Tested, Tough & True.
Special Applications

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  • Tough, durable covering
  • High fatigue resistance
  • Resistance to liquid penetration
  • Immune to peeling
  • View Product Brochure

For many applications, the SPACE-LAY design has proven far superior to all other known types of plastic coated wire rope. It has also outlasted bright, galvanized and stainless steel ropes – especially where submersion or abrasion prevents formation of a protective oxide film, which these metals require to resist corrosive elements. Under such conditions, SPACE-LAY plastic-impregnated and coated galvanized wire rope offers important advantages to users.

With ordinary plastic-coated wire rope, the individual metal strands are in direct contact with each other at many points. As a result, the metal-to-metal contact causes internal friction and wear. Even more important, with conventional constructions, there is no interlocking bond. If the outer cover becomes cut or abraded, it is easily peeled off, exposing the bare metal strands to corrosion.

In SPACE-LAY construction, each individual strand is separated from all the others by one or more extra-large “spacer-wires.” This design serves two important functions: (1) It enables the extruded plastic to form a wall of protection around EACH strand. (2) It also assures a tight, interlocking bond between the inner plastic filler and the outer plastic jacket.  No peeling or leaking.  In SPACE-LAY construction, each individual wire is galvanized for additional corrosion protection.


Dimensions, Minimum Breaking Forces and Weights for SPACE-LAY


Rope Dia.
O.D. of
Approx. Wt.
      Air           Sea Water 
3/32 1/8 7x7 920 1.7 1.2
1/8 5/32 7x7 1,700 2.9 2.1
5/32 7/32 7x7 2,600 4.7 3.0
3/16 1/4 7x7 3,700 6.5 4.3
1/4 5/16 7x7 6,100 10.9 7.5
5/16 13/32 7x19 9,800 20.0 14.0
3/8 15/32 7x19 14,400 27.0 20.0
1/2 5/8 6x19 IWRC 22,800 50.0 37.0

Union, a WireCo WorldGroup brand, produces wire rope and special rope assemblies for a variety of applications – each with their own exacting specifications. We employ the most experienced, talented, licensed engineers in the industry to design solutions for your application. Nine manufacturing operations and seven distribution centers in North America, plus manufacturing facilities in Germany, Poland and Portugal, give our customers unparalleled support and global reach. Find out for yourself why Union wire ropes have proven themselves time and time again in the field. Union: Tested, Tough & True.