Products / Door Systems

Bifold Door

Folding panel door systems used to open large wall sections.

Bifold door systems use hinged panels that fold and stack to one or both sides, creating a broad clear opening with a compact stack. They are used for residential moving walls, pass-through bars, restaurants, and flexible commercial fronts. Hardware quality is critical because each panel depends on hinges, carriers, tracks, and guides working together under repeated movement.

Configurations

How It Comes

Exterior Bifold

Thermally broken or weather-rated folding panels for patios and terraces.

Pass-Through Bifold

Shorter counter-height folding panels for kitchens, bars, and service openings.

Corner Bifold

Two folding systems meet at a corner for a broad open-air condition.

Commercial Bifold

Heavier-duty track and carrier systems for high-cycle commercial use.

Applications

Where It's Used

Large Patio Openings

Bifold Door products are commonly selected for large patio openings where the product configuration, performance rating, and installation condition fit the project.

Bar And Kitchen Pass-Throughs

Bifold Door products are commonly selected for bar and kitchen pass-throughs where the product configuration, performance rating, and installation condition fit the project.

Restaurants

Bifold Door products are commonly selected for restaurants where the product configuration, performance rating, and installation condition fit the project.

Flexible Commercial Fronts

Bifold Door products are commonly selected for flexible commercial fronts where the product configuration, performance rating, and installation condition fit the project.

Selection Guide

How To Specify It

Use these checkpoints when comparing quotes, reviewing submittals, or deciding whether this product type fits the opening.

Top-Hung Versus Bottom-Rolling Hardware

Compare top-hung versus bottom-rolling hardware across manufacturers before selecting a bifold door. Small differences here often change installation cost, serviceability, or long-term performance.

Panel Stack Location

Compare panel stack location across manufacturers before selecting a bifold door. Small differences here often change installation cost, serviceability, or long-term performance.

Threshold Profile

Compare threshold profile across manufacturers before selecting a bifold door. Small differences here often change installation cost, serviceability, or long-term performance.

Weather And Insect Control

Compare weather and insect control across manufacturers before selecting a bifold door. Small differences here often change installation cost, serviceability, or long-term performance.

Frame Material

Wood Bifold Door

Wood provides warmth, repairability, and traditional detailing for premium doors, but it needs finish maintenance and careful moisture protection.

Advantages
  • Warm interior appearance
  • Repairable and refinishable
  • Strong custom profile options
Considerations
  • Requires maintenance
  • Can move with humidity
  • Needs excellent sill and flashing details

Frame Material

Fiberglass Bifold Door

Fiberglass door panels resist dents, rot, and weathering while offering good insulation and wood-grain appearance options.

Advantages
  • Low maintenance
  • Good thermal performance
  • Strong weather resistance
Considerations
  • Premium lines cost more
  • Limited field modification
  • Finish quality varies by manufacturer

Frame Material

Aluminum Bifold Door

Thermally broken aluminum frames suit modern, commercial, and large glass door systems where strength and slim sightlines matter.

Advantages
  • Strong and durable
  • Slim profiles
  • Wide finish palette
Considerations
  • Thermal break is critical
  • Higher cost
  • Can feel cold with poor detailing

Frame Material

Aluminum Clad Wood Bifold Door

Clad wood combines a wood interior with a protected exterior, a common premium choice for hinged and large glazed patio doors.

Advantages
  • Premium interior
  • Durable exterior cladding
  • Many exterior colors
Considerations
  • Higher initial cost
  • Cladding joints need drainage
  • Repairs can be more specialized

Frame Material

Steel / Composite Bifold Door

Steel and engineered composite doors prioritize security, value, and durability in entry and utility applications.

Advantages
  • Strong security potential
  • Cost-effective options
  • Stable engineered cores
Considerations
  • Dents or edge damage need repair
  • Thermal performance varies
  • Finish scratches can expose substrate

Performance & Ratings

At a Glance

Primary specification focus
Panel width, carrier capacity, hinge spacing, track support, threshold drainage, locking points, and stack clearance
Performance ratings
Air, water, structural, forced-entry, accessibility, and energy ratings where applicable
Common standards
AAMA/WDMA/CSA 101/I.S.2/A440, NFRC 100/200, ASTM E283, ASTM E330, ASTM E331, ANSI/BHMA where hardware applies
Documentation to request
Product data, installation instructions, warranty, test reports, shop drawings for custom or large openings
Coordination point
Confirm final dimensions, substrate conditions, accessories, and code requirements before ordering

Project Coordination

Details To Confirm Early

01

Confirm rough opening and load path

Large and heavy door systems depend on plumb jambs, a level sill, and headers that stay within deflection limits.

02

Coordinate threshold water management

Sill pans, drainage paths, exterior slope, and accessibility requirements must be resolved before ordering.

03

Verify hardware and screen clearances

Handles, locks, closers, shades, and screens can conflict with trim, furniture, or adjacent panels if not coordinated.

Product Questions

Common Questions

What should I compare first when selecting bifold door?

Start with the operation or glass makeup, then verify performance ratings, installation conditions, accessory compatibility, and warranty limits for the exact product series.

Can bifold door be used in any opening?

No. Size, exposure, code requirements, frame capacity, hardware, and installation details determine whether a product is appropriate for a specific opening.

What documents should I ask for before ordering?

Request product data, installation instructions, warranty terms, available test reports, and shop drawings for custom sizes, large assemblies, or code-sensitive conditions.

Related Resources

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