Plumbing diploma
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Go from apprentice to job-ready plumber

Master the Pipes is a diploma-level program that takes you through every system you'll touch on the job — water supply, sanitary drainage, and drain laying — with the blueprint skills, code knowledge, and fault-diagnosis confidence to work unsupervised from day one.

29 lessonsAI-adaptiveCancel anytimeLearn anywhere
Plumbing diploma

I built this program so you'd walk onto any job site knowing exactly what you're doing and why — because confidence in the trade isn't luck, it's preparation.

Renstay

What you'll learn

What you'll be able to do

  • Read and interpret plumbing blueprints, isometric drawings, and drain-laying site plans with confidence
  • Size, select, and install copper, PEX, CPVC, and PVC pipe systems to code for both water supply and drainage
  • Design and install compliant sanitary drainage and venting systems using correct fall gradients and trap specifications
  • Apply drain laying techniques including trench preparation, bedding, pipe jointing, and backfilling to civil engineering standards
  • Diagnose and repair common faults — blockages, leaks, pressure loss, and back-flow — using professional testing and inspection methods
  • Understand health-and-safety regulations, trade licensing requirements, and how to price and document a plumbing job professionally

How it works

A school that adapts to you

This isn't a set of static videos. Every lesson is generated live and tuned to where you actually are.

We learn your level

A quick placement check tailors your starting point so you're never bored or lost.

Lessons adapt as you go

Each lesson is written for your pace and your goal, adjusting as your skills grow.

Your AI coach keeps you moving

Checkpoints, feedback, and gentle nudges turn progress into a real result.

The curriculum

What's inside your school

6 modules · 29 lessons

1

Trade Foundations & Safety

Establishes the essential knowledge base every plumber needs before touching a tool — trade maths, materials, regulations, and site safety.

  • 1.1The Plumbing Trade: Scope, Licensing & Career PathwaysIncluded
  • 1.2Health, Safety & Site ComplianceIncluded
  • 1.3Trade Maths & MeasurementIncluded
  • 1.4Plumbing Materials: Pipes, Fittings & FixturesIncluded
  • 1.5Tools of the Trade: Selection, Use & MaintenanceIncluded
2

Blueprint Reading & Technical Drawing

Develops the ability to read, interpret, and extract accurate information from plumbing blueprints, isometric drawings, and drain-laying site plans.

  • 2.1Reading Plumbing Blueprints & Floor PlansIncluded
  • 2.2Isometric Pipe DrawingIncluded
  • 2.3Drain-Laying Site Plans & Civil DrawingsIncluded
  • 2.4Specifications, Codes & Compliance DocumentsIncluded
3

Water Supply Systems

Covers the design, sizing, and installation of compliant cold and hot water supply systems for residential and commercial buildings.

  • 3.1Water Supply Fundamentals: Pressure, Flow & HydraulicsIncluded
  • 3.2Pipe Sizing & System DesignIncluded
  • 3.3Cold Water Installation: Copper & PEX SystemsIncluded
  • 3.4Hot Water Systems: Storage, Continuous Flow & SolarIncluded
  • 3.5Backflow Prevention & Cross-Connection ControlIncluded
4

Sanitary Drainage & Venting Systems

Teaches the design and installation of compliant above-ground sanitary drainage and venting systems for residential and commercial applications.

  • 4.1Drainage System Principles: Fall, Flow & Trap RequirementsIncluded
  • 4.2Sanitary Plumbing Layout & Fixture ConnectionIncluded
  • 4.3Venting Systems: Types, Sizing & InstallationIncluded
  • 4.4PVC Drainage Pipe: Jointing, Support & Code ComplianceIncluded
  • 4.5Grease Traps, Interceptors & Commercial DrainageIncluded
5

Drain Laying Technology

Applies civil engineering principles to the excavation, bedding, jointing, and backfilling of below-ground drainage infrastructure.

  • 5.1Site Preparation, Excavation & Trench SafetyIncluded
  • 5.2Pipe Bedding, Haunching & Surround MaterialsIncluded
  • 5.3Below-Ground Pipe Jointing & Gradient ControlIncluded
  • 5.4Manholes, Inspection Chambers & Access StructuresIncluded
  • 5.5Backfilling, Compaction & ReinstatementIncluded
6

Fault Diagnosis, Testing & Professional Practice

Builds the diagnostic, testing, and business skills that turn a competent installer into a confident, job-ready trade professional.

  • 6.1Testing & Commissioning: Water, Drainage & Drain-Laying SystemsIncluded
  • 6.2Diagnosing & Repairing Leaks and Pressure LossIncluded
  • 6.3Clearing Blockages & Maintaining Drainage SystemsIncluded
  • 6.4Pricing, Quoting & Job DocumentationIncluded
  • 6.5Preparing for Certification & Trade LicensingIncluded

Who it's for

Is this you?

Trade apprentices

Fill the theory gaps your employer never had time to cover and lock in the code knowledge that makes your on-site hours count.

Career-changers

Start from scratch with a structured, diploma-level pathway that takes you from zero trade knowledge to job-ready professional.

Construction workers upskilling

Add a nationally recognised plumbing qualification to your existing site experience and open up a whole new earning tier.

Drain laying specialists

Go deep on civil excavation, trench safety, below-ground jointing, gradient control, and reinstatement to civil engineering standards.

Licensing exam candidates

Use the fault diagnosis, codes, compliance, and professional practice content to prepare thoroughly for certification and trade licensing.

Self-employed tradespeople

Round out your technical knowledge with commercial drainage, backflow prevention, and the quoting and documentation skills to run jobs properly.

Questions

Frequently asked

Your teacher

A note from your teacher

Renstay

Renstay

If you're reading this, you're probably somewhere I recognise — working on site with a head full of questions nobody has time to answer properly, or standing at a career crossroads trying to figure out how the trade actually fits together as a whole. Maybe you're an apprentice who's great with your hands but shaky on the theory. Maybe you're changing careers and want to do this properly, not half-baked. Either way, I know that feeling of knowing you're capable of more — but not quite having the map to get there.

That's exactly why I built Master the Pipes the way I did. Not as a textbook dump, and not as a shortcut. As the program I wish I'd had early in my trade career — one that explains the why behind every standard and spec, teaches you to read a blueprint like a professional, and walks you through water supply, drainage, venting, and drain laying as a connected system rather than a pile of isolated tricks.

Every section of this program is written the way I'd explain it on site: plain language, logical sequence, code-grounded, and honest about where the tricky parts are. We start with foundations — safety, trade maths, materials, licensing — because the plumbers who cut corners on foundations are the ones getting called back to fix expensive problems. Then we build up through water supply systems, sanitary drainage and venting, full drain laying civil process, and finish with testing, fault diagnosis, quoting, and getting yourself certified. By the end, you can walk onto a job and handle whatever the site throws at you.

I won't pretend this program replaces hands-on site hours — nothing does. But what it gives you is the theory backbone that makes every hour on the tools count twice as much. You stop fumbling. You start understanding. And when a supervisor or inspector asks you why you did something a certain way, you'll have a real answer.

If you're ready to take the trade seriously and build a qualification worth having, you're in the right place. Let's get to work.

Renstay

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  • 6 modules, 29 lessons
  • AI-adaptive lessons tuned to your level
  • Quizzes & checkpoints to lock in progress
  • Your own AI learning coach
  • Learn on any device, at your pace
  • Full access for as long as you're subscribed