• LK Porras Ltd

    LK Porras Ltd is over 40 year old steel structure manufacturer. The company itself is a small family business which designs and manufactures CE marked galvanized spiral stairs in Eastern Finland for building and manufacturing industry.

Spiral stairs

Spiral staircase is a light and space saving solution and it fits to most places, to the most challenging places as well. Spiral stairs are always made and designed according to measurements; we’ll produce the staircase as high as you need. LK Porras high quality products are made to last; manufacturing and design have CE-markings

Different applications for galvanized spiral stair are industrial plants, commercial buildings, schools and hospitals, parking halls and mine workings. We can also provide spiral staircase with an R30 fire classification (standards EN1365-6 and EN 13501-2).

Spiral staircase is always a functioning set of tailored components designed and manufactured for ordered stair. The manufacturing spiral stairs starts with design; its premises are always customer’s need and official regulations. We draw stair structures easily to 3D models which helps you perceiving the whole detailed spiral staircase.

Standards in our operation:

Industrial properties: SFS-EN ISO 14122 parts 1-4
Hot dip galvanizing: SFS-EN ISO 1461
R30 Fire resistance tests and classification: EN 1365-6 and EN 13501-2
Production: SFS-EN 1090-2, CE marking
Designing: Eurocode 3, CE marking

Staircase info:

  • needed space is only diameter +100mm
  • Steps made from welded grating (also non-slips available)
  • Railing alternatives:
    • simple standard mainly for industrial use
    • childproof where gap between balusters is under 100mm
  • Hand rail from 42,4mm steel pipe
  • Steel braces to building in every 3000-3500m
  • All parts are hot dip galvanized
  • CE-marking: Implementation classes EXC1 and EXC2

LK Porras Ltd

LK Porras Ltd is over 40 year old steel structure manufacturer. The company itself is a small family business which designs and manufactures CE marked galvanized spiral stairs in Eastern Finland for building and manufacturing industry. All used materials are traceable.

Contact info:
LK Porras Ltd
Teollisuustie 10 79100 Leppävirta Finland
tel: +35850 555 0187
sales@lkporras.demo.site