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FOOTPATH AND ROAD REPAIR MORTAR

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					FOOTPATH AND ROAD REPAIR MORTAR
                FIBRE REINFORCED, HIGH EARLY STRENGTH,
                                                                                                            712
                            RAPID SETTING, NON-SHRINK                                               RAPIDEX MORTAR
S   T   R   U    C   T    U    R    A    L        G      R   O      U      T     I    N      G

            DESCRIPTION:                                         TEST DATA:
            LANKO 712 Rapidex Mortar is a rapid                  Properties:
            setting, high strength, fibre reinforced,            Appearance:                            Grey Powder
            medium build roadway and footpath repair             Particle Size:                              0-4mm
            mortar. Lanko 712 can be applied in                  Powder Density:                            1.4KG/L
            thicknesses from 15mm to 50mm without                Initial Set (at 20°C):                  15-20 mins
            shrinkage. Lanko 712 reaches in excess of            Final Set (at 20°C):                    30-40 mins
            50 MPa compressive strength in 24 hours.             Compressive Strength:
            Initial set will occur within 20mins.                (Tested to AS/NZS 2350.11)
                                                                                       3 hours                8.9MPa
            USES:                                                                      4 hours               25.0MPa
            Typical uses would be:                                                     8 hours               35.8MPa
            • Sealing of sight holes, manhole                                            1 day               54.1MPa
                covers, Telecom hatches etc                                            28 days               68.5MPa
            • Installation of street furniture and               * Test results are in accordance with accepted
                signposts.                                       Australian and International Standards and are
            • Repairs to industrial flooring, concrete           achieved under controlled laboratory conditions. They
                                                                 may not represent actual results in field service
                footpaths and roads, pot holes etc.              applications. Reasonable variations can be expected.
            • Bed face for high traffic paving and
                road surfaces.
                                                                 SURFACE PREPARATION:
                                                                 • For all surfaces, loose contaminants
            ADVANTAGES                                             and unsound concrete must be
            • Extremely rapid hardening (20                        chipped away so that a reasonably
              minutes) means reduced down time                     rough, but strong sound surface is
              and earlier in-service return.                       provided.
            • Shrinkage compensated.                             • All surfaces must be free from oil,
            • Fibre reinforced.                                    grease and dust.
            • Easy application, even at low                      • Holes and depressions must be
              temperatures                                         thoroughly cleaned of any loose or
                                                                   dusty particles. These may be cleaned
            • High early compressive and flexural
                                                                   with compressed air or via vacuum
              strengths. Over 50 MPa 24 hours after
                                                                   cleaner to remove loose particles.
              placement.
                                                                 • The boundaries of the surface to be
            • Low segregation of aggregate and fine                repaired must be clearly defined by
              particles at high water levels.                      chiselling or diamond blade grinding to
            • Does not contain chloride accelerators               a depth of 15mm minimum. Avoid
              or metallic powders, so will not cause               featheredging.
              rusting or staining of surfaces and
              metal elements.                                    SURFACE PRIMING:
            • Ready to use – just add water.                     • After cleaning, saturate the concrete
            • Appearance similar to concrete when                  surface with clean water prior to
              cured.                                               applying Lanko 712 Rapidex Mortar.
                                                                 • Ensure that no freestanding water is
                                                                   present on surfaces prior to product
                                                                   application. Remove any free water by
                                                                   use of compressed air or dry towels.

                                                                 MIXING INSTRUCTIONS:
                                                                 • Use as little water as is required in the
                                                                    mix for ease of placement.
                                                                 • Empty contents of pack (or required
                                                                    portion)    into     an     appropriate




            August 2004                                                                                       Page 1
FOOTPATH AND ROAD REPAIR MORTAR
                FIBRE REINFORCED, HIGH EARLY STRENGTH,
                                                                                                        712
                            RAPID SETTING, NON-SHRINK                                             RAPIDEX MORTAR
S   T   R   U    C    T     U    R    A     L        G       R   O       U   T    I   N     G

                 mechanical mixer protected from the                 •   For thicknesses over 50mm, we
                 wind.                                                   recommend Lanko 713 Rapidex
            •    Mix with approximately 3L of water per                  Concrete. This may be used from
                 20kg of Lanko 712 Rapidex Mortar.                       50mm – 200mm.
            •    Mix with an electric drill and paddle               •   Skim off any excess mortar with a
                 (Festo type mixer) or in a pan or                       suitable straight edge or steel trowel.
                 revolving barrel type mixer. Do not mix             •   Allow to set for a period of time before
                 by hand. Allow approximately 5                          finishing with a steel trowel, wooden
                 minutes mixing to achieve maximum                       float or foam float to achieve the
                 results.                                                desired finish.
            •    Adjustments to the mixing ratio may                 •   Do not rework after initial set. Do not
                 be required depending upon site                         retemper with additional water as this
                 conditions. Ideally, mixing water and                   will result in very poor adhesion and
                 substrate should be above the lower                     strength.
                 application temperature limit of 50C
                 and below 300C to avoid problems                    CURING:
                 with the set time of the mix. Small trial           • All Lanko 712 Rapidex Mortar
                 batches to ascertain the best working                 installations should be fully cured. This
                 consistency for the operation are                     will result in a denser and stronger
                 recommended.                                          material.
            •    Place 70% of the required amount of                 • Use Lanko 740 Duracure sprayed onto
                 water into the mixing vessel and                      the Lanko 712 as soon as practicable
                 slowly add the powder while mixing.                   after placement.
                 Gradually add the remainder of the                  • Refer to the Lanko 740 Duracure data
                 water to achieve the desired                          sheet for details.
                 consistency.        Job       placement
                                                                     • Alternatively, keep the product wet for
                 conditions, including temperature and
                                                                       as long as possible during curing with
                 humidity,    may     lead    to    some
                                                                       wet sacks or via intermittent hosing.
                 adjustments in the amount of water
                 addition.
                                                                     COVERAGE:
            APPLICATION TECHNIQUES:                                  • 20kg bag covers approximately
                                                                       0.20m2 at 50mm application thickness.
            • Lanko 712 Rapidex Mortar should be
              placed within a maximum 20 minutes
              of mixing. During that time keep                       CLEAN-UP INSTRUCTIONS:
              material in mixer well agitated. After                 • Clean     mixing and  application
              this time discard any mixed product                      equipment with water immediately
              that shows signs of stiffening.                          following use.
            • Ensure that all surfaces are damp
              prior to application of Lanko 712                      PRECAUTIONS:
              Rapidex Mortar.                                        • Do not rework Lanko 712 after initial
            • Apply a tight first pass of Lanko 712                    set. Do not retemper with additional
              Rapidex Mortar with a stainless steel                    water as this will result in very poor
              trowel or gloved hand, pressing firmly                   adhesion and strength.
              to ensure bonding.                                     • Lanko 712 Rapidex Mortar should be
            • For large surfaces, the mortar may be                    placed within a maximum 20 minutes
              applied by machine spray (wet                            of mixing. During that time keep
              process).                                                material in mixer well agitated. After
            • If large repair works are being                          this time discard any mixed product
              undertaken, and suitable spray                           that shows signs of stiffening.
              equipment is being used, ensure that                   • Ensure that all surfaces are damp
              all normal surface preparation and                       prior to application of Lanko 712
              priming details are adhered to.                          Rapidex Mortar.
            • Apply additional mortar to obtain the
              desired overall thickness.


            August 2004                                                                                   Page 2
FOOTPATH AND ROAD REPAIR MORTAR
                FIBRE REINFORCED, HIGH EARLY STRENGTH,
                                                                                                           712
                            RAPID SETTING, NON-SHRINK                                                   RAPIDEX MORTAR
S   T   R   U     C      T      U       R      A      L            G        R   O   U   T   I   N   G

            PACKAGING:
            20kg polylined bags.

            SHELF LIFE / STORAGE:
            • Storage: must be stored in a cool, dry
              elevated place and protected from
              high humidity.
            • Shelf Life: Up to 6 months in
              unopened bags, if stored as specified
              above

            SAFETY:
            • Being cement based Lanko 712
              Rapidex Mortar is alkali in nature,
              which can cause dermatitis. Thus,
              when using Lanko 712 Rapidex
              Mortar, it is recommended that
              applicators wear PVC or similar gloves
              and safety goggles.
            • For a full MSDS on this product,
              contact the Lanko Technical Advisory
              Line or visit www.lanko.com.au

            TECHNICAL SERVICE:
            For application procedures or surface
            conditions not specified above, please
            contact the Lanko Technical Advisory Line
            on 1800 653 347 or visit our website at
            www.lanko.com.au.

            DISCLAIMER:
            The use of this product is beyond the manufacturer’s control,
            and liability is restricted to the replacement of material
            proven faulty. The manufacturer is not responsible for any
            loss or damage arising from incorrect usage. All
            workmanship must be carried out in accordance with Davco’s
            specific instructions.
            The information contained herein is to the best of our
            knowledge true and accurate. No warranty is implied or given
            as to its completeness or accuracy in describing the
            performance or suitability of the product for a particular
            application. Users are asked to check that the literature in
            their possession is the latest issue.




            August 2004                                                                                     Page 3

				
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