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Solutions to Problems
We are here to provide you with solutions to your flooring problems and are with you for all phases of the project
Design & Delivery Experts
Installing your floor is just the beginning. The service we provide is an ongoing commitment to partnering with Business Owners, Builders, Engineers, Architects, Landscape Architects and Interior Designers from design all the way through to delivery.
Please call us for assistance on:
The supply and installation of commercial and industrial flooring
- Epoxy Coatings
- M.M.A flooring
- Polyurethane
- Coatings
- Polyester
- Polymer Cement
- Polyurea
- Concrete floor repair and maintenance
- Floor leveling/regrading
- Topping to falls
- Polished concrete
- Diamond grinding
- Captive shotblasting
- Scabbling/Concrete reduction
- Removal of existing floors
Poly Tech Tasmania is committed to providing the right solutions for our clients, whatever their needs. Before we provide a quote, we will assess clients’ exact needs with regard to:
- Durability
- Strength
- Slip resistance
- Ease of cleaning
- Chemical resistance
- Surface finish
- Flatness/gradient
- Hygiene
- Colour and aesthetics
Call us today to discuss how our services could be the solution you are looking for.
Surface Preparation
It’s all about PREP!
The key to the overall success of all specialised applications is the preparation.
Correct substrate preparation is achieved by the various methods outlined below. A general guide to the correct technique is determined by two factors:
i) The condition of the existing substrate and the need to remove any existing coatings, or contaminants
ii) The requirements of the subsequent coatings or topping to be applied.
Captive Shot Blasting
Captive shot blasting is the profiling of the substrate by way of mechanically firing steel abrasives onto the floor surface at great force to create the desired profile for subsequent coatings. The process involves containment of the steel grit within in the body of the machine, which is drawn back and recycled for continuous use.
Captive shot blasting has been proven through studies to be the most effective form of concrete preparation. Captive shot blasting is up to 20% more effective than other methods of surface preparation such as diamond grinding.
Captive shot blasting can where appropriate be effective as a standalone profile for tiles or concrete where a decorative and/or non-slip finish is required.
Diamond Grinding
Diamond grinding is by definition the most practical and widely used method of concrete preparation, in particular where the desired finish is not compatible to the more aggressive method of profiling.
By virtue of the numerous combinations and configurations of blade selection combined with the various machinery available offers a broad range of solutions to many facets of concrete preparation, such as the removal of carpet and tile glue, the removal of cementitious screeds and toppings through to the general cleaning and removal of latent’s and preparation for subsequent finishes. Another area where diamond grinding stands alone is in the area of polishing concrete to expose the aggregate where an architectural finish is required or an ethically suitable clear finish is desired. Diamond grinding is widely specified in the rectification of undulating or rain damaged concrete.
Scarifying
Scarifying is performed by the use of a mechanically driven drum containing tungsten tipped discs which aggressively removes coatings or concrete for the preparation of the substrate to receive high build trowel on toppings or in the preparation of slab on slab toppings.
Heavy duty scarifying removes the existing substrate and exposes the underlying coarse aggregate which creates a suitable plane that will bond to the new concrete overlay or system. In general typical scarifying depths range from 3mm to 10mm. The result of scarifying is an exposed aggregate which is a clean and undamaged layer of concrete ready to provide a strong anchor for the overlay or repair material.
Acid Etching
Acid etching is the reaction of a dilute acidic solution with the surface laitance resulting in a fine sandpaper like texture suitable for over coating with thin penetrating sealers and coatings.
Acid etching by definition has in the past not been environmentally sound. The hazardous fumes associated with hydrochloric acid combined with the corrosive effect on exposed steel have led to the widespread condemnation of this method by the engineering profession.
This method has now been refined. A combination of mild organic detergents, emulsifiers and solvents results in the desired etching profile whilst not affecting the concrete matrix or having negative environmental effects.
Acid etching carried out correctly provides for excellent coating adhesion and penetration by opening up the surface of the concrete.
High Pressure Cleaning
High pressure cleaning is used in conjunction with any combination of the above methods where the relevant substrate required specific treatment for the removal of oils, staining and contaminates etc.
Conclusion
The above list of techniques is not exhaustive and it is more than likely that a repair strategy will involve a combination of methods. However, when selecting repair techniques, aspects must be considered other than just the technical.
Click here to make an enquiry regarding our Surface Preperation Solutions
Concrete Repair
On our Flooring Solutions projects, we sometimes need to repair the concrete before the flooring can be successfully laid. Having a solid foundation for our flooring contributes to a long lasting result.
Crack Repair
As a result of shrinkage, structural or thermal movement concrete is prone to cracking in varying degrees of severity, from relatively inactive hairline flaws through to major faults and fractures resulting in structural weaknesses that greatly increase the risks of corrosion and ultimate failure.
The need for effective solutions for each category of faults is paramount to the long term durability and stability of the substrate. This is achieved through several repair methods:
1) Crack Injection
Crack injection method provides a non-disruptive solution by injecting epoxy or polyurethane resins in the void via a low-pressure injection system.
Crack injection is also suitable for overhead, vertical and horizontal fractures and flaws
2) Flexible Membranes
As opposed to the isolated repair methods above the use of a flexible liquid membrane provides a protective covering over the surface area encapsulating and protecting the substrate. These systems are in general specified where a waterproofing solution is desired as a result of wide spread cracking.
Slab Jacking
Slab jacking is the process of injecting high density foam into the sub-base at a sufficient pressure as to allow the reacting foam to expand and realign the floor surface.
This method is effective in the re-alignment and stabilisation of concrete slabs which have sunk as a result of sub-base movement, soil erosion or settlement.
The methodology of slab jacking is highly effective and non disruptive and suited to a vast range of applications.
Conclusion
The above list of techniques is not exhaustive and it is more than likely that a strategy will involve a combination of methods. However, when selecting repair techniques, aspects must be considered other than just the technical.
Call us today to discuss how our surface preparation techniques could help you.
Abrasive Blasting & Painting
Tasmania’s leading blasting and painting company
A Tasmanian Family Owned Business Serving Our Community for Over 50 Years. A sister organization to Poly Tech Tasmania
Peterson’s Industrial Painting Service, was founded in 1968 by the Peterson family.
Mick Reardon bought it in 2006 and changed into a thriving, modern industrial services supplier.
Services
- Blasting
- Protective/Industrial Coating
- Graffiti Removal
- Fire protection
- On Site Services
We use blasting to remove rust, paint, scale, and graffiti from brick, concrete, steel, and cement.
We strive to prepare surfaces in such a way as to minimalise impact on the environment with temporary enclosures for outdoor sites such as buildings, bridges, tanks, boats or mobile plant.
Click here to find out more about AB&P.
Find out more about our services by choosing the options below.
Industrial & epoxy flooring
Superior floor and surface coatings to protect your assets and infrastructure from abrasive environments and the corrosive effects of acid, solvents, oils and chemicals.
Protective
Coatings
Expert advice on preparation and application of industrial protective coatings to preserve and secure your workplace assets.
Waterproofing systems & membranes
The latest technology in seamless and fast curing waterproofing systems. We can protect any surface, quickly and reliably.