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Restoring the Past, Sustaining the Future.

Heritage Architecture, like aging humans, requires regular examination and maintenance to ensure optimal performance in its environment. At Stone Initiatives, we are passionate about the health and well-being of all heritage buildings. Our qualified team of multi-disipline professioinals can cater and attend to the needs of your precious buildings.

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Stone Initiatives - Federation Square
Inspection - Inspecting Granite slabs
Slip Resistance - Tortus slip testing machine
Analysis -
Building Surveys - Heritage Buildings
Consulting - Phillip Street Foyer
Heitage Services - Heritage Building
Evaluation
Evaluation
Evaluation

Heritage Services

There is no doubt that the conservation of historic monuments and structures improves our environment and adds to our “sense of being”.  A responsible conservation plan requires wise management of resources and sound judgement to control the agents of deterioration and preserve the integrity of the monument.

The ad-hoc and ill informed use of consolidants, sealers, coatings and cleaning methods on historic material, in an attempt to “preserve our history”, can result in irreversible damage to our cultural heritage.

Determination of the material’s characteristics and physical properties allows the conservation plan to be based on informed decisions thereby minimising the risk of damage or unnecessary deterioration.

Stone Initiatives assists owners, architects and conservators in developing the knowledge necessary to produce an informed conservation plan.   Stone Initiatives specialises in the testing and evaluation of building stone and related materials such as historic coatings, mortar and cement products.  Services available include determination of the physical properties of building materials, selection and sourcing of replacement stone for use in historic structures, analysis of historic mortars and analysis of lime washes and other organic and inorganic coatings.

Like all building materials, dimension stone is subject to failure through improper use, installation or maintenance.  The identification of the cause of such failures is important to avoid recurrence of the problem.  Stone Initiatives has expertise in the field of failure analysis that has assisted clients to determine the cause of failures in a wide range of materials, structures and locations. 

Stone Initiatives can also assist in the development and trialling of suitable rectification methods, these may include investigations to select a suitable consolidant, cleaning method or matching and repair of historic materials.

Our Team

At Stone Initiatives, our versatile and experienced heritage team includes heritage scientist, conservator, stone expert, geologist and laboratory technicians.

Mark Milevski

Heritage Materials Testing Specialist
- BSc - Geology and Geophysics

mmilevski@stonemtg.com.au

Kin Hong Ip

Heritage Conservation Scientist
- BSc (Hons) - Applied Chemistry
- PhD Conservation

kip@stonemtg.com.au

James P. Mann (Jim)

Principal Dimension Stone Specialist
- ASAA

jmann@stonemtg.com.au

 

Our Services

Consultation

- Onsite observation and dilapidation survey
- Determination of suitable mortar, render and coatings
- Heritage fabric condition report
- Sample Collection

Testing

Mortar Compositional Analysis:

- XRD analysis for semi-quantitative identification of constituents.
- Determination of Cement (pozzolan) / Lime / Sand content.
- Sizing of aggregate and microscopic examination to determine sand morphology.
- Determination of clay content
- Recommendations for replacement mortar mixes

Sample Mortar Report

Onsite Testing:

- Moisture Survey: moisture mapping of building surfaces
- Sorptivity: absorption pattern of heritage fabric
- Salt damp detection: presence of soluble salt in heritage fabric

Laboratory Testing:

- Determination of mineral composition of mortars and coatings
- Efflorescence analysis: salt type (XRD) and salt content (TDS)
- Desalination progress eg TDS of poultice

Diagnostic

- Stone and Mortar health: extent of deterioration and weathering
- Weathering factors: rising / falling damp, salts, UV, human impact etc
- Preparation of conservation plan

Treatment Recommendation - for restorable materials

- Salt Removal: poulticing, wet/dry cycling and vacuuming
- Damp management: hardware repair and management
- Intervention Treatment: damp proof course and drainage diversion
- Stone Treatment: consolidant characterisation and matching
- Desalination progress eg TDS of poultice

Material Matching - material replacement

- Compatibility Testing: physical and chemical characteristics of matching new materials
- Accelerated Testing: accelerated weathering tests on new materials

Preventative Conservation

- Ongoing site survey, integrated maintenance and management plan

 

 

Research Projects

- Heritage related research projects
- Investigation of traditional building materials
- Specific material analysis and research

Failure Analysis

- Investigation into material failure in restored heritage buildings

Past Projects

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Mortlock Wing State Library SA
Palm House SA
Contour Delamination of Sydney Sandstone
Warders Cottages WA
Carrick Hill - Basket Range SA
Historic Kapunda Mines SA