, delivery address, rush-order timing, packaging, opening-by-opening sorting, and installation sequencing needs.

Related Storefront, Entrance, Vent, and Architectural Resources

• Commercial aluminum storefront systems for non-thermal, thermally broken, XT dual-thermal, historic-replica, and vent selection guidance.

• Commercial aluminum storefront doors and entrance systems for narrow-, medium-, wide-, and XT thermal-stile door coordination.

• Series SV100 Zero-Sightline Vents for compatible storefront and curtain-wall openings requiring operable ventilation with minimal visual interruption.

• Commercial storefront and window accessories for subsills, mullions, adaptors, anchors, trim, perimeter components, and installation coordination.

• Storefront and curtain-wall applied architectural muntins for divided-lite, simulated-steel, and historic-grid appearance.

• Commercial curtain-wall systems for elevations that extend beyond typical storefront height, movement, anchorage, or multi-story conditions.

• Commercial aluminum finish options for anodized, painted, and project-specific storefront, entrance, and accessory finishes.

• Commercial storefront project resources for installation guidance, quote forms, job-information forms, terms, warranty references, and service documents.

• Architectural resources, CAD details, product specifications, and project support for project documentation.