VERONA Product Sizes & Quantities - www.roadstone.ie

 
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VERONA Product Sizes & Quantities - www.roadstone.ie
VERONA®

   Product Sizes & Quantities
              Size      Depth                         Quantity   Quantity     Bale size
          (mixed bale)		                              (per m2)   (per bale)

         240 x 160mm
                     60mm 15.6 units of 432 13.82m2
               &           each size
         160 x 160mm

  Mixed bales include an equal number of all sizes.

www.roadstone.ie
VERONA Product Sizes & Quantities - www.roadstone.ie
GENERAL INFORMATION - MAINTENANCE
Cleaning & sealing of concrete paving units
All surfaces require some element of cleaning and maintenance, and paving is no different.
Regular maintenance and cleaning will maintain the surface appearance and overall
performance of both concrete paving and concrete paving flags.

Initial maintenance                            (sand or mortar). The washer should      Mosses & Lichens
During the very early life of the              be on a medium pressure setting          Mosses and lichens will grow on most
paving, the joints between the units           or lower, and should NOT be aimed        surfaces, particularly in shaded and
should be regularly “topped up” with           directly at the paving surface, but at   north facing areas. There are several
jointing sand. The paving should only          an angle of 30° approximately.           treatments that will deal with these
be brushed by hand. Mechanical              4. Cleaning detergents can be used,         growths on the market. The use of
sweepers and sweepers with high                however, some detergents are acidic      sulphate of iron is not recommended
suction forces should not be used,             and overuse can damage some              as it will stain the paving.
since there is a risk of loss of jointing      paving products. It is advisable
sand from between the units which              to follow the manufacturer’s
will cause the loss of interlock and           instructions and rinse the areas
failure of the paved surface.                  fully. The resulting runoff should
                                               be carefully channelled to either
                                               drainage points or containers from
Cleaning of pavements                          where it can be safely disposed of.
There are four levels of cleaning that      Replace any washed out jointing sand
can be carried out on a paved area.         with new dried sand (available in 25 kg
Prior to undertaking any maintenance/       bags from Roadstone) once the paving
cleaning, it is advisable to carry out a    has dried.
trial in a small inconspicuous area to
ensure there are no adverse effects on
the paving.                                 Weeds
1. General dirt should be removed by        Avoid the re-occurrence of weeds by
   regular dry brushing.                    removing them once they appear. If a
                                            weed killer is required, test in a small
2. Where the paving has become dull         area prior to use. Always follow the
   showing a loss of colour, a wet wash     manufacturer’s instructions.
   with a stiff bristle brush and garden
   hose can be adequate.
3. For more stubborn areas, a power
   washer can be used, taking care not
   to remove the jointing materials
Efflorescence                                  As the efflorescence dissolves, there         Sealing
This is a naturally occurring                  will be some frothing (effervescence)         The use of certain sealers can prevent
phenomenon, which occurs to                    and once this has finished the whole          most stains occurring on the surface
a varying extent on all cement/                surface should be rinsed thoroughly           and aids cleaning. Sealants may require
lime based products, for which                 with clean water, taking care to dispose      further applications depending on the
Roadstone cannot be held responsible.          of the run-off safely. In some cases,         frequency of use on the paved surface.
Efflorescence is not a manufacturing           more than one treatment may be                Where the surface has been treated
fault and in no way affects the                required.                                     with a specialist prepolymer urethane
structural integrity of concrete                                                             sealer and stabiliser, it should be cured
products.                                                                                    in accordance with the manufacturer’s
                                               Oil stains                                    recommendations before allowing
Efflorescence, also known as lime
                                               Oil penetrates readily into most              trafficking.
bloom, can appear as a white deposit
                                               concrete paving, therefore any
covering part or the entire surface.
                                               spillages should be removed promptly
Except in very severe cases, the
                                               with an absorbent material, e.g. paper        Permeable Paving
phenomenon disappears completely
                                               towels, cloth or granules to prevent          Maintenance
when the blocks are wet and reappears
                                               staining.                                     (Roadstone Aquaflow)
as the blocks dry out. The phenomenon
is temporary and will, with time,              DO NOT wipe the oil - this drives it into     The surface blocks have a design life
disappear as a result of normal traffic        the concrete and spreads the spill over       equivalent to standard block paving.
and weathering.                                a larger area.                                The surface blocks require routine
                                                                                             maintenance and the surface should
Efflorescence can be removed using an          A degreaser should be applied as
                                                                                             be brushed at least twice a year, either
acidic washing agent. The area should          soon as possible to break down the
                                                                                             with a mechanical brush, ensuring that
first be thoroughly soaked with clean          oil. Washing up liquid used neat is a
                                                                                             the vacuum is switched off, or by hand.
water and a commercial acidic washing          good starting point while a suitable
                                                                                             It is recommended that this should be
material (available from Roadstone             degreaser is being sourced. If the stain
                                                                                             carried out in the spring and after leaf
and most builders’ merchants) should           persists, then an emulsifying degreaser
                                                                                             fall in autumn.
be immediately applied in accordance           should be brushed onto the affected
with the manufacturer’s instructions.          area, and left for a period of time, in       After the brushing, the 3mm grit
                                               accordance with the manufacturer’s            should be re-applied to the surface
To avoid colour variation of the washed
                                               instructions. The emulsified oil should       where appropriate (available from
surface, equal amounts of washing
                                               be washed away with plenty of water.          Roadstone) and brushed back into the
agent should be applied to all areas of
                                               (Degreasers are available from your           joints.
the pavement.
                                               local Roadstone outlet and hardware
                                               stores)

    HEALTH & SAFETY
    • Always wear the recommended protective clothing.
    • Always work in a well ventilated area.
    • When using detergents and cleaners please ensure that you follow the manufacturer’s instructions fully.

    NOTE:
    Prior to undertaking any maintenance/cleaning, it is advisable to carry out a trial in a small inconspicuous area to
    ensure there are no adverse effects on the paving.
    This advice is offered as a guide only; Roadstone does not accept any liability for any damages occurring from its
    use.

    For further details please visit www.roadstone.ie
GENERAL INFORMATION
- LAYING PAVING
Roadstone, with its product ranges, has        • For footpaths around dwellings,          • Falls should be built into the sub-base
always kept both the customer and the            material conforming to Annex E of          and the area should be free draining. A
paving contractor at the forefront of its        SR21:2004+A1:2007 “guidance on the         saturated sub-base and laying course
product range, offering both durable and         use of I.S. EN 13242:2002 – Aggregates     is one of the main causes of failure and
pleasing products along with the correct         for Unbound and Hydraulically Bound        rutting.
accessories required to complete any             Materials for use in Civil Engineering
project undertaken.                                                                       • Before spreading the laying paving
                                                 Work and Road Construction                 grit sand, the area should be inspected
When considering the physical work and           (incorporating amendment 1:2007 ---        and no area of the finished level of the
skills required in laying paving, you should     (4/40mm coarse aggregate, or suitable      base course should be more than the
include the following:                           Clause 804 material).                      depth of the block +40mm, especially
1. Do you have the required skill and the      • The sub-base should be compacted           around manholes, kerbing and other
   time to completely finish the job?            using a vibrator or roller to within       obstacles.
                                                 10/15mm of level required. (40mm +
2. Have you access to the required tools?
                                                 depth of paving unit below finished
3. Are you fit enough to carry out the           level).
   physical work required?
If the answer is no to any of the above
questions, you should seek the help of an
experienced contractor.
The following advice consists general
recommendations only, and represent
standard good building practise.
Further more detailed information can be
obtained from www.roadstone.ie
or consult guidance document
BS 7533 Parts 1 to 9.
Site Preparation
• Remove all site vegetation and top
  soil to a suitable load bearing stratum,
  incorporating the correct level,
  including falls. Check and remove any
  soft spots and fill with appropriate
  material.
Sub Base Construction
(typical residential application)
• Typically a sub-base of compacted
  Clause 804 or similar, between 150mm
  and 300mm deep will be sufficient
  for most applications, depending on
  soil type, depth of build-up required
  and loading that will be applied to the
  finished surface.
Edge restraints                                Laying of Paving                                 Plate Vibrating, Interlock and
• A selection of concrete kerbs and            • Decide on required pattern and work            Joint Filling
  edge restraints including Edge Pro are         from a corner.                                 • Use a suitable weight vibrator.
  available from Roadstone.                    • Always lay the paving against any falls        • Ensure the surface of the vibration
• Generally concrete kerbs are used,             (up hill).                                       plate is clean.
  kerbs should be fixed into position          • Work across the paved surface.                 • Some vibrators can be fitted with
  by haunching the kerb unit with a
                                               • Check lines and levels regularly.                a rubber mat that will reduce the
  suitable concrete mix.
                                                                                                  possibility of scuffing the surface of
• Ensure kerb line follows the fall of the     • Cutting of paving should be carried
                                                                                                  the block.
  finished surface.                              out using a block splitter (guillotine)
                                                 – please ensure that you follow the            • The Initial pass with a plate vibrator
                                                 manufacturer’s guidelines for use.               should compact the blocks
Screeding of Bedding                                                                              approximately 20/25% into the sub-
                                               • Always select products from at least
                                                                                                  base, bringing the sub-base sand into
• The laying course should be a washed           three different bales to ensure a
                                                                                                  the joints, creating the interlock.
  course grit sand complying with the            correct blending is achieved.
  requirements of Tables D1 & D2 of                                                             • The area should be checked at this
                                               • A concrete saw can also be used, but
  annex D of BS 7533 Part 3. Available                                                            stage and any defective blocks should
                                                 care should be taken not to allow dust
  from Roadstone locations.                                                                       be replaced.
                                                 from this saw onto the finish surface
• This should be 40mm in thickness after         or the blocks prior to use. Cutting with       • Check levels again and reinstate if
  final compaction.                              a con saw should therefore be carried            necessary.

• Pay particular attention to the setting        out away from the work area and the            • Spread the kiln dried jointing sand
  of the bedding course, as the finished         cut block cleaned before placing.                evenly over the surface ensuring all
  surface of the paving will mirror            • After cutting in and laying all blocks,          joints are full.
  this layer. Ensure correct falls are           check surface and remove and replace           • Re-vibrate surface and top up all joints.
  maintained. Use screeding rails to             any damaged or defective blocks.                 Continue this process until all joints
  ensure a correct surface level.                                                                 are full with sand.
                                               • Sweep all debris material from the
• This can be laid either partial pre-           area and carry out a final check for           • Top up with jointing sand again in 28
  compaction or compacted after laying.          damaged or defective blocks.                     days and follow regular maintenance
• Do not walk on surface after screeding       • Do not lay paving on saturated sand as           procedures afterwards. The finished
  / laying sand.                                 the laying course will be unstable and           area is now suitable for all traffic.
                                                 liable to rutting until the sand dries out.

      IMPORTANT
      Every care has been taken to reproduce the colour and blocks in this document as accurately as possible. However,
      we can not reproduce exact colours in print and recommend you examine relevant samples prior to ordering.
      Roadstone is not responsible for the naturally occurring phenomenon of efflorescence nor the normal variation in
      colour or texture inherent in concrete products.
      The information given in this brochure is correct to the best of our knowledge but customers and specifiers
      must satisfy themselves as to the suitability of any particular product, specification or design detail for a specific
      application.
SAMPLE PAVING LAYOUTS
                                                                             Indicative layouts shown
CASTLESTONE
      CASTLESTONE
            AND SETTS
                  AND SETTS             CASTLESTONE
                                              CASTLESTONE
                                                    MIX OFMIX
                                                          3 SIZES
                                                              OF 3 SIZES     represent a portion of a paved
                                                                             area but should not be used as a
                                                                             pattern to follow or continually
CASTLESTONE AND SETTS
       CASTLESTONE AND SETTS            CASTLESTONE MIX OF MIX
                                              CASTLESTONE  3 SIZES
                                                               OF 3 SIZES
                                                                             repeat, as this may result in
                                                                             having a surplus of one particular
                                                                             size left over. Use all the paving
                                                                             sizes within each bale to cover the
                                                                             required paved area.

CASTLESTONE
      CASTLESTONE
            MIXED MIXED
                  STRETCHER
                        STRETCHER
                            BOND BOND   CASTLESTONE
                                              CASTLESTONE
                                                    450 HERRINGBONE
                                                          450 HERRINGBONE

       CASTLESTONE
CASTLESTONE        MIXED STRETCHER
            MIXED STRETCHER BOND BOND         CASTLESTONE
                                        CASTLESTONE        450 HERRINGBONE
                                                    450 HERRINGBONE

THOMOND RANDOM BOND
URBANA
        URBANA
           COURSED
                COURSED             URBANA
                                        URBANA
                                           RANDOM
                                               RANDOM                 URBANA
                                                                          URBANA
                                                                             SETTS SETTS

    URBANA SETTS                         COBBLESETT 90° HERRINGBONE         COBBLESETT STRECHER BOND

E        COBBLESETT
    COBBLESETT       STRECHER
               STRECHER BOND BOND         COBBLESETT
                                    COBBLESETT PARQUETPAVING

                                                                             Indicative layouts shown
                                                                             represent a portion of a
                                                                             paved area but should
                                                                             not be used as a pattern
                                                                             to follow or continually
                                                                             repeat, as this may result
                                                                             in having a surplus of one
                                                                             particular size left over.
                                                                             Use all the paving sizes
                                                                             within each bale to cover
                                                                             the required paved area.
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