1202 CC User Guide

Prévia do material em texto

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Concrete Impregnated Fabric...
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Concrete Impregnated Fabric...
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
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Page 2
Concrete Impregnated Fabric...
Concrete Canvas (CC) is a flexible, cement impregnated fabric that hardens when hydrated to form a thin, durable, water and fire proof 
concrete layer.
The following guide provides useful information for installers, customers and specifiers of CC. It provides an overview of useful data and 
techniques that can be used across a wide range of applications. The versatile nature of the material means that this document is not 
exhaustive and is intended for guidance purposes only.
There are 3 CC types available with the following indicative specifications:
CC Type Thickness 
(mm)
Roll Width
(mm)
Dry Weight
(kg/sqm)
Batched Roll 
Coverage (sqm)
Batched Roll 
Length (m)
Bulk Roll 
Coverage (sqm)
Bulk Roll 
Length (m)
CC5 5 1000 7.0 10 10.0 200 200.0
CC8 8 1100 12.0 5 4.5 125 113.6
CC13 13 1100 19.0 N/A N/A 80 72.7
Concrete Canvas™ User Guide
CC Specification
CC is available in two standard roll sizes; bulk rolls or smaller batched rolls. The quantity per roll differs between the CC types.
Bulk rolls weigh 1.6T and are supplied on 6 inch cardboard tubes which can be hung from a spreader beam and unrolled using suitable plant 
equipment (see below). Bulk rolls provide the fastest method of laying CC and have the additional advantage of reducing the number of joints 
required. Contact Concrete Canvas Ltd. for spreader beam hire.
Batched rolls are supplied on 3 inch cardboard cores with carry handles designed as a 2 to 4 man lift. All CC thicknesses can be supplied 
batched to custom lengths for a small additional charge.
CC bulk rolls are individually wrapped and palletised. A 20ft ISO container can typically hold 1600sqm bulk of CC5, 1250sqm of CC8 or 800sqm
of CC13. All CC rolls are provided with a basic hydration guide in English within the packaging.
CC batched rolls are similarly supplied, individually wrapped in airtight PE packaging and palletised. 10 batched rolls fit on a standard 1.2 x 
1.0m pallet. A 20ft ISO container can typically hold 1000sqm of CC5 or 500sqm of CC8. CC13 is not supplied as a batched roll as standard.
Bulk Rolls / Batched Rolls
Shipping / Stuffing
CC Types
CC batched rollsCC bulk rolls
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Concrete Impregnated Fabric...
© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
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Concrete Impregnated Fabric...
Some examples of applications for the different CC types are given below:
Example CC Applications
Application CC5 CC8 CC13 Comment
Dust Suppression ● ○ Use CC8 if the area is to be regularly trafficked.
Foundation Blinding ● ○ Use CC8 for heavy duty applications.
Weather Proofing /
Slope Stabilisation
● ● Use CC5 or CC8 depending on ground conditions.
Ditch Lining ○ ● ○ Use CC5 for light duty applications. Use CC8 for medium duty 
applications. Use CC13 for heavy duty applications.
Bund Lining ● ● ● All thicknesses may be used depending on level of traffic.
Sandbag / Gabion
Reinforcement
○ ● ● CC8 has been tested by the British Army for sandbag 
reinforcement.
Trackway / Flooring ● ● Use CC8 to CC13 depending on loading or substrate.
Pipe Protection ● ● ● All thicknesses may be used depending on protection 
requirements.
Cable Covering ○ ○ ● All thicknesses may be used depending on protection 
requirements.
CC Ditch Lining CC Slope Protection
CC Pipe Protection CC Bund Lining
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
Page 4
Concrete Impregnated Fabric...
Concrete Canvas™ Hydration Instructions
Storage
CC Hydration at Low Temperatures (<5°C)
SPRAY THE FIBRE SURFACE WITH WATER UNTIL IT FEELS WET TO TOUCH FOR SEVERAL MINUTES AFTER SPRAYING. 
Re-spray the CC again after 1 hour if:
- Installing CC5
- Installing CC on a steep or vertical surface
- Installing in warm climates
Notes:
- CC cannot be over hydrated and an excess of water is always recommended. 
- Minimum ratio of water:CC is 1:2 by weight. 
- Do not jet high pressure water directly onto the CC as this may wash a channel in the material. 
- CC can be hydrated using saline or non-saline water. 
- CC will hydrate and set underwater.
- CC has a working time of 1-2 hours after hydration. Do not move CC once it has begun to set. 
- Working time will be reduced in hot climates.
- CC will set hard in 24 hours but will continue to gain strength for years.
- If CC is not fully saturated, the set may be delayed and strength reduced. If the set is delayed, re-wet with a large excess of water. 
1) If the ground surface temperature is between 0 and 5°C and rising, Concrete Canvas should be covered with plastic sheeting immediately 
after hydration. CC may exhibit a delayed set at very low temperatures.
2) If the surface temperature is expected to fall below 0°C in the 8 hours following hydration then use warm water (>15°C) mixed with CC 
accelerant and cover with plastic sheeting. It is important to only use accelerant supplied by Concrete Canvas Ltd. as some admixtures may 
delay set or impair performance of CC. Please contact Concrete Canvas with your specific temperature profile for a recommendation on the 
dosage of accelerant required.
3) It is not recommended to install CC if the ground surface temperature is likely to fall below -4°C within 24 hours of initial hydration.
4) It is not recommended to install CC on frozen ground as the ground may move significantly when it thaws, creating voids underneath the 
set Concrete Canvas.
CC should be stored in dry conditions away from direct sunlight and in the manufacturers sealedpackaging. If stored 
correctly CC has a shelf life of 24 months. If stored for longer CC may remain usable in many instances.
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
Page 5
A ‘snap off’ type disposable blade is the most suitable tool for cutting
CC before it is hydrated or set. When cutting dry CC, a 20mm 
allowance should be left from the cut edge due to lost fill. This can be
avoided by wetting the CC prior to cutting.
Set CC can be cut as with conventional concrete, with angle grinders,
construction disc cutters or good quality tile cutters.
CC can also be cut using handheld self sharpening powered disc 
cutters.
CC sheets in all three thicknesses can also be water cut to a fine 
resolution. Contact Concrete Canvas Ltd. for further information.
Cutting CC
Cutting Unset CC
Cutting Set CC
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
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CC Mechanical Fixings
The versatility of CC means that a wide range of manual, electric or
gas powered staplers are suitable for attaching CC to soft substrates
such as wooden boarding for building cladding. Commercially 
available hand staplers are suitable for fixing 2 layers of CC together 
where a small amount of compression force is required - such as with 
the simple overlap joint described on page 9.
There are a large number of mechanical fixings that are suitable for use with Concrete Canvas. Some of these fixings can be used in conjunction
with the non-mechanical joining methods described later in this guide to improve the mechanical strength or water proofing properties of joints.
Self tapping screws provide a quick and readily available means of 
attaching CC to a substrate or to itself. Typical applications include 
sandbag reinforcement or covering existing wooden or steel structures.
Standard nails can be used to attach CC. Alternatively, a power tool 
such as the Hilti nail gun, provides a quick and effective method of 
securing CC to hard surfaces such as concrete or rock. This may 
be appropriate where CC is being used to recondition an existing 
concrete surface or for spall lining in mining applications. It is important 
to ensure that the nail is used with at least a 15mm washer to ensure 
the head does not penetrate through the surface of the Canvas.
Alternatively large thread ‘self drive’ screws provide an excellent 
method of securing overlapped layers of CC together. This is ideal 
where a good mechanical joint is required, for applications such as 
slope stabilisation, dust suppression or vehicle trackway. Contact 
Concrete Canvas Ltd. for a recommended supplier and product 
specification.
Staples Nails
Screws
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
Page 7
Hog-rings are available in a wide range of sizes and can be applied to Concrete Canvas using pneumatic, electrical or hand powered tools. 
They provide a rapid means of securing CC either to itself or onto a wire mesh substrate such as gabion baskets. Hog-rings can also be used to 
attach adjacent sheets of CC together by laying the material face to face (fibre side together) and then hog-ringing at intervals along the edge. 
The spacing will vary depending on the level of mechanical fixing required.
Water Proof Rating : ●●●●○
Mechanical Strength : ●●●●○
If a more water proof seal is required, a Bitumen tape can be applied
over the hog-rings, onto the PVC backing, using a blow-torch. Using
this method, large panels of Concrete Canvas can be prefabricated 
with relative ease.
Medium gauge wire can be used as a simple alternative to hog-rings 
where plant equipment is not available. The end of the wire should be 
cut to a sharp point to aid penetration through the CC layers.
CC Mechanical Fixings cont.
Hog Rings
Hog Rings cont.
Pneumatic hog-ringer fixing CC to a gabion basket
Hog-ringed CC layers opened out showing PVC surface Hog-ringed CC layers opened out showing fibre surface
2 CC layers laid face to face and hog-ringed togetherPneumatic hog-ringer fixing CC to a gabion basket 2 CC layers laid face to face and hog-ringed together
Hog-ringed CC layers opened out showing fibre surfaceHog-ringed CC layers opened out showing PVC surface
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Concrete Impregnated Fabric...
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
Page 8
Pegging is recommended for ground surfacing applications such as 
ditch lining, slope stabilisation or erosion control. Typically pegs are 
specified every 2m for most applications, but this will vary depending 
on the ground conditions and application. Pegs should be used at 
joints where possible to secure adjacent layers together. Pegs are 
available directly from Concrete Canvas Ltd. in a range of sizes which 
are suitable for use with CC. The peg must have a sufficiently sharp 
point to penetrate the surface of the Canvas.
An alternative fixing method to pegging is to bury (anchor trench) the edges of the CC with soil or aggregate. This provides a means of both 
fixing the material down and also ensures that surface run-off does not undermine the CC. This is particularly suitable for ditch lining, erosion 
control and slope stabilisation applications. It also provides a more aesthetically pleasing finish.
Pegging
Burying CC Edges
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty,express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
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2 3
Page 9
Water Proof Rating : ●●○○○ Water Proof Rating : ●●○○○
Mechanical Strength : ●○○○○ Mechanical Strength : ●●●●○
Overlapping Concrete Canvas is the simplest method of joining 2 layers together. This is appropriate for the majority of ditch lining, erosion 
control and ground surfacing applications.
Overlapped joints should be compressed along the entire length while the material sets to ensure there are no voids between layers. This can 
be done using screws, sandbags, water weights, loose fill, staples etc. Overlapping CC will provide a moderate level of water proofing and is 
suitable for drainage applications. We recommend overlapping cut edges by a minimum of 100mm and sealed edges by a minimum of 50mm.
Water Proof Rating : ●●●○○
Mechanical Strength : ●●○○○
Concrete Canvas can be joined and sealed by applying a bonding 
sealant between overlapping layers. 
Concrete Canvas Ltd. can provide a recommended sealant which 
bonds to both the PVC backing and fibre surface of Concrete Canvas. 
A minimum bead size of 6mm should be applied along the length of 
the joint and the two layers firmly pushed together. The sealant works 
in both wet and dry conditions so can be applied before hydration or 
immediately after.
The bonding sealant will fully cure in 24 hours.
CC Non-Mechanical Fixings
Simple CC Overlap Simple CC Overlap (Screwed)
CC Bonding Sealant
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 www
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Page 10
Concrete Impregnated Fabric...
Water Proof Rating : ●●●●○
Mechanical Strength : ●●●●● 
Concrete Canvas can be joined and sealed by overlapping layers and
applying a grouting compound along the joint.
Concrete Canvas Ltd. can provide a bespoke cementitious grout called 
CC Jointing Grout for use in drainage and ditch lining applications. CC 
Jointing Grout is based on the same cementitious mix as Concrete 
Canvas to create a homogenous joint. CC jointing Grout should be 
mixed with water in a ratio of 1:3 - 1:4 until the mix is easy to work.
The use of other grouting compounds may retard setting time and 
reduce set strength, please contact Concrete Canvas Ltd. for further 
advice.
Grout should be applied immediately after hydrating the two overlapped 
layers. Ensure that the bottom layer, including the overlapped area is 
properly hydrated.
CC Jointing Grout has similar setting characteristics to CC and initial
set takes place after two hours.
After applying the grout, continue to hydrate as per CC hydration 
instructions, ensuring not to apply jets of water directly onto the joint 
to avoid washout of the grout.
Fig. 1 Recommended Minimum Coverage
Profiled grouting tools for forming the grouting joint to the correct dimensions 
are available for hire from Concrete Canvas. The tools are designed to be used 
a 30º to the grouting surface. 
CC Non-Mechanical Fixings cont.
CC Jointing Grout
Fig. 3 Generously apply CC grouting compound onto joint
Fig. 4 Use CC grouting tool in dabbing motion to form joint 
Fig. 5 Wipe off any excess grout and allow to set
Fig. 2 Over lap CC layers by 100mm
15
CC13 Layer 1 CC13 Layer 2
50 50
10
CC8 Layer 1 CC8 Layer 2
30 30
7CC5 Layer 1 CC5 Layer 2
20 20
1
2
3
4
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© Concrete Canvas Ltd. 2012
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products 
discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no 
liability, with respect to or arising from use of such information or any such product.
www.concretecanvas.co.ukinfo@concretecanvas.co.uk+ 44 (0) 845 680 1908 wwwgreg@concretecanvas.co.za+27 83 325 9001
Page 11
The fibre surface of CC can be easily painted once set using standard exterior masonry paint. This provides a quick and simple method 
of improving the aesthetic appearance of CC. Alternatively, Concrete Canvas Ltd. can recommend a range of copolymer concrete surface 
treatments which can provide a coloured uniform finish as well as hydrophobic protection against staining and organic growth. Fire retardant 
paints have also been shown to be effective where thermal performance is critical.
Finishing
A white cement blend of Concrete Canvas is available on request subject to minimum volumes. This blend provides a brilliant white uniform 
finish and would suit architectural or decorative applications. Contact Concrete Canvas Ltd. for further information.
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Concrete Canvas™ Material Data Post Set CC Properties
Pre-Set CC Properties
CC Physical Properties*
Setting
Method of Hydration
Working Time 1-2 hours subject to ambient temperature
CC will achieve 80% strength at 24 hours after hydration.
Spray the fibre surface with water until it feels wet to touch 
for several minutes after spraying. 
Re-spray the CC again after 1 hour if:
- Installing CC5
- Installing CC on a steep or vertical surface
- Installing in warm climates
Notes:
- CC cannot be over hydrated and an excess of water is always 
 recommended. 
- Minimum ratio of water:CC is 1:2 by weight. 
- Do not jet high pressure water directly onto the CC as this may wash 
 a channel in the material. 
- CC can be hydrated using saline or non-saline water. 
- CC will hydrate and set underwater.
- CC has a working time of 1-2 hours after hydration. Do not move CC 
 once it has begun to set. 
- Working time will be reduced in hot climates.
- CC will set hard in 24 hours but will continue to gain strength for 
 years.
- If CC is not fully saturated, the set may be delayed and strength 
 reduced. If the set is delayed, re-wet with a large excess of water. 
* Indicative values
Freeze-thaw testing (BS EN 12467:2004 part 5.5.2)
Soak-Dry testing (BS EN 12467:2004 part 5.5.5)
Water impermeability (BS EN 12467:2004 part 5.4.4)
Patent Protected
Pat Pend/Granted: AE (766/2011), AP (AP/P/2011/005842), AU (2010209524), 
BR (PI1005309-3), CA (2655054), CA (2749991), CL (01809-2011), CN(201080005835.6), 
CO (11-092824), EP(2027319), EP (2393970), GB (2455008), HK (12100037.1), 
ID (W00 2011 02825), IL (214350), IN (5429/DELNP/2011), JP (2011-546952), 
KR (10-2011-7020005), MN (4676), MX (MX/a/2011/007802), MY (PI2011003536), 
NZ (594823), OM (OM/P/2011/00162), PH (1-2011-501468), RU (2011134016), 
SG (201105143-0), TH (1101001335), US (12/303864), US (US-2010-0233417-A1), 
US (13/146836), VN (1-2011-02023), ZA (2009/00222), ZA (2011/06289) and other 
patents pending.
Strength
Other
Abrasion Resistance (DIN 52108)
- Similar to twice that of OPC
MOHS hardness
CBR Puncture Resistance EN ISO 12236: 2007 (CC8 & CC13 only)
- Min. Push-through force
- Max. Deflection at Peak
Resistance to Imposed Loads on Vehicle Traffic Areas
EN 1991-1-1:2002 (CC8 & CC13 only)
- Category G compliant
- Gross weight of 2 axle vehicle 30 to 160kN
- Uniformly distributed loadnot exceeding 5kN/sqm
Standard Test Method for Impact Resistance of Pipeline Coatings 
ASTM G13 (CC13 only)
Very high early strength is a fundamental characteristic of CC.
Typical strengths and physical characteristics are as follows:
Compressive tests based on ASTM C109 – 02
- 10 day compressive failure stress (MPa)
Bending tests based on BS EN 12467:2004
- 10 day bending failure stress (MPa)
- 10 day bending Youngs modulus (MPa)
Tensile data (Initial crack)
40
3.4
180
2.69kN
38mm
Passed
Passed**
Passed
Passed
Max 0.10 gm/cm2
4-5
 Tensile strength (kN/m)
Length direction Width direction
CC5 6.7 3.8
CC8 8.6 6.6
CC13 19.5 12.8
The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since 
the circumstances and conditions in which such information and the products discussed therein can be used may vary and 
are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent 
infringement, and we accept no liability, with respect to or arising from use of such information or any such product.
** For containment applications where a 100% waterproof seal is required, it is 
recommended to use CC as a protective overlay in combination with an appropriate 
sealed membrane liner. CC is not recommended as the sole barrier layer where 100% 
impermeability is critical. 
Post set data is based on CC hydrated in accordance with the CC 
Hydration Guide. 
Reaction to Fire
CC has achieved Euroclass B certification:
BS EN 13501-1:2007+A1:2009 B-s1, d0
Concrete Canvas Ltd. 
CF37 5SP, United Kingdom
11
EN12467:2004
Concrete Canvas:
Fibre cement sheet
NT
Oversize sheets
Class 1, Category A
Reaction to Fire B-s1,d0
© Concrete Canvas Ltd 2012
CC Patent Information
Address E-mail: info@concretecanvas.co.uk
Unit 3, Block A22, Phone: +44 (0) 845 680 1908
Treforest Ind. Estate, Web: www.concretecanvas.co.uk
CF37 5SP, UK 
CC Thickness 
(mm)
Batch Roll 
Size (sqm)
Bulk Roll 
Size (sqm)
Roll Width 
(m)
CC5 5 10 200 1.0
CC8 8 5 125 1.1
CC13 13 N/A 80 1.1
CC Mass (unset) 
(kg/m2)
Density (unset) 
(kg/m3)
Density (set) 
(kg/m3)
CC5 7.0 1500 +30-35%
CC8 12.0 1500 +30-35%
CC13 19.0 1500 +30-35%
Contact Concrete Canvas UK