Paint Environmental Enclosures
For Powder Coat or Wet Processes
Total Containment Rooms

Specifications

"The perfect finish requires the perfect environment" ^sm

PURPOSE: To control temperature and humidity of the powder room and to isolate the powder process from outside dirt contamination, thus insuring the best possible finishing results.

Product Recommendation:

Walls - National's one piece full height "Hi-Wall" Panels (R-13 insulation). Optional 2-hour fire rated design is also used when needed.

Roof - Option 1 Roof panel similar to the walls (R-19)

Option 2 Standard corrugated steel deck with drop ceiling and fiberglass R19 batten

Option 3 Drop ceiling and fiberglass R19 batten only (when close to roof joists)

Note: Steel faced ceiling tiles, National's Clean-tile is the preferred optional ceiling tile.

Typical Design CRITERIA:

1. Buildings should be large enough to operate, clean and maintain the equipment, they should also allow for a forklift to bring the powder into the room.
2. Storage space for powder to bring it to the proper temperature and humidity is important.
3. Buildings are high cube design as needed to allow for easy movement of product on conveyors.
4. Custom wall penetrations can be made to move product via conveyors through the building.
5. Product openings in the wall are designed for the specific product. Large openings will require a tubular steel frame design.
6. Buildings are to have maximum clear span roof design and have a minimum number of column supports as practical.
7. Large door openings (typically a steel framed opening for garage doors) to allow for equipment removal or maintenance can be provided.
8. Man doors are provided.
9. Windows are provided to allow monitoring of the product.
10. Walls and ceilings should be made of smooth easy to clean surfaces. National's stucco embossed steel is considered smooth and perfect for this application. The skins embossing is light enough not to allow buildup and smooth enough for easy cleaning. The embossed steel will hide normal dents and scratches that occur allowing the building to look good for many years. The negative aspect of flat, smooth steel is that it telegraphs every imperfection. This is why National pays extra to have the steel embossed. Vinyl coated ceiling tiles can also be provided.
11. Standard electrical and lighting can be provided however explosion proof or any other specialty items are to be provided by a local contractor.
12. Removable panel sections are available.
13. Floors should be sealed. Tiling should be considered. Vacuum systems for powder spills should also be considered.
14. The room should have positive air pressure to prevent contamination from entering the room. Air velocity should be approximately 120 fpm through any part openings. Air vents should be distributed uniformly through the building and should not exceed 50 fpm, these vents should not be positioned over the booth or next to booth openings.
15. Air conditioning should allow for 60 to 80 degrees Fahrenheit, and 40 -70 % relative humidity.
16. Return air velocity should be less than 50 fpm and filtered to prevent powder as small as 2 microns from entering the exchanger coil.

Feature and benefits:

• CLASS "A" FIRE RATED FOR SAFETY
• INSULATED FOR ENERGY SAVINGS (R-13 walls, R-19 roof or better)
• MOVABLE AND EXPANDABLE FOR FUTURE GROWTH
• CUSTOM DESIGNED TO YOUR SPECIFICATIONS
• DEPRECIATED LIKE EQUIPMENT FOR FAST PAYBACK
• DESIGNED BY A COMPANY MAKING THESE UNITS FOR OVER 25 YEARS
• BACKED BY A 10 YEAR GUARANTEE

Specifications:

Walls up to 40 feet in seamless height...Allows for the fastest and cleanest looking installations for quick start up time. 3" to 6" thick 3-ply sandwich construction. Facings of durable 26 gauge G90 hot-dip galvanized steel with "maintenance free" stucco embossed pattern. Pre-painted with baked acrylic enamel for a long lasting finish. Thermal insulated core of polystyrene or optional isocyanurate for energy efficiency up to R-44.

Connecting Posts - Made from rugged, pre-finished 20 gauge galvanized steel. Two-piece design connected with bolts on 24" centers gives a non-progressive design which allows the removal of individual panels when needed. Trimmed with painted 26 gauge steel feature fillers that snap into posts on each side to conceal the fasteners. These posts also function as a housing for structural inserts for roof load requirements or to conceal any type of wiring needed for the structure. Progressive anodized aluminum H-mull posts are optional.

Clean-Line System - Eliminates the need for a connecting post. Utilizes a hidden spline system as panels are pushed together to allow for one sealable seam.

Base Channels - Continuous painted 20 gauge galvanized steel.

Roofing

Panel system - 3 or 4" thick(depending on span) 3-ply sandwich construction with facings of 26 gauge G90 hot-dip galvanized steel. Stucco embossed pattern. pre-painted with baked acrylic enamel. Thermal insulated foam with 2 lb. density.

Decking system - pre-painted ribbed steel. 30" wide interlocking panels sized to width of structure. One and one-half inch deep corrugation in 22 gauge panels 12' Greater widths are achieved with joists. rubber closure gaskets seal each end.

Ceiling - Mineral board suspended ceiling panels with industrial duty white enameled t-bar grid and hanging wires. 2'x4' acoustical panels are random fissure finished. Lay-in design allows indirect troffer lighting. Panels guaranteed for dimensional stability and are rated class A non-combustible. Steel faced tiles (Clean-Tile) are available.

Doors and Frames - Heavy duty 20 gauge steel doors are 3' x 7' x 1-3/4" thick and are finished to match panels. Frame is to be 16 gauge with continuous gasket for sealing out dust and outside temperatures. Factory pre-hung in panel to insure proper fit. One and one-half pair of 4-1/2" hinges are installed in a mortised frame. Door thresholds and stainless steel lock set are also provided.

Glass - Glazed panels are picture window type, assembled in the frame and located 41" from floor. Tempered glass is standard and options include laminated, insulated, Plexiglas or lexan. Full height, side sliding or single hung are also available.

Electrical - Vertical raceways can be assembled in posts for standard switches, duplex outlets and AC outlets in accordance with layout. 2'x4' lay-in troffer type light fixtures (less bulbs) are provided. Optional pre-wired WIRE-PAK system is available.

CALL TOLL FREE (800) 458-6870

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