We are pleased to introduce you to Maccaferri Double Twist Steel Wire mesh, and provide an overview of our products and related solutions that are engineered from it. The ‘double twist’ connection locks the wires together: it is more flexible, stronger and has greater punch resistance than other mesh types. Compliant with International Standards (EN, ASTM, SANS, NBR, etc). Certified by Third-parties (CE Marked, BBA Certified, etc). As always, our technical teams are ready to support your project queries.

1. Double Twist Mesh:
Overview of Products & Solutions
Date October 2016
Autore Paolo Di Pietro, Corporate DT Specialist

2. INTRODUCTION
Purpose:
 Introduce Maccaferri Double Twist Steel Wire Mesh
 Provide an overview on our products with related solutions

3. WIRE AND
DOUBLE TWIST MESH

4. 4
THE WIRE AND THE DOUBLE TWIST STEEL WIRE MESH
• The ‘double twist’ connection locks the wires together: it is more flexible, stronger and
has greater punch resistance.
• International standards compliant (EN, ASTM, SANS, NBR, etc)
• Third-party certified (CE Marked, BBA Certified, etc)
Mild Steel Wire
Galvanization
(ZnAl alloy Coating)
Polymer
Protective Coating

5. PRODUCTS

6. 1. DOUBLE TWIST MESH IN ROLLS
2. GABIONS
3. JUMBO GABIONS
4. SACK GABIONS
5. RENO MATTRESSES®
6. TERRAMESH® AND GREEN TERRAMESH®
7. ROAD MESH®
8. REINFORCED GEOMAT - MACMAT® R
MACCAFERRI DOUBLE TWIST STEEL WIRE MESH PRODUCTS

7. Double Twist
Mesh In Rolls

8. 8
1. DOUBLE TWIST MESH IN ROLLS
Steel woven wire mesh is used as a drapery system for rockfall protection
to prevent rocks and debris from falling onto roads, railways and buildings.
Steelgrid HR is a high strength version of the mesh, reinforced with high-tensile
steel wire ropes interwoven with the mesh during manufacture.
Double Twist Mesh Roll Steelgrid HR version
Sizes for Rockfall protection netting
Length (m) Width (m)
25 2 - 3 - 4
50 2 - 3 - 4
100 2 - 3 - 4
All sizes and dimensions are nominal.
Tolerances of -0 +1% of the length and ± M of the height shall be permitted.

9. Gabions

10. 10
2. GABIONS
Gabions are steel wire mesh containers uniformly partitioned into internal
cells, interconnected with other units, and filled with stone at the project site
to form flexible, permeable, monolithic structures such as retaining walls, sea
walls, channel linings, revetments, and weirs for erosion control projects.
Sizes of Gabions
Length (m) Width (m) Height (m) # of cells
2 1 0.5 2
3 1 0.5 3
4 1 0.5 4
1.5 1 1 1
2 1 1 2
3 1 1 3
4 1 1 4
All sizes and dimensions are nominal. Tolerances of a ±5% shall be permitted.
Standard mesh-wire
Type M (mm) Tolerance (mm)
Wire diameter
(mm)
Mesh Tensile
Strength (kN/m)
Punch Strength
(kN)
8x10 80 -0/+10 2.70 / 3.70 50 67

11. Jumbo Gabions

12. 12
3. JUMBO GABIONS
Jumbo Gabions are larger version of our regular gabions: steel wire
mesh containers uniformly partitioned into internal cells, with a greater
width than regular gabions, and a separate lid, interconnected with
other units, and filled with stone at the project site to form flexible,
permeable and monolithic structures. Their larger dimensions enable
faster project installation of larger retaining walls, sea walls, channel
linings, and revetments.
Sizes of Gabions
Length (m) Width (m) Height (m) # of diaphragms
3 2 0.5 2
4 2 0.5 3
5 2 0.5 4
6 2 0.5 5
3 2 1 2
4 2 1 3
All sizes and dimensions are nominal. Tolerances of a ±5% shall be permitted.

13. Sack Gabions

14. 4. SACK GABIONS
Sack gabions are cylindrical baskets made of steel wire mesh used
for retaining structures, river works, erosion control.
Sack gabions are filled with stones at the project site and then lifted
into place to form flexible and permeable structures. They are often
used in emergency erosion control and repair works as they are rapid
to install and deploy.
Sizes for Sack Gabions
Length (m) Diameter (m) Volume (m3)
2 0.95 1.41
All sizes and dimensions are nominal. Tolerances of a ±5% shall be permitted.

15. Reno Mattresses®

16. 5. RENO MATTRESSES®
Reno Mattresses are rectangular units made of steel wire mesh
uniformly partitioned in internal cells, which are filled with stones at the
project site to form flexible, permeable, monolithic structures such as
river bank protection and channel linings for erosion control projects.
Sizes of Gabions
Length (m) Width (m) Height (m)
3 3 0.17 – 0.23 – 0.30
4 3 0.17 – 0.23 – 0.30
5 3 0.17 – 0.23 – 0.30
6 3 0.17 – 0.23 – 0.30
All sizes and dimensions are nominal. Tolerances of a ±5% shall be permitted.

17. Terramesh® System

18. 6. TERRAMESH® SYSTEM
Terramesh System is a modular system used for soil reinforcement
made of pre-assembled units fabricated with double twisted wire
mesh 8x10 made of Galmac (Zn-Al5% alloy) and polymer coated
steel wire.
The facing element of the unit is formed by connecting the back
panel and the 2 diaphragms to the main soil reinforcement unit,
thereby creating the rectangular shaped cells used for containing the
stone fill.
Sizes of Terramesh® System
Length (m) Width (m) Height (m)
3 3 1.0/0.8
4 3 1.0/0.8
5 3 1.0/0.8
6 3 1.0/0.8
All sizes and dimensions are nominal. Tolerances of a ±5% shall be permitted.

19. Green Terramesh®

20. 6. GREEN TERRAMESH®
Green Terramesh is an environmentally friendly modular system
used for soil reinforcement. It is designed to revegetate once installed
to create a green faced reinforced soil slope.
The Green Terramesh main unit is fabricated from Galmac (Zn-Al5%
alloy) and polymer coated steel wire.
Sizes for Green Terramesh®
Length (m)
Width (m)
Height
(m) / (slope
angle °)
Green
Terramesh
Green
Terramesh Light
3.0 3.0
3
0.76 / (70°)
0.73 / (65°)
0.70 / (60°)
0.58 / 45°)
4.0 4.0
5.0 5.0
6.0 6.0
7.0 -
8.0 -
All sizes and dimensions are nominal. Tolerances of a ±5% shall be permitted.

21. Road Mesh®

22. 7. ROAD MESH®
Road Mesh® is a unique bi-directional heavy duty reinforcement used in the
bound layers of pavement structures. Its 3-dimensional structure enables the
bound layer materials to interlock with the mesh, and therefore optimum and
immediate load transfer from the aggregate to the reinforcement occurs.
Road Mesh® is typically used for road maintenance and new road
construction, where conditions are less favorable, and where traditional
remedial or design solutions are no longer viable. Road Mesh® absorbs and
ultimately reduces the peak tensile stresses caused by the presence of
reflected cracks and/or traffic.
Table of sizes for Road Mesh®
Length (m) Width (m)
25 - 50 2 - 3 - 4
All sizes and dimensions are nominal.
Tolerances of -0 +1% of the length and ±D of width shall be permitted.

23. MacMat® R

24. 8. REINFORCED GEOMAT - MACMAT® R
MacMat® R is a reinforced geomat made from a three-dimensional polymer
matrix extruded onto a double twisted steel wire woven mesh.
The reinforcing hexagonal steel wire mesh has mechanical characteristics
exceeding those in EN 10223-3.
The wire is protected with GalMac® Zn-AI5% galvanising in accordance with EN
10244-2, Class A. The galvanised wire is also available with an extruded polymer
coating for additional protection.
Table of sizes for MacMat® R
Mesh 6x8 Type 8x10 Type
Wire diameter (mm)
(core / with polymer)
2.2 / 3.2 2.7 / 3.7
Roll dims. (m)
Length x Width
25 x 2 25 x 2
MacMat® R Roll

25. SOLUTIONS

26. 26
SOLUTIONS AND PRODUCTS
Solutions
Gabions, Sack Gabions
and Jumbo Gabions
Reno Mattresses Terramesh / Green Terramesh Road Mesh Mesh MacMat R
Gravity Retaining Walls
& Soil Reinforcement P P
Hydraulic Works P P P P P
Erosion Control P P P P
Rockfall Protection P P P
Flexible pavements P
Coastal Protection P P P P
Landfills P P P P P
Landscape &
Architecture P P P P

27. Thank You.
www.linkedin.com/company/maccaferri
www.instagram.com/maccaferriworld/
twitter.com/MaccaferriWorld
www.youtube.com/c/maccaferriworld
plus.google.com/+MaccaferriWorld
www.maccaferri.com
All dimensions and specifications subject to change without notice.
Please consult your local Maccaferri website for the latest technical specifications.