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					Woodside General Learning Areas (6)                                           0651 RESILIENT FINISHES



0651 RESILIENT FINISHES




1     GENERAL


1.1   AIMS
Responsibilities
Install resilient floor coverings to substrates as follows and/or to Selections:
- To remain secured for the warranty life of the covering.
- To remain consistently smooth for the warranty life of the covering.
- To form the pattern required.

1.2   CROSS REFERENCES
General
General: Conform to the General requirements worksection.
Associated worksections
All sections of this specification are to be referred to as one document.

1.3   INTERPRETATION
Definitions
General: For the purposes of this worksection the definitions given below apply.
- Resilient floor coverings classification: To BS EN 685.
- Substrate: The building element to which the finish is to be applied. Includes ‘subfloor’ as defined in
  AS/NZS 2455.1.
- Underlay: A layer of sheet material or in situ filling on the substrate to provide a suitable surface for
  the resilient covering.

1.4   INSPECTION
Notice
Inspection: Give sufficient notice so that inspection may be made of the following:
- Completion of laying underlay, if any.
- Substrate immediately before fixing resilient finishes.
- Finished surface before applying sealers or polishes (if any).
- Completed installation.

1.5   TESTS
Slip resistance
Submit tests as follows:
- Type test slip resistance of flooring product to AS/NZS 4586.
- Site test completed surfaces to AS/NZS 4663.
Seamless finishes site tests
Epoxy base coat test: Using the base coat epoxy as an adhesive, glue to the prepared base, at
approximately 4 m centres, at least four M10 hexagon steel bolts. When the adhesive has set, pull the
bolts off the surface using a lifting apparatus. The test has failed if the fracture occurs at the glue line
or within the epoxy. For each failure, carry out 2 further tests in the same area after rectification.
Adhesion test, cross cut method: To AS 1580.408.4, modified as follows:
- Sample: Delete clause 5.
- Test areas: Delete clause 8(a). Select the areas to be tested on the in situ finished surface, at the
                                    2                                                     2               2
   rate of one test area per 10 m of surface (or part thereof) for surfaces up to 40 m , one to 25 m for


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                        2                  2                                 2
  surfaces 40 – 200 m , and one to 50 m for surfaces greater than 200 m . Test the areas 24 – 48
  hours after application.
- Procedure: Delete clauses 8(c)(i) and (ii) and 8(k). Make 6 cuts, spaced 2 mm apart, or 3 mm apart
  if the average film thickness exceeds 150 µ and the substrate has an uneven profile.
- Test report: Delete clauses 9(c) and 9(j).
- Acceptance: Test results are acceptable if classified 0, 1, or 2 to Table 1.

1.6   SUBMISSIONS
Samples
Range: Submit labelled samples of resilient finishes illustrating the range of colour, pattern or texture
as seen in the finished work.
Minimum size per sample:
- Sheet: 450 x 450 mm.
                               2
- Tiles: A whole tile or 0.09 m , whichever is the greater.
- Linear accessories (coving, skirting, stair nosing, protection strips, and the like): A piece 300 mm
   long.
Welded joints: Submit a sample joint 300 mm long.
Seamless finishes
Seamless materials: Build up samples on a suitable base, showing the thickness of each coat.
Size: 450 x 450 mm.
Identification
Labelling: Label each sample, giving brand, product name, and manufacturer’s code reference
(including the code for each coat of multi-coat work).
Subcontractors
General: Submit names and contact details of proposed suppliers and installers.
Tests
Manufacturer’s test data: Submit independent testing authorities’ reports of factory or type tests
showing that materials comply with cited standards.
Materials and components
Manufacturer’s data: Submit the manufacturer’s published product data for each type of finish, and
recommendations for its application in the project, including, where relevant the following:
- Composition, thickness, finish and time between coats for multi-coat work.
- Thickness and width of sheet or size of tile.
- Adhesive and jointing method.
- Resistance to wear, indentation, chemicals, light, fire, and the like.
- Flexibility and bending strength.

2     PRODUCTS


2.1   MARKING
Identification
General: Deliver materials to the site in the manufacturer’s original sealed containers legibly marked to
show the following:
- Manufacturer’s identification.
- Product brand name.
- Product type.
- Dimensions and quantity.
- Product reference code and batch number.
- Date of manufacture.
- Material composition and characteristics such as volatility, flash point, light fastness, colour and
  pattern.
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- Handling and installation instructions.

2.2   UNDERLAYS
Cementitious
General: Polymer modified cementitious self smoothing and levelling compound.
- Surface tolerance: To AS/NZS 2455.1 clause 1.4.
- Thickness: 3 mm minimum.
Fibre cement underlay
Standard: To AS/NZS 2908.2, Type B, category 2 minimum.
Thickness: 5 mm minimum.
Hardboard underlay
Standard: To AS/NZS 1859.4.
Classification: General purpose medium board, manufactured specifically as flooring underlay.
Thickness: 5.5 mm.

2.3   SHEETS AND TILES
Edges of sheets and tiles
General: Ensure edges are firm, unchipped, machine-cut accurately to size and square to the face,
and that tile edges are square to each other.
Cork tiles
Standard: To BS EN 12104.
Linoleum
Standard: To BS EN 548.
Corklinoleum
Standard: To BS EN 688.
Rubber
Standard: To BS 1711.
Polyvinyl chloride (PVC)
Resilient floor covering, jute or polyester felt backing: To BS EN 650.
Resilient floor covering, with foam layer: To BS EN 651.
Vinyl bench topping
General: Fully flexible homogeneous sheet.
Adhesives
Standard: To AS 3553except for Kangaroo Island, the Adelaide hills and in the South East of SA below
Meningie where waterproof screed (Carson 244 or equal approved) shall be applied then the floor
coverings shall be installed using the appropriate adhesive. All adhesives shall be applied at full
strength.
Flexible terrazzo tiles
General: Marble or granite chips bedded in a flexible thermoset resin matrix, precision ground and
polished.
Static control flooring
General: Unbacked flexible PVC or linoleum sheet with carbon particles permanently heat and
pressure fused throughout the thickness of the material with electrical resistance within the range of
surface resistance specified in AS 2834 clause 2.1.2, when tested to AS 4155.6.
Acoustic sheet vinyl
General: Unbacked flexible sheet vinyl laid over separate closed cell foam underlayment.
Underlayment thickness: 2 mm.
Slip resistant sheet vinyl
Verification: A product type tested to confirm the stated slip resistance classification.
Inlaid vinyl sheet
General: A layer of vinyl chips inlaid in a translucent vinyl matrix, bonded to a moisture resistant
backing.

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2.4   SEAMLESS FINISHES
Epoxy base coat
General: An odourless, non-flammable, low toxicity, two pack pigmented epoxy resin of selected
colour, chemically cured, capable of bonding on to fresh or damp concrete when applied by brush or
roller.
Polyurethane undercoat
General: Two-pack aromatic polyurethane.
Polyurethane top coat
General: Two-pack light stable aliphatic polyurethane.
Cement rubber-latex
Type: A mixture of Portland or high alumina cement, aggregate, fillers and pigment, gauged with a
stabilised aqueous emulsion of rubber-latex, natural or synthetic.

2.5   SYNTHETIC SPORTING SURFACES
Standard
General: To AS 3541.1.

3     EXECUTION


3.1   SUBCONTRACTORS
General
General: Use specialist installers recommended by the materials manufacturers.

3.2   PREPARATION
Substrates
General: Ensure substrates conform to the Substrate tolerance table and are as follows:
- To AS/NZS 2455.1 or AS/NZS 2455.2, as appropriate.
- Clean and free of any deposit or finish which may impair adhesion or location and functioning of
  movement joints.
Substrate tolerance table
Property                          Length of straight edge laid in Max. deviation under the
                                  any direction                     straight edge
Flatness Class A                  3m                                3 mm
Smoothness                        150 mm                             1 mm
Projections                       50 mm                              0.5 mm


Cleaning concrete surfaces: Mechanically remove the following surface treatments:
- Sealers and hardeners.
- Curing compounds.
Cleaning timber surfaces: Remove oil, grease and traces of applied finishes.
Concrete substrate correction: Remove projections and fill voids and hollows with a levelling compound
compatible with the adhesive.
Timber substrate correction: Remove projections. If conformance to the Substrate tolerance table
can not be achieved fix an underlay in brick pattern with joints avoiding substrate joints.
Moisture content: Do not commence installation unless:
- Concrete: The moisture content of the concrete has been tested to AS/NZS 2455.1 Appendix B and
  the values in clause 2.4.2 (c) have been obtained. . Moisture content shall not exceed 5% at the time
  of laying the floor covering.
- Plywood and timber: the moisture content of battens/joists or plywood background has been tested
  to AS/NZS 1080.1 and values obtained as follows:

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   . Airconditioned buildings: 8 to 10%.
   . Intermittently heated buildings: 10 to 12.5%.
   . Unheated buildings: 12 to 15%.
Seamless finishes
Seamless flooring on concrete substrates: Prepare the substrate surface by one of the following
methods and vacuum clean prior to priming:
                                                                                                     2
- Acid etching to using a solution of hydrochloric acid and water in equal parts, applied at 0.5 L/m .
   After reaction, wash concrete and allow to dry.
- Shot blasting.
- Scabbling.
- Rotary disk sanding.
- Needle gunning (small areas).
- Bush hammering (small areas).
Fixtures: Remove door stops and other fixtures, and refix in position undamaged on completion of the
installation.
Working environment
General: Do not start work before the building is enclosed, wet work is complete and dry, and good
lighting is available. Protect adjoining surfaces.
Conditioning
General: Stabilise the room temperature for seven days prior to, and two days after, installation of
resilient finishes, as follows:
- Areas with airconditioning installed: Run airconditioning at operational temperature.
- Airconditioned areas not operational: Maintain a room temperature range of < 30º > 18ºC.
- Underfloor heating: Turn off heating and allow background to stabilise at the temperature
   recommended by the carpet manufacturer.
- Un-airconditioned areas: Install at < 30º > 18ºC.
Expose both faces of each sheet of underlay for > 24 hours before fixing.
Stack resilient sheet and tile floor covering for > 48 hours before installation.

3.3   SHEET AND TILE INSTALLATION
Sheet set out
General: Set out sheets to give the minimum number of joints. Run sheet joints parallel with the long
sides of floor areas, vertically on walls.
Tile set out
General: Set out tiles from the centre of the area. Wherever possible cut tiles at margins only, to give a
cut dimension of at least 100 mm x full tile width. Match edges and align patterns. Arrange the material
so that variation in appearance is minimised.
Joints
Non-welded: Butt edges together to form tight neat joints showing no visible open seam.
Junctions
General: Scribe neatly up to returns, edges, fixtures and fittings. Finish flush with adjoining surfaces.
Rolling
General: Where rolling is required, roll the finish in 2 directions before the adhesive sets, using a 70 kg
multi-wheeled roller.
Change of finish
General: Maintain finished floor level across changes of floor finish including carpet.
Cleaning
General: Keep the surface clean as the work proceeds.

3.4   TILING
Cork tiles
Laying: Provide a water-based latex adhesive. Do not use pins.
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Finishing: Sand after laying.
Rubber tiles
General: Keep tiles flat during storage. Before laying allow the tiles to relax and decompress, and
ensure that the backs are free of loose material.
Adhesive:
- Horizontal surfaces: Solvent-free epoxy mechanically mixed and used only within the limit of pot life.
- Stair skirtings, stop ends, external mouldings and vertical surfaces: Neoprene contact adhesive
   applied to both the tile or accessory and the substrate surface. Fix when both surfaces are touch dry.
Laying: Lay tiles in stretcher bond. Match edges and align joints and studs. Ensure that the whole
surface of the tile or accessory is in contact with the substrate.
Finishing: Sweep, vacuum, and wash using clean warm water and household soap only, to remove
foreign matter, including protective wax coating. Buff when dry. Provide a suitable polish if
recommended in conjunction with buffing.

3.5   VINYL SHEETING
Welded joints
Heat welding: After fixing, groove the seams using a grooving tool and weld the joints with matching
filler rod and using a hot air welding gun. When the weld rod has cooled, trim off flush.
Cold welding: Apply seaming compound 100 mm wide to the substrate centrally under the seam. Roll
the seam until the compound is forced up into the joint. Clean off flush using a damp cloth.
Epoxy jointing: Join seams with epoxy adhesive.
Welded joints schedule
Sheet and tile type                                  Welding type
Sheet vinyl                                          Heat welded using matching filler rod


Conductive vinyl sheeting
General: Install conductive vinyl sheet on a copper grid comprising copper tape 80 m thick x 10 mm
wide adhered to the floor with conductive adhesive. Lay copper tape along each length of sheet vinyl
                                                                                                  2
and connect it at right angles to a 1 M resistor. Connect to earth with copper tape at 20 – 30 m
intervals.

3.6   SEAMLESS FLOORING
General
Seamless flooring: Do not install seamless flooring when the temperature in the laying area is outside
the recommended range.
Protection
General: Keep traffic off finished work for 60 hours.
Polyurethane
Epoxy base coat: Apply colour epoxy base coat or coats at a rate which gives a finished thickness of at
least 250 m.
Vinyl chips: Spread vinyl chips evenly over the floor into the epoxy base coat or into the first
polyurethane coat, or both.
Sanding: After the first or second polyurethane coat has been applied, sand the surface lightly using
power sander. Remove sanded material by vacuuming.
Polyurethane top coats: Apply at least 3 polyurethane top coats so that the epoxy base coat does not
show through and provide a total thickness of polyurethane above the chips of at least 200 m, and a
total thickness of the top coats of at least 50 m.
                                                                2
Anti-slip surface: Sprinkle glass beads at the rate of 125 g/m into the first polyurethane coat applied
after sanding, and while the floor is still wet.
Epoxy and polyester
Laying in alternate bays: Divide the floor into bays up to 2 m wide. Lay every alternate bay. Where
required provide screed rails firmly anchored and accurately set to levels. Complete each bay in one
continuous operation to eliminate visible joints.
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Intermediate bays may be laid the next day. First remove screed rails, and prime edges.
Laying in adjoining bays: Divide the floor into bays up to 2 m wide. Where required provide screed rails
firmly anchored and accurately set to levels. Complete the floor in one continuous operation, to ensure
bonding and to eliminate visible joints.
Sealing and finishing: After the screeded floor has cured (at least 12 hours after laying) remove loose
material and irregularities from the surface. Apply sealer to the surface in 2 coats, the second within 48
hours of the first.
Anti-slip surface: Incorporate anti-slip aggregates into the second sealer coat.

3.7   JOINTS AND ACCESSORIES
Junctions
General: Finish junctions flush with adjoining surfaces. Where changes of floor finish occur at
doorways locate the joint on the centreline of the closed door leaf.
Seamless flooring junctions
General: Make the junction or exposed edge by one of the following methods:
- V-joint: Form the V-joint in the concrete base and carry the finish into the joint.
- Overlap: Carry the finish 100 mm past the junction line to be overlapped by the adjoining finish.
Accessories
General: Provide purpose-made matching moulded accessories for nosings, coves, skirtings, edge
cover strips and finishes at junctions, margins, and angles, if available. Otherwise form accessories
from the sheet material. Provide solid backing for radiused coves and nosings.
Accessories schedule
Accessory type                                        Location
Cove backing                                         To coved vinyl skirtings


Cover strips
General: Provide edge cover strips at junctions with different floor finishes and to exposed edges.
Metal cover strip: Extruded tapered strip 25 mm wide, of the same thickness as the sheet or tile. Fix
with matching screws to timber bases or to masonry anchors in concrete bases, at 200 mm maximum
centres.
UPVC cover strip: Feather-edge strip matching the floor finish, fixed with contact adhesive.
     - Colour:                                  Match flooring
Caulked joints
General: Provide caulked joints filled with sealant and finished flush with the vinyl surface.
At junction of built-in cupboard plinths and other fixtures in contact with floor.

Movement joints
Location: Provide movement joints as follows:
- Over structural (isolation, contraction, expansion) joints.
- At junctions between different substrates.
Depth of joint: Right through to the substrate.
Sealant width: 6 – 25 mm.
Depth of elastomeric sealant: One half the joint width, or 6 mm, whichever is the greater.
Movement joint materials – sheet flooring
Divider strip: A proprietary expansion joint consisting of a neoprene filler sandwiched between plates
with lugs or ribs for mechanical keying. Set flush with the finished surface.
Proprietary slide plate divider strip: An arrangement of interlocking metal plates grouted into pockets
formed in the concrete joint edges.
Sealant: Two-pack self-levelling non-hardening mould resistant, one-part silicone or polyurethane
sealant applied over a backing rod. Finish flush with the tile surface.
- Floors: Trafficable, shore hardness > 35.

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Backing rod: Compressible closed cell polyethylene foam with a bond-breaking surface.
Movement joint materials – seamless finish
General: Carry the seamless finish material over the edges and down the sides of the control joint in
the base.
Vinyl skirting
Feather edge: Moulded PVC skirting section to sheet vinyl
Moulded PVC flat edge skirting section to carpeted floor areas.
Flat PVC skirtings are intended for use with carpet and provide a solid margin to assist the carpet
laying process. Skirtings may be cut from sheet material but are more costly.
Fixing: Scribe as necessary. Mitre corners. Fix to walls with contact adhesive. When fixed to masonry
face walls, fill all perpends and bed joints flush with face of wall prior to fixing skirting.
Minimum height: 100 mm.
Proprietary Item:                                Armstrong skirting or equal approved
Colour:                                          Refer FINISHES SCHEDULE
Rubber coved skirtings and margins
General: Form from smooth flat sheet matching the colour and total thickness of the rubber flooring.
Scribe and mitre at internal corners.
External corners and stop ends: Provide purpose-made matching moulded pieces.
Coves and nosings
Coved skirtings: Carry the flooring material up over a profiled coving section to form skirting, weld all
joints.
Minimum radius: Formed in situ:
- Vinyl finishes: 20 mm.
- Rubber finishes: 25 mm.

3.8   COMPLETION
Protection
General: Keep traffic off floors until bonding has set or for 24 hours after laying, whichever period is the
longer. Do not allow water in contact with the finish for 7 days.
Reinstatement: Repair or replace faulty or damaged work. If the work cannot be repaired satisfactorily,
replace the whole area affected.
Warranties
General: For each type of resilient finish specified, submit the installer’s warranty of the workmanship
and application.
Certificate of compliance
General: Provide a Certificate of compliance for antistatic and conductive floor installations.
Maintenance manual
General: Submit manufacturer’s published use, care and maintenance requirements for each type of
finish.
Spare materials
General: Supply spare matching covering materials and accessories of each type for future
replacement purposes. Store the spare materials on site where directed.
Quantity: At least 1% of the quantity installed.
Cleaning
General: Clean the finished surface. Buff and polish. Before handover, mop and leave the finished
surface clean and undamaged on completion.
Cleaning antistatic and conductive flooring
General: Do not use sealers, wax or floor polish. Clean using a mild neutral detergent and lukewarm
water. A clean floor may be dry buffed using a normal scrubbing machine and a white nylon pad.




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4       SELECTIONS


4.1     SCHEDULES
Sheet and tile schedule
Designation               RF1                             RF2
Type                      Tarkett Commercial              Altro
Form                      Sheet                           Sheet
Style                     Megalit                         Safety Flooring KR12-30
Sheet width (mm)          2000mm                          2.0m
Thickness (mm)            2.0mm                           3.0mm
Surface                   -                               R12 slip resistance
Underlay                  Forbo Corkment                  Direct stick – no underlay
Thickness (mm)            2mm                             -
Sheet width (mm)          2000mm                          -
Installation              Glued as per Manufacturer’s     -
                          instructions




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