Chimney & Exhaust Support Structures

01 / 07

A stack support tower

A four-legged lattice tower round a tall exhaust stack. Height and levels follow your stack design.

Scroll to see how it is built · drag to turn it round

02 / 07

Legs

4 legs on base plates and anchor bolts, spliced in lengths that fit a truck.

How is it possible at Allmarc?

HSG CNC tube laser4 kW

Used here for: Legs

• 4 kW
• Tubes and sections up to 250 dia
• Automatic loading

All our machinery

SKDX1030 CNC end-face millingMills beam and column ends square for bolted splices

Used here for: Legs

• Mills beam and column ends square for bolted splices

All our machinery

03 / 07

Lattice bracing

Horizontals and diagonals cut and drilled for bolted assembly, match-marked tier by tier.

How is it possible at Allmarc?

CNC profile laserTube, beam and structural profile cutting

Used here for: Lattice bracing

• Tube, beam and structural profile cutting

All our machinery

AMG FSD2040 CNC plate drillingCNC plate drilling

Used here for: Lattice bracing

• CNC plate drilling

All our machinery

04 / 07

Guide rings

Rings that hold the stack sideways but let it grow as it heats up.

How is it possible at Allmarc?

Three-roll pinch cum pyramid plate rollsRolls plate up to 40 mm

Used here for: Guide rings

• Rolls plate up to 40 mm

All our machinery

05 / 07

Platforms and ladder

Ring platforms for inspection and emissions sampling, and a caged ladder the full height.

How is it possible at Allmarc?

Grip-Strut walkway automation linePunching, embossing, edge bending, shearing

Used here for: Platforms and ladder

• Punching, embossing, edge bending, shearing
• Single-piece planks up to 8 m

All our machinery

06 / 07

Round the stack

The stack is shown for context; we can fabricate stacks too.

07 / 07

A kit of parts

Legs, bracing, rings, platforms and ladder: every member numbered, match-marked and packed in erection sequence.