Service Doors

• SD,D,W,I – Service doors are designed to withstand a minimum 20 PSF
  windload.

•  SD – One year or 12,500 cycles.
• D,W,I – Two years or 20,000 cycles

• SD,D,W,I – Chain hoist is standard; push-up (small sizes), awning crank,
  crank box or motor operation are optional.

• SD,D,W,I – Galvanized steel slats with baked on gray polyester primer
  standard. Tan or uncoated galvanized finish available upon request.
• SD – 24 gage slats with stamped steel endlocks.
• D,W – 22,20,18 gage slats, as required to meet windload, with stamped
  steel endlocks. Windlocks are riveted to slats when required to meet
  windload.
• I – Same construction as D and W models with the addition of ¾” laid in
  place polyurethane or polystyrene foam concealed by 24 gage backslat

• SD,D,W,I – Extruded aluminum footpiece with astragal standard up to 16’
  wide
• D,W,I – Double steel angle footpiece with astragal standard over 16’.
  Painted with rust inhibiting black primer.

• SD – Steel channels bolted to structural steel wall angles. Painted with rust
  inhibiting black primer.
• D,W,I – Structural steel angles bolted to structural steel wall angles.
  Windlock bars are installed when windlocks are required to meet windload.
  Painted with rust inhibiting black primer.
• W,I – Climate and Thermal-Guard models also include vinyl guide
  weatherstripping against the flat-faced side of the slats.

• SD,D,W,I – Steel plate brackets are bolted to wall angles to support curtain
  and barrel, and provide mounting for hood. Painted with rust inhibiting
  black primer.

• SD,D,W,I – Steel plate brackets are bolted to wall angles to support curtain
  and barrel, and provide mounting for hood. Painted with rust inhibiting
  black primer.

• SD,D,W,I – minimum 6” diameter steel pipe houses torsion spring assembly
  and supports curtain. Torsion springs are mounted on a continuous cold
  rolled steel shaft, adjustable by a tension wheel on the outside of bracket.

• SD,D,W,I – Formed 24 gage galvanized steel sheet, with baked on gray
  polyester primer reinforced with top and bottom flanges to limit deflection.
  Intermediate support is provided when required.
• W,I – Internal rubber baffle hangs against curtain to reduce air infiltration

• SD,D,W,I – Chain lock with chain operation and slidebolt locks with push-up
or crank operation standard.