Artira Tube Attachment Methods

To maintain the vertical separation between the tubes, distance struts and gussets are welded to the tubes. The struts are attached either directly to the wall or to square or rectangular steel support towers.

Solid Walls

Solid concrete, concrete block, wood or steel reinforcement. This construction is ideal for direct mounting as the struts can be attached directly to the wall. Where extra support is necessary the upper hole in the strut can be fastened through the wall.

Wood Stud Walls

These structures require support towers, along with a 2" x 6" board that is screwed to the studs in the wall, running parallel to the stair flight. The towers must be attached to the board as well as to the floor or stair treads. Note: This method of anchoring is not feasible for steel stud walls.

Freestanding Support Towers

Solid concrete stairs, steel pan stairs filled with concrete, 76mm (3”) thick wood stairs/landings. These are required when there are no existing support walls or when the lift is required to be freestanding.

For concrete-filled steel pan treads, the towers are either bolted through the treads (where access is possible) or attached to a steel stringer for additional support.

Open Balustrade - Towers in the Core

Towers can be positioned within the open stair core when there is insufficient platform turning clearances or if the stairs are too weak for freestanding towers. The towers are fastened to the walls, stringers or stair edge, as well as to the floors. Handrails can be removed or special brackets can be used to allow for tube attachment to the towers without damaging the balustrade.

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