Last updated: August 2026
There is a conversation I have with sales managers in building products more often than any other. Sales are flat, the pipeline looks thin, and the plan is to fix it by hiring a better rep. Sometimes that is the answer. Often it is not. The thing holding the category back sits a long way upstream of the sales team, in the trade that turns what your rep sold into something fixed to the building.
Whatever building product I recruit for, the story is often the same. Builders cannot get the contractors they need, and it slows the entire pipeline. The product sells. The install stalls. That is my read from talking to hiring managers most weeks, not a measured national figure, and the rest of this piece is about how to tell the two apart before you rewrite the brief.
The short answer. Flat sales are not always a rep problem. In product systems that need scarce, qualified work on site, installer capacity can delay or reduce conversion long after the order is won. The national data shows a broad construction workforce shortage. The size of an applicator-specific shortage in Australia is not measured in the sources here, so treat it as an observed constraint to diagnose, not a number to quote.
A quick note on terms, because they get used loosely. An applicator is the trade who applies a product to the building, such as a waterproofing membrane or a coating. An installer fixes a manufactured product in place, such as cladding or a light fitting. A contractor is the business that engages those trades and carries the site programme. A commissioning technician tests and sets a system to work once it is installed, such as a lighting control system. The boundaries move by product and by state, so I use the specific term where it matters.
The pattern I keep hearing
Across the categories I recruit in, the same shape turns up. The demand-creation work is done well. The spec is won or the order is placed. Then the sale sits, because there is no qualified pair of hands free to install what was sold. The delay starts downstream, outside the sales team's control, and it lands on the sales report as if the rep had gone quiet.
In my experience it shows up most in waterproofing and coatings, and it moves with the project cycle in each state. When a large program lands it pulls trades out of general building and into it. Melbourne's infrastructure investment has drawn a lot of people out of building product installation and into the infrastructure space, and the same has happened around Brisbane. It happens everywhere, just with different projects. And in some regions mining sits over the top of all of it, paying rates no building products supplier can match. This is a directional read from client and candidate calls, not a counted figure.
One example, with the details changed. I worked closely with a supplier that wanted to build a servicing arm for its applicator equipment, rather than rely on the sole traders who owned the same machines. The constraint was never the salesperson. Almost nobody had the technical ability to work on that machinery, so the capacity to deliver the service was not there to hire in the first place. The limiting factor was skilled hands, not sales effort, and no better rep would have changed that.
A capacity constraint is real, and it is also a convenient excuse for weak sales execution. So before anyone blames the trade, it is worth running the result through a proper check.
Is it a sales problem or a capacity problem?
Flat sales have more than one cause, and they do not all point at the rep. This table splits the usual suspects so you can find the real one before you go to market. Work down it in order. The first row that matches your symptoms is where to look.
| Possible cause | What you actually see | Who owns it | What to check | Can a sales hire fix it? |
|---|---|---|---|---|
| Demand | Enquiry and specification activity is low, not just conversion | Sales and marketing | Lead volume, specification pipeline, share of voice with specifiers | Yes, if the role is genuinely a demand-generation gap |
| Sales execution | Leads and specs exist but do not convert, and it tracks to the rep | Sales | Conversion rate, activity, quality of follow-up, competitor loss reasons | Yes, this is the case where a better hire is the right call |
| Stock and delivery | Orders are won but product is not arriving when the job needs it | Operations and supply chain | Lead times, backorder rates, freight and warehousing | No, a rep cannot make stock appear |
| Installer or commissioning capacity | Product is bought and sitting, but the trade to install or commission it is booked out or not qualified | Operations, channel and the customer's own programme | Installer availability, qualification, project sequencing, commissioning backlog | Only partly, and only where the role includes channel development |
| Quality and rework | Sales are made but come back as defects, complaints or callbacks | Technical service and quality | Defect and warranty data, rework rates, cause analysis | No, this is a product, training or process problem |
If your problem sits in the middle three rows, hiring a new BDM is treating a symptom. The point of the table is not to let the sales team off the hook. It is to make sure you are fixing the thing that is actually broken.
What the waterproofing evidence does and does not show
Waterproofing is the clearest place to see how installation quality drives a commercial result, and it has the strongest supplied evidence, so start there. Two points are worth stating carefully, because they are easy to blur.
First, water leaks are a large share of building defects. Engineers Australia, the industry body, has stated that water leaks account for 80 to 90% of defects in Australian apartments and commercial buildings. That is a statement about water leaks across those building types, not a waterproofing-defect rate and not an installer-fault rate.
Second, serious defects are common in the buildings that get surveyed. The 2025 Building Commission NSW research on serious defects in NSW strata communities found that, among the Class 2 residential apartment buildings surveyed in the registration period, 53% had at least one serious defect, waterproofing defects were reported in 22%, and fire-safety-system defects in 16%. That is a prevalence finding for a defined building class, not a measure of who caused the defects.
The distinction matters. A waterproofing defect can come from design, detailing, substrate, product selection, preparation, application, inspection, sequencing or maintenance, or a combination. The surveys tell you how often defects occur, not that the applicator caused them. So while poor application is one real driver, I cannot honestly turn a category defect rate into an installer-fault rate, and neither should a brief. What is fair to say is that a good product installed badly still fails, and the pool of people who install these systems well cannot be taken for granted. The hiring capability that follows sits on the waterproofing page: hiring waterproofing sales reps in Australia.
Where in the sale the constraint actually bites
People say the revenue waits, as if specification, order and revenue were one event. They are not. A product moves through several stages, and installer capacity affects each one differently. Treating them as the same thing is how a delivery constraint gets mistaken for a sales problem.
| Stage | What happens here | How installer capacity affects it |
|---|---|---|
| Specification | The product is written into the design or documentation | Little direct effect, but a specifier who doubts it can be installed well may switch to an easier system. Holding a spec against substitution is its own discipline, covered in specification leakage in building products |
| Tender and order | The product is priced into a bid and an order is placed | Scarce qualified trades push installed prices up, which can cost you the tender or shrink the margin |
| Delivery | Product is manufactured and shipped to site | Usually a supply-chain question, not an installer one, but the two get blamed together |
| Installation | The trade fixes or applies the product on site | This is where capacity bites hardest. A booked-out or under-qualified trade delays the programme and puts quality at risk |
| Commissioning | A system is tested and set to work | Systems that need commissioning can stall here even when installation is done, if the qualified technician is not available |
| Repeat purchase | The customer comes back, or does not | A poor install or a late programme costs you the next project, which rarely shows on this quarter's numbers |
Depending on the contract, a stalled install can affect order conversion, shipment, invoicing, revenue recognition, repeat orders or customer satisfaction. It is not one clean line on a report, which is exactly why it hides.
The same shape in other categories
The pattern is not unique to waterproofing, but the strength of the evidence varies a lot by category, so I will be honest about where I am reasoning from data and where I am reasoning from calls. This table only carries examples I can support at some level.
| Category | Trade or technician | Competency signal | Capacity symptom | Salesperson's useful response | Management response |
|---|---|---|---|---|---|
| Waterproofing and construction chemicals | Applicator crews | Product and system training, site track record | Programmes slip waiting on qualified applicators | Map installer availability and quality before promising a date | Own training, technical service and defect position |
| Building envelope and facades | Facade and cladding installers | Jurisdiction and system-specific certification, which varies by state and by the type and value of work | Compliance scrutiny narrows who can legally and safely do the work, and a bad install is a fire and compliance question, not just a leak | Understand the certification route and who holds it | Own product compliance, certification and installer standards |
| Civil and infrastructure | Site trades and labour on major projects | Trade qualifications, project experience | A tight overall labour market flows into contractor availability | Read whether a contractor has the crew to deliver before forecasting | Own channel investment and realistic programme commitments |
| Lighting controls | Commissioning technicians for control systems | Manufacturer or protocol training | Systems that need commissioning can stall at the final step | Flag the commissioning step early and hand over cleanly to technical support | Own technical service and commissioning capacity |
Two honesty notes on that table. For facades, I have kept the compliance point general on purpose, because certification and licensing rules differ by state and by system, and I will not state a single national rule that does not exist. If you are hiring into that market, the sector context and rep profile sit in hiring building envelope sales reps in Australia. For lighting controls, DALI-2 is a common protocol for addressable lighting control that needs setting up after install. Whether qualified commissioning capacity is genuinely short in Australia is something I hear anecdotally and cannot measure from the sources here, so I am flagging the dependency, not claiming a shortage rate.
On civil and infrastructure, the widely cited number needs its scope stated. As at October 2025, Infrastructure Australia's 2025 Infrastructure Market Capacity Report put the national infrastructure workforce shortage at about 141,000 people. That measures the infrastructure market, not building-products applicators. The same report forecasts two occupational groups, engineers, architects and scientists, and trades workers and labourers, each peaking at a shortage of roughly 126,000 at different times. It is evidence of a tight labour market that reps and contractors share, not a count of the trades who install your product. How a strong civil rep reads that market is in the civil BDM with an engineering brain.
What a salesperson can actually influence
A capable rep does not solve a workforce shortage. What they can do is see the constraint early and manage around it, which is a real and hireable skill. In practice that means:
- Reading installer availability and quality in their area, so a promised date reflects who is free to do the work.
- Building genuine relationships with the good installers, not just knowing names.
- Doing basic qualification checks before recommending a trade to a customer.
- Forecasting against project sequencing, so the order lands when the site is ready for it.
- Handing over cleanly to technical service and commissioning at the right moment.
- Escalating a capacity risk internally before it becomes a missed programme.
That is the ceiling on what the role can carry. Notice what is not on the list.
What management must own
The rest is not a sales problem, and pretending it is guarantees the wrong hire. Management, operations and technical functions own:
- Product design and whether a system can be made less dependent on scarce trades.
- Stock and delivery reliability.
- Technical service and commissioning capacity.
- Training and its governance.
- Warranty position and the risk that sits behind it.
- Quality assurance and defect analysis.
- Channel investment, including any decision to build an installer base.
If a business hands the whole list to a new BDM and calls it a sales problem, the hire fails and the constraint stays exactly where it was.
The supplier move most competitors will not make
There is a strategic opportunity here, and it is worth stating as a possibility with conditions rather than a certainty. Where installer capacity constrains a category, a supplier can respond in two ways.
The first is to design around it. Some manufacturers position products to reduce scarce onsite work. Xypex, for example, markets a crystalline concrete admixture on the basis that it can reduce onsite membrane application and specialty labour, because the waterproofing is mixed into the concrete at batching. That page is company marketing, and the labour data it cites is from a US survey, not the Australian market, so read it as positioning rather than proof of an Australian shortage. The direction of the marketing does tell you where suppliers feel pressure. Not every category can design the trade out, but some can.
The second move is bigger and largely unclaimed: build and support the installer base yourself. In my experience most manufacturers hold back, because training people who then work across brands feels like funding the competition, and standing behind an applicator's work means owning the risk when it goes wrong. That reluctance is what keeps the gap open.
If a supplier does take it on, it creates real obligations. A credible installer network needs, at least:
- Clear entry requirements for who can join.
- Product and substrate training, not just a branded certificate.
- A practical, assessed competency check.
- A documented scope for what an accredited installer may and may not do.
- A refresh cycle so accreditation does not go stale.
- An audit process on live work.
- A complaints and defects procedure.
- Explicit insurance and warranty boundaries.
- An availability directory so customers can actually find a free, qualified installer.
- Sensible handling of installer data and privacy.
That list is also the risk. Accrediting installers and standing behind their work brings audit, warranty, insurance, governance and brand-risk obligations, and it should not be started casually or without qualified legal, warranty and insurance advice. Done well, it can turn installer capacity from a liability into channel control, because the supplier becomes the one who can promise a builder both a product and a qualified person to install it. Done casually, it is a way to buy someone else's liability.
In my experience the suppliers that do this well cluster in a few categories. Waterproofing has a number of companies that train and accredit their applicators, and I see the same in cladding and facades, and among insulation suppliers that offer contract training. There are others, those are just the ones I see most. The common thread is that they treat the installer base as part of the channel rather than an afterthought.
What this means for the hiring brief
This connects back to the hire. If your diagnostic lands on demand or sales execution, a new salesperson may well be the right answer, and briefing the role properly is the job. A sales hire is also the right call when demand generation or installer-channel development genuinely belongs in the role, rather than being a downstream problem in disguise.
Where installer capacity is part of the picture, the capability you are hiring for is broader than knowing installers by name. The rep worth hiring understands the installation route, the qualification requirements that apply, the current capacity in their area, how a project is sequenced, and when to escalate a capacity risk rather than absorb it. That is a different brief from a pure specification-chasing role, and those role types are set out in the technical sales role taxonomy. Getting the brief wrong is expensive in its own right, which is the subject of the true cost of a bad sales hire.
In my experience installer-network development sits with the BDM. They are the ones already dealing with the installers and carrying the contract relationship, so it belongs in that brief rather than in a pure specification or technical-management role. If you want it done, write it into the BDM's remit and resource it, do not assume a Spec Manager will pick it up.
A note on the evidence here
I have kept four kinds of information apart on this page, because blurring them is how this topic goes wrong. National workforce data, such as the Infrastructure Australia figures, measures the infrastructure market, not the trades who install a specific building product. Sector evidence, such as the NSW defects research, measures how often defects occur in a defined building class, not who caused them. Manufacturer material, such as the Xypex page, is marketing that shows where suppliers feel pressure, not independent Australian proof. And my own observations come from recruiting across these categories, which is a specialist's directional read, not a survey. The applicator-specific shortage is something I observe on calls. On the sources used here it is not a quantified national figure, and I have kept it that way on purpose.
If you are looking at flat sales and about to advertise for a new rep, it is worth sense-checking the cause first. If the problem sits in role scope or in developing the installer channel, brief the role against the real route to market rather than a generic BDM ad. If you would like a straight read on which it is, get in touch. I run sales recruitment for the Australian building products industry, and I am happy to help with no obligation. If it turns out the issue is a genuine role or capability problem, the cost of a bad hire calculator will put a number on what the mismatch is worth.
James