Architectural Specifications
Issued: April 2018
Page 1 of 2
WALK-IN SPECIFICATIONS
General
Walk-in coolers and freezers shall be prefabricated of modular design and construction. They shall be
designed and constructed to allow fast and easy field assembly, disassembly and enlargement by the
addition of panels.
Panel Fabrication
Standard wall, ceiling and floor panels shall be fabricated in 47” and 23” in width and shall be
interchangeable with like panels. Partition and other panels placement shall be within 1/2”
increments to meet job site conditions.
Available standard height with floor panels: 6’-6”, 7’-7”, 8’-7” . Available standard height without
floor panels with NSF vinyl screed: 6’-2”, 7’-2”, 8’-2”. Panels shall consist of Extruded Polystyrene
(XPS) rigid foam insulation, bonded permanently to interior and exterior metal “skin”. Tongue and
groove edges of panels shall be of the same panel core insulation with non-corrosive thermoplastic
cam-action panel fastener. NSF approved compression gasket shall be applied to the tongue side of all
panels on both interior and exterior.
Floor Construction
Floor panels: Shall be fabricated similar to other panels and shall be designed to withstand uniformly
distributed load of 700 lbs per square foot, suitable for foot traffic. 1,300 lbs per square foot suitable
for light rolling cart traffic. The ULTIMATE with load bearing capacity of 2,750 lbs per square foot,
suitable for hand pallet jack application.
Floorless: Provided with NSF vinyl screeds. Screed will be coved with 1/2” radius, designed to sit flat
on a finished tile/concrete floor. Screed shall be lag fastener to floor.
Insulation
Insulation shall be 4” thick, rigid Extruded Polystyrene (XPS) foam closed cell, void free, hydrophobic
or high resistance to water abortion as tested in accordance to ASTM C272 classified to UL 723 (ASTM
E84). Core material has a flame spread of 15 or less and a smoke developed of 165 or less. Self
ignition temperature of 896 degree Fahrenheit and flash ignition temperature of 734 degree
Fahrenheit as tested in accordance with ASTM D 1929. Standard with a 50 year R-value warranty.
Thermal resistance: For Coolers R-25 minimum (reported at 55 F mean temperature). For freezer R-
32 minimum (reported at 20 F mean temperature). Floor R-30 minimum.
Architectural Specifications
Issued: April 2018
Page 2 of 2
Entrance Door
Each walk-in shall be fitted with one 36” x 76” swing-type entrance door. Door shall be flush type,
bearing the UL seal of approved. Door shall be equipped with two adjustable spring-assisted hinges,
deadbolt locking handle with safety inside release, magnetic gasket, door closer, and a double sweep
wiper at the bottom edge of door. Door jamb shall be provided with a LED light fixture center
mounted, digital thermometer with safety pilot light on-off switch and conduit between switch box
and outlet junction box.
Freezer door include a heater cable with heat sensing regulating thermostat and a heated pressure
relief vent.
Metal Finish
Standard 26 gauge Acrylume ( acrylic coated galvalume) stucco embossed on the interior and exterior
on wall, ceiling and exterior of floor panels. Interior of floor panels shall be smooth stainless steel and
optimal texture stainless steel.
Refrigeration
Heatcraft Worldwide BOHN refrigeration (preferred vendor). Condensing units and evaporators shall
be factory pre-wired and pre-assembled. New 1/2HP to 6HP air cooled condensing unit with
exclusive HYPERCORE microchannel coil technology that uses less refrigerant, saves energy, reduces
operational cost, improves durability and system performance.
Approvals
- National Sanitation Foundation (NSF), Standard No. 7
- Department of Energy (DOE) compliance and certified, 6/2017
- City of Houston Fabrication Certificate No. 694
- Oregon State Component Insignia Compliance No. M-PFC 688
- New York City approval MEA113-87-M
- Miami-Dade County, Outdoor Hurricane High Velocity Wind (170 mph) NOA #17-0802.12
- State of Florida, Outdoor Hurricane High Velocity Wind (170 mph) #FL 22413
