APTC

What APTC does

APTC Australia Pty Ltd is a privately held, second-generation family-owned specialty distributor and retailer of construction chemicals, headquartered in Keysborough, Victoria, and serving the Australian construction trade since its founding in January 1993. The company operates three physical trade centres across metropolitan Melbourne (Keysborough, North Melbourne/Footscray, and Campbellfield), a trade-account e-commerce portal with login-gated pricing, and a thin reseller network that extends reach beyond Victoria (for example, BR Construction Supplies in South Australia). Its customer base comprises Builders, Contractors, Structural Engineers, and Distributors who source professional-grade construction sealants, waterproofing membranes and primers, adhesives, and applicator tools, together with consumables such as tapes, PPE, knives, and brushes.

The product portfolio blends proprietary APTC-branded lines with distributed third-party brands. Proprietary offerings include the ProSeal 1 neutral-cure silicone, ProSan 2 mould-resistant wet-area silicone, Proflex MS polymer sealant, and the Leakproof waterproofing system (SBR830 latex membrane, PU910 and PU720 BG polyurethane membranes, MB2K moisture barrier, ATC aliphatic topcoat, PU Primer Metal, and Primer 800 acrylic primer), most of which are certified to Australian standards (AS 4858:2004, AS 4654.1:2012, AS 3740, AS/NZS 4858:2004). Distributed third-party brands include Dow (DOWSIL 791 weatherproofing silicone), Casali (Acrytop, Olympia, Eradix, Dermabit), Bostik sealants, plus applicator tool brands such as NEWBORN, CALLONI, OLFA, and WOODS. Equipment hire is offered alongside product sales as a service-attach line.

Revenue is generated through one-time product sales across trade centres and online, usage-based equipment hire, and wholesale/reseller flows. The company has not raised external capital, has no disclosed parent, and has 11-50 employees. The 2024 brand refresh, ongoing branch reinvestment, and gradual extension of the proprietary Leakproof waterproofing range indicate a strategy of steady, capital-light organic growth anchored in consultative trade sales and Australian-standards-compliant proprietary chemistry rather than scale-driven or technology-driven expansion.

Name

APTC

Legal name

APTC AUSTRALIA PTY LTD

Website

https://aptcaust.com.au

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

11–50 employees

Short description

APTC Australia is a family-owned specialty distributor of construction sealants, waterproofing membranes, adhesives, and applicator tools, serving Builders, Contractors, Structural Engineers, and Distributors across Australia via three Melbourne trade centres and a trade e-commerce portal.

Ownership category

akta.pro rank

Headquarters

HQ city

Keysborough

HQ country

Australia

HQ region

Oceania

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Product Sales - Construction Chemicals: APTC Australia generates revenue through the sale of construction sealants, waterproofing products, adhesives, and applicator tools. Products are sold through trade centres, online ordering for trade accounts, and resellers.
2. Equipment Hire: The company offers equipment hire services for construction tools and waterproofing equipment, providing additional revenue stream from trade customers.
3. Reseller/Distribution Sales: APTC supplies products to resellers such as BR Construction Supplies in South Australia, generating wholesale revenue through distribution partners.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels1 record

Core offering

APTC Australia distributes and supplies construction sealants, waterproofing products, adhesives, and applicator tools to trades allied to the Australian construction industry, combining its own APTC-branded product lines (sealants, waterproofing membranes, primers, applicator tools) with third-party brands such as Dow, Casali, Bostik, NEWBORN, CALLONI, OLFA, and RLA. The company operates physical trade centres in Keysborough, North Melbourne (Footscray), and Campbellfield, plus a B2B e-commerce portal for registered trade accounts, with nationwide delivery and an equipment hire service for construction tools and waterproofing equipment.

Product overview

APTC Australia is a 100% Australian-owned construction products distributor and e-commerce platform offering a comprehensive range of construction sealants, waterproofing products, adhesives, and applicator tools to trades allied to the construction industry. The product portfolio consists of APTC-branded products including sealants (ProSeal 1, ProSan 2, Proflex MS), waterproofing membranes and primers (Leakproof SBR830, PU Primer, PU910, MB2K, Primer 800, ATC), alongside third-party brands such as Dow (DOWSIL 791), Casali (Olympia, Dermabit, Eradix, Aderix, Acrytop, Acrybase, Idroprimer, Dermaprimer), and Bostik. The tools category includes caulking guns (NEWBORN, COX CHILTON, APTC sausage guns), scrapers and spatulas (APTC silicone scrapers, caulking blades), waterproofing torches and tools (CALLONI Profy 2, lap torches, seam rollers), glazing tools (WOODS glass lifters, BOHLE putty knives, LOWE cutters), brushes and rollers (ROKSET TEC, UNI PRO), knives and blades (OLFA, DIPLOMAT, PERSONNA), PPE (gloves, knee pads), caulk nozzles, and cleaning supplies. The company operates trade centres in Keysborough, North Melbourne, and Campbellfield, Victoria.

Differentiator

Problem solved

Functional benefit

Brands

• APTC ProSan 2: Premium contractors grade neutral cure mould resistant silicone sealant designed for wet areas such as bathrooms, kitchens and laundries.
• APTC Proflex MS
• APTC ProSeal 1
• APTC Leakproof

Products and services

• APTC ProSeal 1 Silicone Sealant High-quality, one-component neutral cure silicone sealant for glazing, sealing, and professional caulking applications. Cures to a durable, weather-resistant seal with ±25% joint movement capability. Aimed at trade professionals in the Australian construction industry.
• APTC ProSan 2 Mould Resistant Silicone Premium contractors grade neutral cure mould resistant silicone sealant specially formulated for wet areas such as bathrooms, kitchens, and laundries. Resists growth of mould and mildew in high humidity environments. For trade waterproofing and wet-area sealing.
• APTC Proflex MS Polymer Sealant Advanced MS Polymer based elastomeric sealant with low modulus, ±25% movement capability, and compatibility with water-based waterproofing membranes. Faster curing than polyurethane with no bubbling. For trade sealing applications.
• APTC Leakproof SBR830 Waterproofing Membrane Class III waterborne SBR latex membrane, fibre reinforced with excellent adhesion. Formulated for use under tile finishes in waterproofing applications. Complies with AS 4858:2004 and AS4654.1:2012; meets AS 3740 and AS 4654.2 requirements.
• APTC Leakproof PU910 Polyurethane Membrane High performance, low VOC elastomeric polyurethane waterproofing membrane for external areas. Approved to AS/NZS 4858:2004 and AS4654.1:2012; complies with Green Star requirements.
• APTC Leakproof PU720 BG Below-Ground Waterproofing Membrane High performance, low VOC elastomeric polyurethane membrane for below-ground waterproofing. Single-pack, seamless, permanently flexible with high puncture resistance and anti-root properties. Approved to AS/NZS 4858:2004 and AS4654.1:2012.
• APTC Leakproof MB2K Moisture Barrier Two part, water-based epoxy primer and barrier system to prevent moisture, vapour, and rising damp. Resists up to 250Kpa hydrostatic pressure; complies with AS 4020 for potable water storage.
• APTC Leakproof PU Primer Metal 4lt High performance one component primer specially formulated to enhance the bond between liquid urethanes and metal substrates. For construction waterproofing applications.
• APTC Leakproof ATC 15lt Topcoat High-performance single-component aliphatic topcoat for polyurethane waterproofing membranes formulated to provide UV resistance and increased trafficability.
• APTC Leakproof Primer 800 20lt Fast-drying water-based acrylic primer specially formulated to enhance the adhesion of waterproofing membranes to porous substrates in internal applications.
• DOWSIL 791 Weatherproofing Sealant Premium performance neutral cure silicone sealant designed for general glazing and weather sealing in curtain wall and building facades. Distributed by APTC for trade customers.
• CASALI Acrytop Liquid Membrane Grey Synthetic resin based top coating designed to strengthen and protect waterproofing systems. UV stable with excellent anti-abrasion and non-slip properties. CodeMark certified (CM70203).
• CASALI Olympia 4mm Mineral Bituminous Membrane Torch on bituminous membrane ideal for multilayer waterproofing applications on residential, industrial, and prefabricated roofing.
• CASALI Eradix 40160 4mm PBS Root-Stop Membrane Root-stop torch on membrane for waterproofing garden roofs or decks where vegetation is in contact with the structure.
• RLA Universal Primer 20lt Rapid drying solvent free, low VOC, water based acrylic primer designed for use over porous and non-porous substrates.
• NEWBORN 150 12:1 Ratio Smooth Rod Cartridge Gun 12:1 ratio cartridge gun with smooth rod and revolving frame featuring zinc alloy handle and trigger. For trade sealant application.
• NEWBORN 620AL 18:1 Ratio Sausage/Cartridge Gun Neon 18:1 ratio sausage/cartridge gun with smooth rod and lightweight aluminium barrel, revolving barrel, and chemical resistant hytrel cup.
• APTC 37cm Sausage Gun Kit Sausage gun kit with accessories including wear compensation device system, ergonomic handle, rotating barrel, and lightweight design.
• APTC Silicone Scraper 1 Purple Lightweight and flexible silicone scraper for quick and easy tooling of fresh sealant. Will not stick to silicone and other fresh sealants.
• CALLONI Profy 2 Torch Kit with Interchangeable Stem Specially designed torch kit for application of modified bitumen membranes with piezoelectric ignition, swivel connection, and stand.
• CALLONI Rigid Round Trowel 12cm Trowel for detailing and finishing bitumen at laps and seams after the membrane has been heated and bonded with a torch.
• OLFA L1 Heavy Duty Snap Blade Knife 18mm Heavy duty snap blade knife with durable ABS handle, tough silver snap blade with stainless steel support channel, and tool free blade change.
• Blue Palm Latex Grippa Glove Large 100% polyester cotton liner with blue latex crinkle finish coating providing superior wet and dry grip. Touch screen compatible.
• Equipment Hire for Construction and Waterproofing Tools Usage-based hire of construction tools and waterproofing equipment for trade customers. Provides a secondary revenue stream alongside product sales.

Named customers4 records

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

One partnership is on record.

• BR Construction SuppliesminorChannel Partner/ Reseller/ DistributorBR Construction Supplies is a reseller of APTC products in South Australia, located at 82 Hardys Road, Torrensville SA 5031. Phone: 08 8358 5200.

Scale indicators4 records

Recent moves13 records

Expansion highlights5 records

Broad incumbents

• Bostik Australia: Bostik (part of Arkema) is a global adhesives and sealants manufacturer with Australian operations whose silicone and MS Polymer sealant lines directly compete with APTC's ProSeal, ProSan, and Proflex MS proprietary products.
• Fosroc Australia: Fosroc is a global construction chemicals manufacturer with an Australian subsidiary, offering sealants, waterproofing membranes, and concrete repair products that overlap with APTC's range and target the same trade customer base.
• Sika Australia: Sika is a major Swiss construction chemicals manufacturer with full Australian presence, offering sealants, waterproofing membranes, and adhesives that directly overlap with APTC's product range. Operates on a much larger manufacturing-led model but competes for the same trade customers.
• Sherwin-Williams (Wattyl): Sherwin-Williams operates the Wattyl brand in Australia and offers construction sealants, waterproofing coatings, and surface preparation products that overlap with APTC's categories, typically through trade and contractor channels similar to APTC's.
• ARDEX Australia: ARDEX is a German construction chemicals company specialising in waterproofing, tiling systems, and floor levellers that operates in directly adjacent product categories to APTC's waterproofing range, serving many of the same trade professionals.
• Mapei Australia: Mapei is a major Italian construction chemicals company with strong Australian presence, offering waterproofing systems, adhesives, and sealants that overlap with APTC's Leakproof and ProSeal product lines across trade and commercial segments.
• Ramset (ITW Construction): Ramset, part of ITW, is a leading Australian construction products manufacturer offering chemical anchors, fasteners, and sealants that overlap with categories APTC serves, and shares the same trade-distribution model for builder and contractor customers.
• Henkel Australia: Henkel operates globally in adhesives and sealants under brands like Loctite and Pattex with Australian construction adhesives that overlap with APTC's sealant and adhesive portfolio, particularly for trade and consumer waterproofing applications.
• BASF Master Builders Solutions: The Master Builders Solutions division of BASF provides waterproofing membranes, concrete repair, and sealing systems in Australia, competing with APTC's Leakproof range for larger commercial and infrastructure waterproofing projects.

Emerging players

• RLA Polymers: RLA Polymers is an Australian-owned construction chemicals manufacturer based near Melbourne whose waterproofing, primers, and adhesive products (including RLA Universal Primer currently distributed by APTC) compete with APTC's proprietary Leakproof and ProSpec lines in similar trade channels.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/aptcaustralia
• Facebookfacebook.com/APTCAustralia
• LinkedInlinkedin.com/company/aptc-australia

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about APTC