Panel Construction

SpecificationsWalkin Cooler
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Walkin Cooler

General

Walk-ins shall be constructed of prefab, precision-formed, modular panels designed for accurate, rapid field assembly. Walk-ins shall be test assembled at the factory. Walk-ins shall be equal to those manufactured by U.S. Cooler.


Drawings & Instructions

Each walk-in shall have a set of installation instructions and lay-out drawing. All panels shall have panel identification corresponding with the lay-out drawing to facilitate rapid and accurate field erection.


Panel Construction

American Walk in Cooler panels shall consist of inner and outer metal skins, a 4" insulation core, and be equipped with cam-action locking devices. The locking devices shall be operable from inside the walk-in and a hex-shaped wrench shall be supplied. Press-fit plug buttons shall be provided to seal wrench holes afte rassembly is complete. Construction shall be as approved by the National Sanitation Foundation International and shall bear the NSF® Seal of Approval.


All panels shall be connected to one another by placing the insulation core of one panel into the core insulation of the adjacent panel. The resultant joint shall be sealed at both sides by double barreled NSF® approved gaskets. In order to avoid future swelling and mold formation, no wood shall be permitted in the manufacture of the panel profile.


Partitions

When specified, walk-ins shall be divided into compartments by the use of panels that are constructed in accordance with the specifications for all panels.


Floor Screeds

American Walk in Coolers provides floor screeds for all floorless walk-ins. The screeds shall be vinyl, and have NSF® approved cove both inside and out. Screeting comes in 10 foot length with 45 degree pre-cut corner sections for ease of installation.


Floor Panel Finish

Metal finish of the panels shall be as follows. All American Walk in Coolers come standard with NSF Approved White finish on the interior and exterior. If specify finish desired, combinations may be used (Iterior or exterior walls, ceilings, and exterior floors).


  • 26 gauge stucco embossed galvalume
  • 26 gauge bright stucco embossed galvanized steel
  • 26 gauge white stucco embossed galvanized steel
  • 26 gauge tan stucco embossed galvanized steel
  • 24 gauge smooth stainless steel Interior floors (when specified)
  • 22 gauge smooth stainless steel
  • 20 gauge smooth galvanized steel (used for use with quarry tile application)

Insulation

American Walk in Coolers offers Panel insulation in Extruded Polystyrene and or Foamed in Place Polyurethane Both systems provide and exceed EISA Federal Energy standards now in force throughout the United States of America.


The benefits of Extruded (XPS):

  • Quicker lead teams for custom designs, combos, coolers and freezers with floor, custom heights, etc. Delivery times are 3-4 weeks from order.
  • Dense insulation actually repels moisture and water vapor transmission unlike other types of insulating materials currently in use. This means that the same high efficiency will remain throughout the life of the coolers and will not degrade over time.

The benefits of Polyurethane:

  • In stock program standard sized floorless coolers can ship in two weeks, many custom sizes can be shipped in three weeks, depending on the changes needed.
  • Has hi-density panel with incredible flexural strength which eliminates the need for structural wood support and framing still used by some of our competitors that use wood framed panels for support.

Coolers

Extruded Polystyrene: All wall and ceiling insulation shall be 4" thick, high quality, rigid extruded polystyrene, 1.6 lb density. K factor of not more than .139 and an R factor of not less than 7.2 per inch, initial fresh R-28.8 minimum total wall R factor. Vapor transmission shall be less than 1 perm and foam core material must meet UL5 flame spread rating with average smoke rating less than 165. (UL723)


Freezers

Extruded Polystyrene: All wall and ceiling insulation shall be 4" thick, high quality, rigid extruded polystyrene, 1.6 lb density. K factor of not more than .125 and an R factor of not less than 8 per inch, initial fresh R-32 minimum total wall R factor. Vapor transmission shall be less than 1 perm and foam core material must meet UL5 flame spread rating with average smoke rating less than 165. (UL723)


Passage Doors

(Standard door is 34"x76"; alternative sizes are available upon request).


Cooler Doors

Door shall be flush and offset mounted, positioned and hinted per drawings. Doors shall be provided with suitable sweep and magnetic gaskets. Door shall be provided with door closer, one pre-wired vapor proof light fixture, light switch with pilot light, dial thermometer, manual internal lock override, chrome plated can lift hinges, and chrome plated door latches with strike. Doors on outdoor walk-ins shall have weather protected light switch and door drip cap.


Freezer Doors

Freezer doors shall be identitical to cooler doors, but with the addition of UL approved heater wire on all four sides. Freezer doors shall include a heated pressure relief port in the adjacent panel.


Door shall be flush and offset mounted, positioned and hinted per drawings. Doors shall be provided with suitable sweep and magnetic gaskets. Door shall be provided with door closer, one pre-wired vapor proof light fixture, light switch with pilot light, dial thermometer, manual internal lock override, chrome plated can lift hinges, and chrome plated door latches with strike. Doors on outdoor walk-ins shall have weather protected light switch and door drip cap.


Glass Doors

(When specified)
Glass door openings shall be provided as necessary for the doors being installed. Sill height shall be per customer specification. Wood framing of the opening shall be required to assist with the installation of the glass doors.


Rain Roof Package

(When specified)
(For use on walk-ins installe doutisde)
(Specify whether walk-in is free standing or which wall is butted) A single-ply Dura-Last membrane roof shall be supplied to provide a water resistant covering of the ceiling panels. Membrane material shall be provided in one complete roll designed for the size of the walk-in. No welding of seams shall be required for installation.