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"Thermal Guard" Insulated Service Doors
When an application requires weather protection the R&S "Thermal Guard" steel rolling service door is the right choice. Constructed using laid-in-place polyurethane insulation the curtain is an effective barrier against the elements. Rain, dust and wind are kept at bay by vinyl weatherstripping at the footpiece, guides and hood. Designed for sizes up to 30' wide and 28' high with a 22 gauge exterior slat and a 24 gauge back slat these doors are constructed to stand against the elements.
All R&S doors are designed to withstand up to 80 mph winds and can be upgraded for more severe weather conditions. Curtains can be ordered in standard grey or in tan with contrasting black guides and footpiece. A galvanized steel finish is also offered providing the look and protection of stainless steel without the cost.
[Insulated Commercial Rolling Door - R&S Thermal Guard]
"Thermal Guard" Insulated Service Door Specifications
Part 1 General
A. Service doors excluding design, construction and preparation of openings; finish or field painting; access panels; electrical wiring, conduit, wire, fuses and disconnect switches
A. Windload: Service doors are designed to withstand a minimum 20 PSF windload. (1)
B. Usage: Service doors are designed to operate a minimum of 20,000 cycles. (2)
Part 2 Products
A. Manufacturer: R & S Manufacturing, model I ___
B. Mounting: Interior or exterior face of wall or between-jamb
C. Operation: Chain hoist is standard; push-up (small sizes), awning crank, crank box or motor operation are optional.
D. Curtain: Interlocking type 25 flat slats are roll formed from galvanized steel coil. Gage of slats is as required to meet windload. Polyurethane foam, 3/4" thick, is laid in place for complete coverage and concealed by a 24 gage back slat (22 gage back slat optional). Endlocks are riveted to slats to maintain curtain alignment. Windlocks are riveted to slats when required to meet windload. Bottom of curtain is reinforced by an extruded aluminum or double steel angle footpiece with astragal.
E. Guides: Structural steel angles form curtain guides and are bolted to structural steel wall angles. Sizes of guides are as required to retain curtain under windload. Windlock bars are provided when windlocks are required to meet windload. Vinyl guide weatherstripping against the flat-faced side of the slats is standard (wool pile, brush, or weatherstripping on both sides of the curtain are optional).
F. Brackets: Steel plate brackets are bolted to wall angles to support curtain and barrel and provide mounting for hood.
G. Barrel: Minimum 6" diameter steel pipe houses torsion spring assembly and supports curtain with a maximum deflection of .03 inch per foot of width. Torsion springs are mounted on a continuous cold rolled steel shaft, adjustable by a tension wheel outside one bracket.
H. Hood: Formed from minimum 24 gage galvanized steel sheet, reinforced with top and bottom flanges to limit deflection. Internal vinyl hood baffle is standard. Intermediate support is provided when required.
I. Locking: Chain lock with chain operation and slidebolt locks with push-up or crank operation.
Part 3 Execution
A. Service doors are to be installed by an R & S authorized representative in accordance with R & S installation instructions.
(1) Standard design will allow the rolling door to be operable after having been subjected to a uniform constant load of 20 PSF. Curtain slat deformation may occur and there is no guarantee of operability while under load unless such a requirement is stated by the specifier. Windload forces acting on the rolling door slats may cause severe loadings at the jambs. The building door jamb construction (walls, steel structure, etc.) must be designed to withstand the anticipated loads.
(2) Frequency requirements must specify for the door operator and all components a fixed number of cycles for an expressed period of time and include a sealed counter device. A cycle is defined as an action on the door from fully closed, to the fully open, and returned to the fully closed position.
"Thermal Guard" Insulated Service Door Options
Increased Windload Capacity: curtain designs to withstand windloads exceeding 20PSF
High Cycle Construction: designs to provide up to 150,000 operating cycles or maximum possible in design
Vision Lites: single or multiple 3" wide cutouts with 3/4"thick acrylic in opening
Sloped or Stepped Footpiece: for special sill conditions
Cylinder Locks: on footpiece or guide
Pass Door: 3'-0" x 7'-0" x 1 3/4" thick hollow metal grey primed (black optional) door in a steel frame for access through the curtain when closed; frame is hinged to guide and swings clear to allow use of entire door opening when curtain is raised; Standard hardware includes lever lock with optional deadbolt; handicap option, custom sizes, windows and special hardware available
[Wicket Door Example]
For pass door specifications - click here
[Pass Door in-Curtain]
Galvanized Finish: on footpiece, guides, brackets and barrel
Safety Bearing: This unique safety device functions as both a bearing and inertia brake for motorized service doors and grilles. The safety bearing is designed to prevent the curtain from free-falling if there is damage to or failure of the motor operator, drive chain or spring assembly. If a malfunction occurs and the downward speed increases to an unsafe rate, the inertia brake absorbs the added energy and safely stops the load.
Powdercoat Finish: a durable and decorative finish for steel or aluminum surfaces. It provides longer life and requires less maintenance than a standard finish. Powder coating is available in a variety of colors for use on many products. Consult factory for color selection, applications and limitations.
"Thermal Guard" Insulated Service Door Model Designations
By Method of Operation - Face of Wall Mount
IFC - Chain
IFM - Motor
Due to the increased weight of insulated curtains, push-up or crank operation is not recommended.
"Thermal Guard" Mounting Details & Clearance Chart
[Thermal Guard Mounting Details]
[Clearance Chart for Type 25 Large Flat Slat]
Head Room Requirements
Reduce 'Z' by 2" with top hood flange turned down
Side Room Requirements
Opening Width 'W'
Over 15' Thru 24'
R/H chain operation as shown - reverse 'X' & 'Y' for L/H
"Thermal Guard" Steel Rolling Service Door Slat
#25 Flat Slat
[Slat 18 Detail]
Slat Shown with Insulation
Standard flat slat for use on all service doors where environmental conditions are a consideration. Available in 24, 22, 20, or 18 gage galvanized steel. Also for use on all fire doors, especially those requiring gaskets.
Steel slats are galvanized per ASTM standards, treated for paint adhesion and pre-finished before forming with a prime coat and baked-on grey or tan polyester top coat.
Service Door Standard & Optional Features
6" minimum diameter
structural steel pipe barrel
Oil tempered torsion springs on continuous cold-rolled steel shaft
[Service Door Features]
Prime-painted galvanized steel hood
Steel plate brackets attach to wall angles
Chain operation with cast iron gears
Formed steel channel or structural steel angle guides and continuous wall angle mounting
Interlocking prime painted galvanized steel slats
Double steel angle footpiece with astragal
Extruded aluminum footpiece with astragal
Face of Wall Mount
(channel guide shown)
Optional Between-Jamb Mount
Face of Wall Mount
(Optional Angle guide shown)
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