Exterior Coatings

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GTEK™ manufactures a complete range of Joint Compounds including Base Coat, Top Coat and All Purpose Lightweight. Complementing our jointing range is our range of Cornice Cements for bonding cornice to plasterboard walls and ceilings and Stud Adhesive and Masonry Adhesive for bonding plasterboard to stud and masonry walls.

BGC Exterior & Wet Area Base Coat is a ready mixed joint compound designed to first and second coat over flush joints and fasteners of ceilings, and sheltered exterior applications such as outdoor living areas, eaves & soffits, over fibre cement and plasterboard linings. It may also be used as a first and second coat in interior wet area applications in bathrooms.

BGC Exterior & Wet Area Top Coat is a ready mixed joint compound designed to finish coat over flush joints of exterior fibre cement and plasterboard linings, and in non-tiled wet areas, which leaves a smooth finish when sanded. BGC Exterior & Wet Area Top Coat is designed to be used with BGC Exterior & Wet Area Base Coat.

DEFLECTA® HEALTH SEAL is a clear formulation for the protection of concrete surfaces prior to the installation of floor finishes.

Deflecta® HEALTH SEAL is applied to seal the surface of concrete to prevent ingress of body fluids in areas such as hospitals, aged and child care, health facilities and schools and sport facilities.

Product Benefits

  • Surface sealer
  • 100% bio-degradable
  • Water based and non-toxic formulation
  • Prevents urine ingress
  • Prevents body fluid penetration of sub-floor
  • Excellent pre-treatment for floor finishes
  • Zero VOC/VOS* content

Like the rest of the Quantum Timber Finish family, Timbre Plus Vertical is a versatile and outstanding performer in surface protection that withstands harsh environmental elements. It is a transparent finish and created to preserve or enhance the original colour and aspect of the subject.

Timbre Plus Vertical is designed to be safely used on most timbers and has also shown excellent results when applied on windows, doors, weatherboards, cladding garage doors, feature walls and outdoor furniture.

Power Clean is the ideal solution for removing old treatments, sealants and weathered oil-based finishes when preparing your deck.

The use of Quantum Dex Prep Solution after the instructed cleaning process is advised to neutralise the timber and rid the surface of any darkening or unwanted discolouration which may occur in the cleaning process. For the removal of tannins from the timber, Quantum Sap-Strip is recommended instead.

Power Clean is not a paint or varnish stripper and can be safely used on any timber surface.

Eco Dex is a decking finish that is fast-drying and durable, designed to intensely hydrate and naturally protect your timber deck from the harsh Australian environment.

A pre-coat application of Quantum SapStrip is recommended for optimum results. Eco Dex is available in three sizes (1 litre, 4 litre and 10 litre) and is suitable for most timbers.

Quantum Gold is a premium transparent finish for exterior timber application. It is oil-based and is designed for use on quality exterior timber such as Cedar, Cypress, Treated Pine, and Oregon.

Quantum Gold leaves a rich lustrous sheen to broad timber surfaces and has shown excellent results when applied to the exterior of houses and outdoor furniture.


Deflecta® Topel™ is an inorganic silicon-containing material; concrete treatment that increases both density and surface hardness, is hydrophobic – providing increased wear and slip resistance. This product is a densifier that penetrates and bonds with the Portland cement components of the concrete increasing abrasive resistance and damage from water. DEFLECTA® TOPELwill not alter the appearance of the concrete when applied. However, with time and wear, the slab will improve its appearance compared to an untreated slab:

  • Topel’s function creates a hydrophobic slip resistant surface.

DEFLECTA® TOPEL can be applied to both interior or exterior concrete slabs in areas such as car parks, stairs and landing, driveways, paving and ramps, but not limited to.

Product Benefits:

  • Hydrophobic
  • Increased slip resistant surface
  • Prevents surface dusting
  • Increases abrasion resistance and durability
  • Low Volatile Organic Compounds / Volatile Organic Solvents
  • Easy application
  • Biodegradable water based
  • Easy maintenance
  • High coverage rate

DEFLECTA® TOPEL Test Results:-

  1. Slip Resistance Classification P4 – Wet Result
  2. Water Contact Angle Classification – Super Hydrophobic > than 120o

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DEFLECTA® DEPEL is an aqueous resin silicante water repellent that seals and preserves natural stone, brick, slate, masonry and precast concrete for internal and external surfaces.

DEFLECTA® DEPEL is a hydrophobic water repellent that provides a hard wearing breathable barrier to the surface. It works to keep the surface clean while preserving the natural appearance of the treated material.

Buildings that have been discoloured by surface parasites, treated with DEFLECTA® DEPEL reform to the natural appearance.

This product can be used in hospitals, aged and child care, animal husbandry, schools, sports centres, equine facilities, cattery and dog kennels, basements, carparks, food processing and manufacturing.

DEFLECTA® DEPEL will retard efflorescence and its application resists cracking on both horizontal and vertical surfaces while enhancing surface traction.

Product Benefits

  • Waterproofs surface
  • Improves traction
  • No product leaching
  • Retards Efflorescence
  • Abrasion resistant
  • Prevents surface dusting
  • No visual change to surface
  • UV & weather resistant
  • Zero VOC/VOS* content
  • Water based and non-toxic
  • 100% bio-degradable
  • Easy application
  • Easy maintenance

DEFLECTA® BOTANY will suppress the growth of mould, mildew and fungi and reduce build-up of surface dirt and soiling over time on; grout, cemetitious material and concrete to most wet areas of high humidity and moisture ie; in particular shower, kitchens, laundries, bathrooms, food processing and warehouses. The product works at keeping the surface clean while preserving the natural appearance. Supports company/consumer hygiene requirements that reduces the vigorous cleaning protocols in both frequency and the cost of commercial grade cleaning products.

This product can be used in hospitals, aged and child care, animal husbandry, schools, sports centres, equine facilities, cattery and dog kennels, basements, carparks, food processing and manufacturing, cool rooms and freezers, warehouses, inside wall and ceilings, outside walls, bathrooms and toilet blocks – and assists in high infection control protocols.

Product Benefits

  • Suppresses mould, mildew and fungi growth
  • Prevents urine ingress
  • Sanitises and Seals the surface
  • Water repellent
  • Improves traction
  • Abrasion resistant
  • Prevents surface dusting
  • Zero VOC/VOS* content
  • Water based and non-toxic formulation
  • 100% biodegradable
  • Easy application
  • Easy maintenance

Kiesel’s versatile range of surface preparation products provide extremely fast setting characteristics with outstanding work-ability and a reliable performance even under the most demanding circumstances, all with very low VOC emissions.

Polyflor’s Kiesel Okatmos EG 20 Fast Setting Primer is part of a new range of primers, screeds and adhesives suitable for Polyflor’s variety of flooring solutions. Okatmos EG 20 dries quickly, is solvent free and features low emissions which makes it perfect for one-day installations in new and old indoor spaces. The primer is for absorbent and non-absorbent substrates and can be diluted with water on concrete substrates.

Kiesel Okapox GF is a solvent and water free, very low emission thin two-component epoxy primer for the preparation of absorbing and non-absorbing substrates before patching, sealing and floor installation. Suitable for a wide variety of materials, Okapox GF provides a high flexural strength, adhesive strength, compressive strength and abrasion resistance, resists water, lye, acids, salt water as well as grease and fuel. It can be use as moisture barrier on cement based substrates and can be used as binder for epoxy mortars.

Kiesel Okatmos DSG is a solvent-free, sanitising moisture barrier and primer with a high bond strength for well-prepared substrates. It is for use on absorbent and non-absorbent substrates before levelling, sealing, thin-bed tile installation or the installation of textile/flexible floor surfaces and parquet/engineered wood flooring. Okatmos DSG can be used as moisture controlled dispersion primer on cementitious substrates such as cement screeds or concrete barrier against excessive moisture.

Okatmos antimicrobial flooring systems adhesives combine unsurpassed adhesive strength with superlative workability, excellent coverage, and the best possible protection of the health of the installer and end user with ‘very low’ VOC emissions.

The Okatmos range of adhesives includes:

MACPrime from Melbourne Acrylic Coatings is an easy to use product that can be applied to ensure the longevity and premium performance of masonry surfaces and walls. The acrylic primer is extremely alkali and water resistant, and can enhance the adhesive performance and life of textures and paints applied to stone. 

Specially formulated for the safe and effective removal of rust from metal surfaces, Rust Remover Gel from Hammerite is ideal for vertical surfaces. Using a unique non-drip formula to remove rust in as little as two hours, the gel will not damage underlying paintwork or surface treatments.

Hammerite’s Rust Remover Gel is suitable for exterior or interior use, and is non toxic and safe to the skin.

For use on heavily pitted areas of rust to prevent the formation of new rust, Hammerite’s No.1 Rust Beater is a long-lasting corrosion resistant product that is quick and easy to apply.

Killing rust whilst acting as a primer and undercoat, the surface treatment can be applied directly to rusted areas or used as an anti-corrosive primer for ferrous materials. Compatible with most top coats and touch dry within 2 hours, the exterior surface treatment is available in black or dark brown, and can be sprayed or applied using a brush. 

Designed for direct application to non-rusting metals such as galvanised steel, aluminium, copper, and brass, Hammerite’s Direct to Galvanised Metal paint combines primer, paint, and top coat in one easy to apply product.

Surfaces treated with the paint require only one coat for long lasting high-gloss protection and are touch dry within 1 to 2 hours, depending on coat thickness. Direct to Galvanised Metal paint provides an even finish for non-ferrous materials in both exterior and interior use, and is available in six contemporary colours. 

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