Build Tech Supplies
John named by customers as a go-to for hard-to-find concreting and waterproofing products.
The clearest pattern in the small sample is that counter advice is the main value-add: several customers mention being helped to find products and get relevant information rather than just completing a transaction. John is named by at least one reviewer as a knowledgeable contact, which is useful to know before you visit. Two reviewers did flag unsatisfactory experiences — one with how they were treated and one specifically questioning staff knowledge of concrete products — so it's worth calling ahead to speak with someone before making a trip, especially if your job requires precise product guidance.
Their work
What it's like working with them
Based on a sample of Google reviews (8 total)
“Very helpful with advice and relevant information!”
“Not very knowledgeable about concrete products.”
What they help with
Based on what their customers hired them for
How they stack up
Context from 251 waterproofings in Hobart
Credentials & background
Sourced from 4 public records so you don't have to look them up yourself
About Build Tech Supplies
John is the standout name at this Derwent Park supplier — multiple customers call him out specifically for deep product knowledge, particularly across concreting and concrete-related waterproofing products. What sets Build Tech Supplies apart from a general hardware retailer is a willingness to track down and stock specialty items that aren't readily available elsewhere, making them useful when a standard trade counter has told you 'we don't carry that.' The business appears to operate as a supply-side resource rather than an on-site waterproofing contractor — think product sourcing and technical advice at the counter rather than crews turning up to your property. With roughly 26 years of trading, they've had time to build familiarity with niche product lines, and staff generally field questions about application and product selection rather than just pointing you to a shelf. That makes them most useful for trades, experienced DIYers, or renovators who already know what they're trying to achieve and need help finding the right material to do it.
Best for: sourcing specialty concreting and waterproofing products unavailable at mainstream hardware stores, tradespeople needing counter-level product advice, and DIY renovators tackling concrete-related waterproofing projects.
Location
Often needed together
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Claim This Profile — Free →Common questions about Build Tech Supplies
Does Build Tech Supplies do on-site waterproofing work, or is it a product supplier only?+
Based on the available information, Build Tech Supplies appears to operate as a trade supply counter rather than an on-site contracting service. Reviews focus on counter service, product advice, and sourcing — not on crews attending properties. If you need someone to physically apply waterproofing products, confirm with them directly whether they offer or can recommend installation services.
Who should I ask for when I visit?+
One reviewer specifically names John as knowledgeable and recommends him for concreting-related products. If John is available, reviews suggest he's a useful person to speak with for product selection and application questions. It's worth calling ahead to check who's on the counter, particularly for more technical enquiries.
Can they help source products that aren't stocked in regular hardware stores?+
At least two reviewers mention this as a genuine strength — staff helped them find specialty products not generally available at mainstream suppliers. This appears to be one of the more distinctive aspects of what they offer, making them worth contacting if a standard trade counter has turned you away. Call ahead with your product specification to check availability before travelling.
What types of projects are customers typically using Build Tech Supplies for?+
The reviews reference concreting-related products specifically, suggesting the business is well-suited to projects involving concrete, waterproofing membranes, sealers, or similar construction materials. Reviews don't detail specific residential versus commercial project types, so it's worth asking them directly whether they cater to your scale of job.
How reliable is the product knowledge at the counter?+
This is the area where the small review sample gives a mixed picture. Several customers mention helpful, knowledgeable advice — and John is named positively — but two reviewers had unsatisfactory experiences, including one who specifically felt staff lacked knowledge about concrete products. With only 8 reviews total, it's hard to know how representative either experience is. Calling ahead with your specific question is a reasonable way to gauge whether they can help before making the trip.





