Ronadeck Resin Bound Surfacing Aggregates further information
Appearance
The appearance of RonaDeck Resin Bound Surfacing samples and materials are dependent on the colour, shade and grading of individual aggregates supplied to Ronacrete Ltd by its suppliers. Being largely natural aggregates, the appearance may be variable within batches and from batch to batch and uniformity of appearance should not be expected. Darker aggregate blends are less likely to show tyre marks. RonaDeck Resin Bound Surfacing is hand finished with a steel float and some variation in finished levels is to be expected. Levels variation may be accentuated in certain natural and artificial light conditions, such as at sunrise or sunset or when lighting is set into the surfacing.
Compaction of the Construction
Adequate compaction of the sub-base and base is essential to prevent cracking of the base, a minimum 1 tonne “sit on” roller should be used when possible and the contractor must ensure that the construction is fully restrained at all edges to ensure dimensional stability.
Reflective Cracking & Differential Movement
Re-entrant corners, which are angular intrusions into resin bound surfacing by walls; edgings etc., may cause formation of reflective cracks in the surfacing. Intrusions into the surfacing should be avoided whenever possible and when unavoidable, intrusions should be curved rather than angular. Cracking of the base is likely to result in cracking of the resin bound surfacing. Application to different types of base materials in the same area of paving should be avoided, when this is not possible, allowance should be made for differential movement between differing types of base, to prevent cracking of the surfacing.
Blooming
Blooming occurs, largely in late Autumn, Winter and early Spring, when conditions for application of resins are not ideal. Polyurethane resins may harden quickly but even at 20oC, initial cure does not occur until 24 hours have elapsed and initial cure takes longer at lower temperatures. Initial cure time is important because until it is achieved, the resin remains open to absorption of water. On dry days with air temperatures in excess of 10oC, conditions may seem benign but such conditions can produce point is close to the air temperature and whenever the dew point rises to within 3 degrees of air temperature, condensation will occur. Application of resins during these adverse conditions, or for 2 days following application if conditions remain similar or worsen, runs the risk of blooming caused by dew forming on the resin surface or fog condensing on the surface. When a car is parked for the night in conditions when the dew point is reached, condensation will occur by morning, shedding condensed water onto the driveway surface. When the weather is colder, frost forming on the surface is also a risk when the temperature rises and the frost reverts to liquid form.
RonaDeck Resin Bound Surfacing resin may be applied to surfacing which has been affected by blooming, but not until the existing resin is removed. Polyurethane resin does not remain open to adhesion of a further coat for very long and it must be assumed that preparation to abrade or ideally remove the surface resin, especially resin which has bloomed, is required before application of a further coat is attempted. It is preferable to carry out the works during late April to September when the conditions which caused the blooming are less likely occur.
Slip Resistance
All RonaDeck Resin Bound Surfacing aggregate blends have been tested for slip resistance in accordance with BS 8204-6:2008+A1:2010 Appendix B. Slip Resistance Values for all blends can be found on the colour swatch document. Application of RonaDeck Resin Bound Surfacing System Anti-Slip Aggregate will significantly increase the slip resistance of the surface in the wet and on steep gradients without substantial change to appearance.
Contractors
RonaDeck Resin Bound Surfacing System is a specialist product and must only be applied by specialist applicators. Do not apply or allow it to be applied by contractors who do not possess the necessary skills and experience. You should consider appointing a Ronacrete Ltd Approved Contractor.
Build Ups – Permeable Asphalt
Permeable Asphalt | Pathway | Driveway | Car Park |
---|---|---|---|
RonaDeck Resin Bound Surfacing | 15mm | 18mm | 20mm |
Binder Course* | 60mm | 70mm | 100mm |
Type 3 sub-base | 150mm | 175mm | 300mm |
Build Ups – Impermeable Asphalt
Impermeable Asphalt | Pathway | Driveway | Car Park |
---|---|---|---|
RonaDeck Resin Bound Surfacing | 15mm | 18mm | 20mm |
Binder Course* | 60mm | 70mm | 100mm |
Type 1 sub-base | 100mm | 150mm | 200mm |
*AC14 open graded asphalt concrete (macadam) maximum 100/150 pen binder (for pathways and driveways) or 70/100 pen binder (for car parks) to BS EN 13108-1.
**AC14 dense asphalt concrete (macadam) maximum 100/150 pen binder (for pathways and driveways) or 70/100 pen binder (for car parks) to BS EN 13108-1.
The build up may require an impermeable membrane to carry water to infiltration/ storage system/ soakaway or a geotextile layer to prevent upward migration of soil. A capping layer may also be required depending on the sub-grade condition.
Build Ups – Concrete
Concrete | Pathway | Driveway | Car Park |
---|---|---|---|
RonaDeck Resin Bound Surfacing | 15mm | 18mm | 20mm |
Concrete (C35) | 100nm | 150nm | 175nm |
Type 1 sub-base | 100mm | 150mm | 200mm |
The above information is produced for guidance only, the designer/ contractor should be satisfied that the construction is suitable for the expected traffic and ground conditions. It is not the responsibility of Ronacrete Limited to design this or any other element of the construction.
Working Times and Temperatures
Working time is affected by temperature; at temperatures above the maximum recommended in the following tables, the pot life and working time may be insufficient to allow a wet edge to be maintained. Work should therefore not proceed when product and / or air temperature exceeds recommendations. The air temperature must therefore be monitored during application and work should stop when temperature exceeds recommendations. Care must be taken to keep materials as cool as possible in warm weather. At low temperatures RonaDeck Resin will not flow sufficiently to achieve a smooth finish and work should not proceed when air, material or substrate temperature is below 5oC.
Working Times – Winter Grade
Ambient Temperature | 5°C | 10°C | 15°C |
---|---|---|---|
Working Time | 40-60 minutes | 30-45 minutes | 20-30 minutes |
Lay before rain | 3-4 hours | 2-3 hours | 1-2 hours |
Pedestrian traffic after | 12-14 hours | 7-9 hours | 5-7 hours |
Vehicle traffic after | 1-2 days | 24 hours | 15-17 hours |
Working Times – Summer Grade
Ambient Temperature | 15°C | 20°C | 25°C |
---|---|---|---|
Working Time | 50-60 minutes | 40-55 minutes | 35-50 minutes |
Lay before rain | 6-8 hours | 4-5 hours | 3-4 hours |
Pedestrian traffic after | 24 hours | 13-14 hours | 9-12 hours |
Vehicle traffic after | 2-3 days | 1-2 days | 1-2 hours |
Working Times – Tropical Grade
Ambient Temperature | 25°C | 30°C | 40°C |
---|---|---|---|
Working Time | 50-90 minutes | 45-75 minutes | 30-45 minutes |
Lay before rain | 5-6 hours | 4-5 hours | 2-4 hours |
Pedestrian traffic after | 24 hours | 14-16 hours | 7-8 hours |
Vehicle traffic after | 2-3 days | 1-2 days | 24 hours |
Maintenance
It is possible to repair localised damage by cutting out and replacing, ideally using the same aggregate as originally supplied. Ageing and weathering of the original may prevent an invisible repair. “Picking out” of some stones is possible but is likely to be minimal and localised. Any major loss of stone should be reported.
Resin and Aggregate
RonaDeck Resin Bound Surfacing Resin has been designed for the UK market. Under normal UK weather conditions the system is considered UV light and heat resistant and will not discolour. If exposed to weather beyond those of typical UK conditions, slight discolouration may occur.
The performance and appearance of the finished surface is dependent on the aggregate used. The Aggregate blends have been designed to achieve strength, resilience, porosity and decoration.
Natural aggregates may contain small amounts of iron which can produce rust staining when exposed to air and water; standard RonaDeck Resin Bound Surfacing blends contain aggregates selected for infrequency of incidence of staining but iron may be present in any natural aggregate. The presence of iron cannot be identified before use and Ronacrete Ltd cannot accept responsibility for any loss or damage suffered as a result of staining.
Traffic and Scuffing
RonaDeck Resin Bound Surfacing is designed for foot traffic and occasional vehicle traffic such as on domestic driveways, residential developments with light domestic traffic or car parking bays. It is however, not a road surface for heavy volumes of domestic or commercial traffic. Heavier vehicle traffic, including heavy impact and high point loading will damage the surface and may result in failure.
Due to the destructive scuffing forces created by power steering (e.g. three point turns) in car parks or on driveways where cars will repeatedly turn within a confined area, localised wear is more likely. It is therefore recommended that when the product is used in such locations, the surface is regularly inspected by the client or installer and maintained as required.
Slip Resistance Values of RonaDeck Resin Bound Surfacing – DRY
Blend | PTV | Risk of Slip |
---|---|---|
Atlantic Silver | 67 | Low |
Autumn Forest | 50 | Low |
Aztec Gold | 48 | Low |
Black Pearl | 71 | Low |
Harvest Crunch | 50 | Low |
Maple Glow | 45 | Low |
Midnight | 71 | Low |
Oyster | 56 | Low |
Riverbed | 52 | Low |
Rose Garden | 74 | Low |
Silver Blue | 44 | Low |
Terragrey | 57 | Low |
Slip Resistance Values of RonaDeck Resin Bound Surfacing – WET
Blend | PTV | Risk of Slip |
---|---|---|
Atlantic Silver | 59 | Low |
Autumn Forest | 34 | Medium |
Aztec Gold | 37 | Low |
Black Pearl | 48 | Low |
Harvest Crunch | 39 | Low |
Maple Glow | 48 | Low |
Midnight | 58 | Low |
Oyster | 44 | Low |
Riverbed | 40 | Low |
Rose Garden | 51 | Low |
Silver Blue | 42 | Low |
Terragrey | 46 | Low |
Application Conditions
Application during rain or before rain is not recommended. Light rain on the surface affect the bond between particles, reducing the strength of the system. Note that application to a damp substrate will reduce bond strength. Unmixed aggregate must be kept dry at all times. Care must be taken to keep the mixing station dry, thus avoiding entrapment of moisture between aggregate and resin. Do not apply RonaDeck Resin Bound Surfacing when rain is expected within 24 hours of application at 20ºC. Do not apply RonaDeck Resin Bound Surfacing when fog, frost or dew is expected within 48 hours of application.
Mix Design
RonaDeck Resin Bound Surfacing Resin: 7.5kg
RonaDeck Resin Bound Surfacing Aggregate: 100kg
RonaDeck Fine Aggregate: 6.25kg
Coverage:
Coverage rates for individual blends can be found on the separate colour swatch document. Coverage is based on application to a smooth flat surface and will vary when applied to undulating surfaces, according to compaction, and to the aggregate grading, which can change from batch to batch Instructions for use
Base
- When constructing a new concrete base, the following should be considered:
- Concrete bay proportions should be ideally 1:1 and should not be greater than 3:2, long narrow strips of concrete will crack across the bay width and these cracks are likely to be mirrored in the surfacing.
- Ensure that the concrete has a minimum design strength of C35 and that the concrete has a minimum compressive strength of 15-20N/mm2 before the surface is prepared. New concrete bases are to be at least 28 days old before the application of RonaDeck Resin Bound Surfacing.
- Prepare the concrete surface to remove laitance and provide a lightly textured surface to ensure adequate adhesion, vacuum shot blasting is the preferred method.
- The surface of the asphalt concrete must be clean, dry and free from loose materials.
- Ensure that falls are in place to provide adequate drainage when applying to an impermeable base.
- Protect all edges abutting soft landscaping with brick or concrete to prevent damage to the surfacing. Edgings should be securely fixed to prevent movement.
- A flexible joint filler should be used at edgings where there is potential for movement of the edging, to separate the surfacing from the edging.
- Where RonaDeck Resin Bound Surfacing is to be applied to an impermeable base, gaps or weep holes should be created in the edging, to allow drainage of water.
- When applying RonaDeck Resin Bound Surfacing to concrete bases, all movement joints, stress relief joints and day joints must be expressed in the resin bound surfacing.
Mixing
- Ensure the forced action mixer is thoroughly cleaned immediately before works proceed as dirt/residue on the drum and mixing blade surfaces may contaminate the initial mixes. This contamination will affect the colour of the initial mixes, which will be noticeable when subsequent batches of material are laid.
- Place RonaDeck Resin Bound Surfacing Aggregate (100kg) into a clean, dry, forced action mixer minimum capacity/ power 120 litres/ 1.8kW, Baron F200 mixer or similar. The mixer is to be switched on prior to loading with aggregate.
- Scrape all of the contents of RonaDeck Resin Bound Surfacing B component into the larger A component container and mix with a slow speed drill (≤450RPM) and MR2 paddle mixer attachment until homogeneous.
- Immediately add the mixed resin to the aggregate in the mixer followed by RonaDeck Fine Aggregate (6.25kg) approximately 30 seconds later. Mix the aggregate and resin together until all the aggregate is evenly coated with resin. Mix for approximately 1-2 minutes. Overmixing will increase heat generation, reduce working time and may affect the colour. Inconsistent mixing times may cause colour variation, ensure all batches are mixed for the same length of time.
Ronadeck Resin Bound Aggregates Application
- Discharge the mixed resin and aggregate into a suitable wheelbarrow and immediately move to the point of application
- Discharge the wheelbarrow onto the prepared surface and spread evenly using a straight bladed squeegee or spazzle to the required thickness and level.
- The surface is then to be hand trowelled with a suitable float to leave a smooth compacted finish. Excessive compaction will reduce permeability and over trowelling may result in ‘trowel burn’.
- RonaDeck Low VOC Tool Cleaner/ Trowel Finishing Aid should be used if required, the use of white spirit is not advised.
- For improved slip-resistance on steep gradients, apply 0.2-0.6mm clear glass grit to the wet resin at the rate of approximately 50-80g/m2, avoid a patchy appearance by scattering evenly.
- Always ensure that a wet edge is maintained, joints between mixes will be visible unless the older mix is still workable.
Curing
Allow to cure and open to traffic as described in “Working Times and Temperatures”.
Cleaning Tools
Tools and equipment may be cleaned with RonaDeck Low VOC Tool Cleaner/ Trowel Finishing Aid, which will remove uncured resin.
Ronadeck Resin Bound Surfacing Shelf Life and Storage
Shelf life of RonaDeck Resin Bound Surfacing Resin is 6 months, aggregates have an unlimited shelf life. Store materials in clean, dry, frost free warehouse conditions between 5oC and 25oC. Protect from sunlight.
There are no reviews yet.