American Garage Door Supply, Inc.
Insulated Washbay Garage Doors

Insulated Washbay Garage Doors

The insulated door for wet environments

Since 1989 Designed and built in Bemidji, Minnesota National dealer network

A heated wash bay in a northern winter is a fight between your furnace and your bay door. Every cycle dumps warm, wet air outside and pulls freezing air in, and an uninsulated bay door keeps losing heat even when it is closed. Our 3" insulated washbay doors are built for that exact fight: sandwich-type, high-strength sections with maximum thermal protection, corrosion resistance, and minimal maintenance.

This is where American Garage Door Supply started: the Insulated Washbay Door was the first door model we developed for the car, truck, and bus wash market. Designed for high-use, high-moisture applications that require a heavy-duty insulated section, these doors hold conditioned air where you paid to put it, keep interior surfaces warmer so they dry faster, and stand up to the daily soak-and-cycle routine that destroys light-duty insulated doors.

Why It Works

  • 3" insulated sandwich-style panels rated R-17.
  • Maximum thermal protection for climate-controlled wash bays.
  • Corrosion-resistant materials throughout.
  • Heavy-duty construction for daily commercial use.
  • Warmer interior surfaces dry faster between cycles.
  • Protects livestock, product, vehicles, and equipment, so ag buildings get the same door the wash bays do.

How the Section Is Built

The section is a true thermal sandwich: closed-cell insulation bonded between steel skins, with thermal breaks at every path cold could take through the panel.

Cross-section drawing of the 3 inch insulated washbay door section showing the tongue and groove joint, vinyl thermal break, extruded polystyrene insulation, galvanized steel skins, and astragal in its aluminum holder
  • Tongue-and-groove joint locks sections together and closes the meeting-rail gap the wind would otherwise find.
  • Vinyl thermal break separates the interior and exterior skins, so cold has no straight metal path through the panel.
  • 3" extruded closed-cell polystyrene core, pressure bonded to the skins, rated R-17. It absorbs far less moisture than bead-board insulation, which matters in a room that is wet every day.
  • Hot-dipped galvanized steel skins on both faces, pebble textured.
  • Bottom astragal rides in an aluminum holder and seals the floor line.
  • Weatherstripping between each section keeps the stack weathertight from top to bottom.

Specification Highlights

  • 3" extruded polystyrene insulated sections, R-17
  • Tongue and groove meeting rails
  • 26 ga pebble-texture steel skins, with five section colors to choose from
  • 3" angle-mounted track, up to 4' high-lift
  • Extended 1" solid keyed shaft
  • Headplates on most high-lift track configurations
  • High-cycle springs rated up to 100,000 cycles
  • Bottom vinyl bulb weatherseal
  • Available with stainless hardware

Wash Bay Door Sizes & Planning Numbers

Published sizes 10', 12', 14', and 16' widths, in heights from 8' to 16'.
Headroom Standard lift on 3" track with 15" radius needs 18". Low-headroom front and rear mount configurations are available.
Operator allowance Add 6" of headroom for a NuMax air operator.

New to headroom, high lift, and track radius? The track configuration guide covers every configuration we build, with diagrams.

Engineered for the Environment

Insulation That Holds Its R-Value
Extruded, high-density, closed-cell polystyrene keeps its R-value over time and absorbs far less moisture than expanded bead-board type products, which matters in a room that is wet every day. It is pressure bonded to the skins, so the panel works as one piece.
Commercial Steel Skins
Interior and exterior skins are commercial-grade pebble-textured steel, roll-formed from hot-dipped galvanized stock, with five section colors to choose from.
Rails That Shed Water
Tongue and groove meeting rails are beveled to shed moisture and eliminate water traps, which reduces section delaminating caused by freezing.
Heavy-Duty End Stiles
Commercial 16 ga galvanized steel with a vinyl thermal break, so the stile is not a highway for cold straight through the section.
Thermal Barriers Throughout
Thermal breaks between the interior and exterior skins, at the end stiles, and in the between-section seals give the door a thermally tight seal instead of a well-insulated panel with cold edges.
Hardware Options
Platinum, Gold, and Silver hardware packages are offered, and stainless packages extend service life where chemistry and humidity are constant.

Counterbalance: How the Door Carries Its Own Weight

Insulated washbay doors run a torsion spring counterbalance matched to the section weight and the bay's cycle count.

Torsion Spring System

Torsion Spring System

High-cycle models rated up to 100,000 cycles are available, in standard hot-dipped galvanized wire or rust-resistant stainless steel wire for daily washdown duty.

Choose it when: Every insulated washbay door. Spring selection follows the daily cycle count.

Hardware Package Options

The tiers differ in one variable: how much of the load path is stainless. Read down the exposure, not down the price. Silver and up all run 3" track, stainless cable, a solid keyed torsion shaft, greaseable bearings, and Magnum rollers.

Platinum

Premium model. Maximum corrosion resistance, stainless steel throughout.

  • Hinges/Hardware: 12ga stainless
  • Track: 3" heavy-duty stainless steel
  • Bearing Plates: 12ga stainless
  • Shaft: solid, keyed stainless steel
  • Drums: specialty coated
  • Couplers: specialty coated
  • Bearings: greaseable, stainless
  • Cable: 5/32" stainless steel
  • Rollers: Magnum SP
  • Fasteners: stainless steel
  • Torsion Springs: stainless steel

Gold

Deluxe model. Heavy-duty galvanized track with stainless components.

  • Hinges/Hardware: 12ga stainless
  • Track: 3" heavy-duty galvanized
  • Bearing Plates: 12ga stainless
  • Shaft: solid, keyed stainless steel
  • Drums: specialty coated
  • Couplers: specialty coated
  • Bearings: greaseable, stainless
  • Cable: 5/32" stainless steel
  • Rollers: Magnum
  • Fasteners: stainless steel
  • Torsion Springs: galvanized

Silver

Competitive model. Galvanized hardware on 3" heavy-duty track, with stainless cable.

  • Hinges/Hardware: 11ga galvanized
  • Track: 3" heavy-duty galvanized
  • Bearing Plates: 11ga galvanized
  • Shaft: solid, keyed, galvanized
  • Drums: cast aluminum / cast iron
  • Bearings: greaseable, standard
  • Cable: 5/32" stainless steel
  • Rollers: Magnum
  • Fasteners: galvanized
  • Torsion Springs: galvanized

Build It for Your Bay

Every door is configured to order. These are the options we quote most often.

Window Lites

Window Lites

Insulated glass lites bring daylight into the bay: three lites across a 10' or 12' door, four across 14', five across 16', in 7", 12", or 15-1/2" heights. A full-vision insulated glass section is also available.

Five Section Colors

Choose from five section colors so the door matches the building. Ask for the current color chart when you quote.

Stainless Hardware Packages

Stainless Hardware Packages

Track, springs, bearing plates, bearings, shafts, cable, face hardware, and fasteners in stainless steel for bays where chemistry never lets up.

High-Cycle Springs

High-Cycle Springs

Spring packages rated up to 100,000 cycles for automatic washes and high-traffic bays.

Brush Weatherseal

Brush Weatherseal

Perimeter brush seal upgrade tightens the opening against wind-driven spray and heat loss.

Where This Door Earns Its Keep

Anywhere you heat the building, wet the room, and cycle the door all day.

Ag-Ready mark: dairy, swine, poultry, beef, crops

Commercial

  • Car & truck washes
  • Auto dealerships
  • Service stations
  • Ambulance centers
  • Salt sheds
  • Marine environments

Agricultural

  • Livestock facilities
  • Poultry farms
  • Dairy operations
  • Vegetable warehouses
  • Fertilizer plants
  • Farm service shops

Industrial

  • Food processing
  • Cold storage
  • Chemical plants
  • Manufacturing plants
  • Material handling
  • Cement yards

On the Job

Grey steel car wash building with two white insulated washbay doors in winter
A northern wash in winter, which is exactly the fight this door was built for.
White insulated washbay door inside a lit wash bay with an exit only sign
Holding conditioned air at the exit bay.
White insulated washbay door with a row of window lites
Window lites bring daylight in without giving the heat away.

Quoted Together

Doors, operators, and hardware are quoted as one system, because in a wash bay they fail as one.

Plan the Opening, Not Just the Bay Door

The door is one line on the drawing. Our guide to sizing a commercial wash bay door covers the clear-opening math, and the garage door track configurations guide shows what each layout needs in headroom and backroom before the walls go up.

If the bay is heated, spec the heat source with the door. An insulated bay door holds the warmth, and an infrared tube heater puts it back into the slab after every cycle, which is what keeps surfaces drying between vehicles.

Heating a bay this winter?

Tell us the bay size, how it is heated, and how hard it cycles. We will recommend the insulated door package that keeps the heat inside and survives the moisture that comes with it, and match the hardware model to the exposure.

Not sure where to start?

Same form for quotes, parts, and service. Partial project info is a fine place to start, and we will follow up with the questions that matter.

The fastest way for us to reach you with answers.

Opening size, door count, cycle frequency, headroom. Whatever you have is plenty to start.

We respond within one business day. Your info goes to our team only.