Quick answer
A waterproofing invoice in Australia should include your business details (including ABN), an invoice number, dates, a clear description of the work (surface prep, membrane type, area in m²), any compliance certificate, GST (if registered), and payment terms.
Use the copy/paste template below, or send it faster with Free Invoice App (Starter plan includes 7 sends/month, no credit card).
The solution (manual first, then faster)
Option A: Use a manual template (good in a pinch)
Manual templates work on-site when you just need something you can copy into an email or PDF.
Option B: Use Free Invoice App (faster, more consistent)
- Save the builder/client and site once, reuse forever
- Generate a clean PDF instantly
- Email invoices and track status (draft / sent / paid)
- Upgrade only when you need it: Starter (7 sends/month), Pro (250 sends/month), Pro+ (unlimited + custom domain + team)
Free waterproofing tax invoice template (copy/paste)
Copy this into a document. If you’re GST-registered, label it “Tax Invoice” and include GST amounts.
TAX INVOICE (if GST-registered) From: Business name: [Your Waterproofing Business Name] ABN: [Your ABN] Licence No.: [if applicable] Phone: [Phone] Email: [Email] Bill To: Client name: [Builder / Client Name] Site address: [Job Address] Email: [Client Email] Invoice details: Invoice number: [INV-0001] Invoice date: [DD/MM/YYYY] Due date: [DD/MM/YYYY] Work completed: - [Surface prep & primer — bathroom] $[amount] - [Membrane: 12 m² @ $X/m²] $[amount] - [Bond breaker, angle fillet, drains] $[amount] - [Balcony / external area] $[amount] Subtotal (ex GST): $[amount] GST (10%): $[amount] (only if GST-registered) Total: $[amount] Payment terms: - Payment due in [7/14] days - Bank transfer to: [Account name / BSB / Account] - Reference: Invoice number Notes: - Waterproofing certificate issued for the works. - Thanks for your business.
Per-m² pricing and compliance certificates
Waterproofing is usually priced per square metre by wet area. Show the area on the invoice so the figure is easy to check, and reference any waterproofing certificate you’ve issued — builders and tilers often need it on file before the next trade starts.
What needs to be on a waterproofer’s tax invoice in Australia?
- Words “Tax Invoice” (if GST-registered)
- Your business name, ABN and licence number (if applicable)
- The invoice date and a unique invoice number
- A description of the work and area completed
- The total amount payable
- GST amount (or that the total includes GST)
Note: This is general information and not tax advice.
Features waterproofers tend to use most
- Mobile PDFs: create and email the invoice from site.
- Scheduled sending (Pro): queue invoices for end of day.
- Add expenses: track membrane and materials so your margin is clear.
- Recurring (Pro): handy if you sub-contract regularly to the same builders.
Conclusion: send your waterproofing invoice today
Copy/paste the template above if you just need something quick. For PDFs, email sending, and tracking, Free Invoice App handles the full workflow.