Acudor Access Doors - Service Stair

Application

Acudor Service Stair Roof Hatches are designed to provide convenient, economical access to the roof of a building from a full size staircase to perform maintenance.

Features RHA & RHG

Weather tight construction
Convenient one-hand operation
12" high insulated curb
Supports 40lbs./sq. ft. live load

Optional Features RHA

Painted and Anodized finishes
Polycarbonate domes for daylighting
Louvered Curbs
Curb Mounted Units
Curb pitch corrected for sloped roof
Higher curb heights for "green roof" applications

Optional Features RHG

Stainless Steel cover, curb, and/or hardware (RHG)
Polycarbonate domes for daylighting
Louvered Curbs
Curb Mounted Units
Curb pitch corrected for sloped roof
Higher curb heights for "green roof" applications

RHA Specifications:

Cover: Double-skin construction (“in box type design”) with 1" cellulose insulation and a continuous EPDM foam weather/draft seal gasket that is attached to the inside of cover to provide a flush, tight fit. Designed to support a live load of 40lbs./sq. ft., the cover is 1/8” aluminum with a 20 gauge aluminum inside liner.

Curb: 1/8" thick aluminum with 1" thick fiberboard roof insulation at curb exterior. Curb is 12" high, with 3.375" wide bottom flange and pre-drilled mounting holes.

Hinge: Heavy duty Aluminum pintle hinges with 3/8" pin

Opening: Gas spring operators allow cover to open and close with ease. Inside pull handle allows for easy control when closing cover.

Door Latch: Self latching, zinc plated outside T handle with stainless steel inside lock and lever assembly. Unit also has inside and outside padlock provisions.

Finish: Mill finish.

RHG Specifications:

Cover: Double-skin construction (“in box type design”) with 1" cellulose insulation and a continuous EPDM foam weather/draft seal gasket that is attached to the inside of cover to provide a flush, tight fit. Designed to support a live load of 40lbs./sq. ft., the cover is 14 gauge galvanized steel with a 22 gauge galvanized steel inside liner.

Curb: 14 gauge galvanized steel with 1" thick fiberboard roof insulation at curb exterior. Curb is 12" high, with 3.375" wide bottom flange and pre-drilled mounting holes.

Hinge: Heavy duty galvanized steel pintle hinges with 3/8" pin

Opening: Gas spring operators allow cover to open and close with ease. Inside pull handle allows for easy control when closing cover.

Door Latch: Self latching, zinc plated outside T handle with stainless steel inside lock and lever assembly. Unit also has inside and outside padlock provisions.

Finish: Material is prepared with an iron phosphate wash, followed by a rust inhibiting primer, and then a baked on polyester enamel paint.