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Spark Square

23 Aug 2021 by Equus Industries

Overlooking Christchurch’s Cathedral Square, the new Spark Square is a five-storey building designed to accommodate over 500 employees of Spark Headquarters, as well as retail and hospitality space including a roof top bar and restaurant.

Spark Square sits on the site of the former BNZ building which was damaged and demolished after the Canterbury 2011 earthquakes, and links Cathedral Square to the city’s redeveloped retail precinct.

The development was designed by Sheppard & Rout Architects and took over 3 years of design and construction before it was completed in early 2020. Since its opening, Spark Square has been the recipient of the NZ Commercial Project Awards 2021, and the NZIA Canterbury Commercial Award 2021. Equus are proud to be involved this iconic building, which was one of the first to open in the Cathedral Square rebuild. The unique design of the building required our solutions to work within the architect’s design parameters.

A Duotherm Warm Roof system was installed to the entirety of the roof, and the exterior top floor balcony. The warm roof included a custom designed tapered insulation scheme, with some of the thickest areas of insulation reaching over 90mm. This roof system allowed the most economical solution to meet the architect’s aesthetic design. There was a very in-depth design phase to ensure the roof was the perfect solution, and this warm roof was ideal as the insulation provides the building with thermal efficiency and allows for lower energy usage throughout the year with less requirement for heating in winter, and cooling in summer.

The warm roof consists of the DuO two-layer membrane applied over a PIR insulation board and vapour barrier. This guarantees a continuous and efficient thermal resistance (R-value) as per the New Zealand Building Code. The roofing system moves the dew point to the outside of the building which ensures no condensation build up inside the ceiling cavity, which makes for an overall healthier building.

The exterior balcony on the hospitality level also required a custom designed tapered insulation scheme, which again assisted in the economic cost of the roof build. Pedestals and pavers were installed over the membrane on the exterior balcony. The exterior plant decks were also completed with a DuO Two Layer membrane system which provided a durable and long life waterproofing membrane.

The exterior pavers around the entrance and perimeter of the building were installed over the Aquafin 2K/M Plus membrane and included Matacryl waterproofing in the strip drains. Aquafin 2K/M Plus is a cementitious waterproofing that provides a flexible, seamless, crack bridging characteristics. Cathedral Square has a significantly high and fluctuating water table, which meant a full and robust underground waterproofing was required, with a highly technical design and value engineering. The DeboFlex 3.5 Special membrane was applied to the walls and foundations to prevent water penetrating the basement areas. The unique tanking system provided high-quality waterproofing with strong puncture resistance, that bonds to the concrete. Overall, this system provided an economical solution for the complex waterproofing requirements. Overall, the unique design of roofing and tanking required thorough QA from Equus to ensure quality of installation throughout the project.

The systems comply with the New Zealand Building Code, and the DuO and DeboFlex membranes hold current BRANZ appraisals.

Certified Applicator – Roofing: Application Specialists
Certified Applicator – Tanking: H2 OFF Ltd
Architect: Sheppard & Rout Architects
Main Contractor: Naylor Love

Spark Square

Spark Square

Spark Square

Spark Square

Spark Square

Spark Square

Spark Square

Spark Square

Equus Industries
New Zealand
Equus Industries Limited is a private limited liability Company (#120201) incorporated in Blenheim New Zealand in 1982.  The Company commenced business, immediately after formation, as a manufacturer of specialist coating systems for commercial buildings. This remains the main thrust of the operation to this day, with additional high quality complementary products introduced to extend the range to encompass a full range of coating and waterproofing materials for all types of construction.The Company has been an exporter of specialist lines from late 1983 to date. The Company has exported regularly to Australia, the South Pacific and South East Asia, and presently has strong links with distributors in Australia and South East Asia.Since formation, growth has been steady and continuous at an average 15% annual compound rate. The Company now has a multi-million dollar turnover and is respected as a supplier of quality protection materials to the construction industry.PRODUCT RANGEEquus Industries markets a wide range of high build waterproof finishes, textured coatings, and protective coatings under the brand names Chevaline, Traxx, Protexx, Thermexx and Equus. Our expertise is particularly in the areas of high build acrylic coatings and membranes, waterborne epoxies and high solids one – and two component urethane coatings. The Company is most probably the leading Australasian manufacturer in the area of liquid-applied acrylic roofing membranes, and single-component moisture-cure urethane coatings. The Company has established very close relationships with its principal raw material suppliers in these fields, and operates in the forefront of technology in these areas.Our prime object has been to place the Company in the position of being able to supply all finishes and waterproofing materials required to protect buildings from sub-basement to roof levels. Where the technology or manufacturing requirements are outside of our standard capabilities, the Company has secured distribution arrangements for appropriate products from leading manufacturers in their respective fields as noted under `Agencies’ later in this profile.Where appropriate, materials are covered under a Warranty system which is operated in conjunction with the Certified Applicator from the Equus Network who carries out the work on any particular project.All products are manufactured under strict Quality Assurance standards monitored and controlled by our in-house laboratory. The Company has a TQM philosophy and is at present working within the parameters of an ISO9002 framework.FACILITIESThe Company’s production facility, laboratory and Head Office are located on 1.2 hectares of land in the Riverlands Industrial Estate, Blenheim, New Zealand.The production equipment is modern and standardised, and the Plant has a capacity of up to 1.2 million litres of product per annum when operated on a single-shift basis. There is considerable room for expansion of the facility to cope with all requirements in the foreseeable future.Additionally, the Company operates stores in Auckland, Wellington, and Christchurch, where basic stocks of commonly used products are held for immediate supply. The Company regards itself as a custom-formulator, rather than a manufacturer of conventional products, and stock holdings of standard products are rationalised for maximum stock turnover.Technical representatives service both Clients and Certified Applicators, working from offices associated with the stores in all areas. Full technical back up to the sales staff is provided from the Head Office/Laboratory facility in Blenheim.DISTRIBUTION NETWORKEquus Industries Limited is not directly involved in retail sales. Distribution of Equus products is normally to Certified Applicators who are familiar with and trained in the use of the Equus range of products either in part, as Specialist Applicators for product ranges within the Network, or in total for major Applicators and those working in smaller centres.A close relationship between Equus Certified Applicators and Equus Industries ensures that there is full co-operation on site between the Manufacturer’s Supervisory/Technical Staff, and the Applicator’s own staff. Quality Assurance Programmes instituted by the Manufacturer are therefore meaningful, noting that programmes are generally written for individual contracts to take in all aspects of work on that particular contract. This facet of the operation is controlled by the Company Compliance Manager.DIRECTORATEThe Company was founded, and has been operated since inception, by the current Directors, who are:Brian J Greenall BE (Chem), MNZIC, FTSC, AMIChemEManaging DirectorMarinus Wagenvoort BSc, MNZIC, ATSCTechnical DirectorAnd were joined in 2006 by:Rob Roxburgh – General Manager / DirectorNikki Brown – Financial and Administration DirectorThese Directors have all been associated with the Company for a number of years including time in Senior Management roles and bring youth, skills and vitality to ensure the continued strength of the organisation into the future.It should be noted that the Directors and senior technical representatives have amongst them over 170 years combined experience in the surface coatings and construction industries.ASSOCIATED PARTNER COMPANIESAs mentioned previously, Equus Industries Limited has formed a firm association with a number of companies outside New Zealand to ensure that the best possible products to fulfil market requirements, and to meet our objective of ensuring that we have available all protective materials required on a project, which can then be sourced from one supplier, generally through one Approved Applicator.These companies include:De Boer N.V – BelgiumUnique quality torch-on roofing and tanking membranes and ancillary products.Schomburg GMBH & Co KG – GermanyCementitious waterproofing, adhesives and ancillary products.Kingspan Insulation Ltd – UKPolyisocyanurate foam building insulation products.Recticel Insulation – BelgiumPolyisocyanurate foam building insulation products.RPM – Belgium/Alteco – Belgium/GermanyMMA and PUMMA flooring and waterproofing systems.Danosa – SpainAPP torch-on membranes, self-adhesives, sound insulation and associated materials.Keimfarben GMBH & CO KG – GermanySilicate paints and plasters.Sealboss Concrete Solutions – USAPolyurethane and epoxy injection systems.In all cases, Equus Industries Limited has the distribution rights for the New Zealand Market.

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