C14 Ceramic Tile

Introduction

Ceramic tiles can make or break the look of a home. Get them right and you have a clean, durable, easy-to-clean surface for decades. Get them wrong and you'll be looking at cracks, lipping (uneven edges), loose tiles or water damage, sometimes before you've finished unpacking.

Most homeowners don't know what "right" looks like with tiling, so they trust the builder and tiler to "do it properly". Even good trades cut corners when time is short, and once tiles are down and grouted you can't see what's underneath. Mistakes stay hidden until they turn into expensive repairs.

That's where the C14 Ceramic Tile Design & Installation Inspection Checklist comes in. It walks you through what should happen from the moment tiling is planned, through preparation, to installation.

It's built on Australian Standard AS 3958.1, the benchmark for ceramic tiling. That standard has since been revised and replaced by AS 3958:2023 (Installation of ceramic and stone tiles), but the principles in this checklist are the same: the right materials, proper preparation, and the finer details like grout choice and movement joints.

Below I'll explain what each section checks, in plain English, and how you can use it to keep your builder and tiler accountable without needing any trade experience.

Why You Need a Tiling Checklist

If you've walked into a new home (not a display home) and spotted crooked grout lines, tiles that "lip" at the edges, or cracked corners, you've seen tiling that isn't done to standard. Beyond looking bad, poor tiling leads to leaks, lifting tiles and repairs costing thousands.

Tiling usually happens near the end of the build, when deadlines are tight and everyone is racing for handover. That's when shortcuts creep in, and the homeowner pays for them later.

C14 - Ceramic Tile Design and Installation Checklist

$59.00 AUD

Last updated 28 Oct 2026 · Revision 3 · Free updates for life

Checklist Type: Minor

Form Factor: Fillable, print-ready PDF (A4, 23 pages)

When to use: Before and during tiling (plans review, preparation and installation)

A 68-point tiling checklist. Check the set-out, surface, flatness, lippage, falls, movement joints and grout against AS 3958.1 to avoid costly rework.

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How It Helps You as a Homeowner

• It’s your quality control tool – You don’t need to be a tiler to know what to look for. The checklist breaks it down into manageable steps you can tick off or query with your builder.
• It saves time and money – Spotting a mistake before tiles are laid is much cheaper and easier than ripping them up later.
• It prevents disputes – If you’ve documented issues before handover, it’s harder for a builder to claim “it was fine when we finished.”
• It protects resale value – Tiling faults are very obvious to prospective buyers. Getting it right the first time helps maintain your home’s value.

Why Builder Quality Checks Aren’t Enough

Builders will tell you they have their own quality control, and they do. But those processes are designed to meet their obligations, not to protect your long-term interests. If a corner can be cut without breaching the bare minimum, some builders will cut it.

How the C14 Checklist Is Set Out

The checklist follows the tiling process in build order, so you know what should be happening and when. It has seven sections:

• Site management – the site is safe, protected and tidy.
• General site conditions – materials are stored properly and kept dry and clean.
• Materials – tiles, adhesives, grouts and substrates meet the relevant standards.
• Preparation of backgrounds – surfaces are flat, clean, dry and sound before tiling.
• Installation of ceramic tiles – layout, joint spacing, movement joints and weather conditions.
• Installation with adhesives – the right adhesive, applied the right way.
• General good practice – straight joints, neat cuts, no lippage, clean finish.

Site Management and General Site Conditions

These first two sections aren't strictly about tiling, but a messy, unsafe or poorly protected site is a fair sign that the tiling will get the same lack of care. Spoiled tiles and adhesives also cost money to replace. The checklist covers:

• Erosion and sediment control, signage and site toilets – in place and compliant (see our C3 Erosion & Sediment Control Checklist for the detail).
• Damage to surrounding areas – kerbs, driveways and neighbouring yards protected. Existing damage photographed and reported.
• Drainage – water directed away from the building so it doesn't pool under the slab.
• Material storage – tiles and adhesives stored on stable surfaces, under cover and dry, so they don't crack, stain or spoil.
• Clean work areas – areas to be tiled kept free of rubbish, dust and mud, with clear access for the tilers.

What You Can Do

• Walk the site before tiling starts — check for signs of water pooling, damage to materials, or poor storage.
• If you see pallets of tiles sitting uncovered in the rain, ask your site supervisor to confirm they’re still fit for use.
• Take dated photos if something looks wrong. It's easier to resolve disputes with proof.

Want to check how a builder runs their sites before you sign? See our C4 Choosing Your Builder checklist.

Materials

What's under and around the tiles matters as much as the tiles themselves. This section checks that every component, from the tile to the adhesive and grout, meets the relevant Australian Standard. The wrong combination can mean loose tiles, staining, cracking or moisture problems within months of moving in.

Tiles

• Compliance – floor and wall tiles should comply with AS 13006 (Ceramic tiles: definitions, classification, characteristics and marking), which replaced the older AS 4662. Compliant tiles are tested for strength, water absorption and other properties.
• Mosaic Tiles – Suitability and fixing methods should be confirmed with the supplier or manufacturer.

Adhesives

• Standards – adhesives should meet AS ISO 13007 (which replaced AS 4992 in 2024).
• Compatibility – Some adhesives can react badly with certain tile types; they should be tested before use.
• Water Resistance – If the adhesive needs to be water-resistant (e.g., for wet areas), this must be confirmed.

Grouts

• Performance – Grouts should have low shrinkage, good adhesion to the tile edges, and be easy to work with.
• Colour – The grout colour should match the project specifications — mismatched grout is noticeable and hard to fix.

Substrates (Background Materials)

This is the surface tiles are fixed to, and it can include:

• Plywood – Must be the correct thickness (minimum 10 mm) and meet Australian Standards for dry or wet areas.
• Fibre-cement sheet – minimum 6 mm for walls and as an underlay over an existing timber floor. Floors laid straight onto joists need compressed fibre-cement flooring, typically 15 to 19 mm thick.
• Structural Particleboard – Minimum 19 mm thick and compliant with AS/NZS 1859.
• Gypsum Plasterboard – Must be at least 10 mm thick, with edges and fixing done to the correct specifications.

Movement Joint Materials

• Purpose – These are small gaps that allow tiles to expand and contract without cracking.
• Materials – Joints can be filled with backing rods, sealants, or preformed strips, all suited to the expected movement and conditions.

Other Materials

• Cement, Sand, and Lime – Must meet their relevant Australian Standards and be clean, fresh, and free from contamination.
• Water – Should be fresh and clean — seawater is a definite no-go.
• Underlays and Separating Layers – Used to isolate tiles from the substrate when required, and must be installed to manufacturer’s instructions.

What You Can Do

• Ask your builder or tiler for the brand and product name of all adhesives, grouts, and substrates they plan to use.
• Confirm these products meet the relevant Australian Standards. The product data sheet or the manufacturer can tell you.
• If substitutions are made due to supply issues, request written confirmation they meet or exceed the same standard.

Preparation of Backgrounds for Tiling

No matter how expensive your tiles or how skilled your tiler, a bad surface underneath will eventually ruin the job. This section makes sure every surface that will be tiled is clean, flat, strong and ready to bond. Like painting, prep is everything, except tiles are far messier and dearer to redo.

General Requirements

• Surfaces must be dry, clean, and free from contaminants like dust, oil, wax, paint, or curing compounds.
• Loose or damaged materials must be removed.
• Falls (slopes) for wet areas must be correct before tiling starts — tiling won’t fix a bad fall.

Concrete Floors

• Must be flat within the tolerances set out in AS 3958.
• Need to cure and dry for the correct time (usually several weeks) before tiling.
• Contaminants (like form release agents) must be mechanically or chemically removed.
• Screeds (levelling layers) may be added for an even surface.

Timber Floors

• May need a separating layer or an underlay (such as fibre-cement sheeting) to prevent movement from cracking the tiles.
• Loose boards must be re-nailed or screwed down.
• Surfaces may need sanding flat before underlay installation.

Wall Substrates

• Plasterboard, plywood, fibre-cement, or other sheeting must be installed to their relevant Australian Standards.
• Sheets must be fixed with the correct spacing, edge clearances, and movement joints.
• Wet area linings must meet waterproofing requirements (AS 3740).

Existing Surfaces

• Old finishes (tiles, vinyl, paint) should be removed unless they’re sound and compatible.
• If they’re left in place, a separating layer may be required.

What You Can Do

• Ask your builder what preparation method will be used for each surface type.
• If you see tilers working over dirty, wet or obviously uneven surfaces, don't confront the tiler. Raise it with your site supervisor in writing straight away, with photos.
• Confirm that wet area preparation includes proper waterproofing and correct falls before tiling starts.

Installation of Ceramic Tiles

This is the stage most homeowners actually see. The checklist goes well beyond "stick them on and grout": tiles need to be installed so they look good, perform well and comply with AS 3958.

Setting Out (Tile Layout)

• Datum Levels – The starting point for tile heights is established so patterns run evenly and cuts are minimal.
• Whole Tiles Where Possible – The aim is to keep cuts to a minimum and place them in less noticeable areas.
• Fixtures & Features – Tile lines should align neatly around windows, baths, kitchen benches, and other focal points.

Movement Joints

• These are gaps that allow for expansion and contraction so tiles don’t crack.
• Should be positioned at walls, changes in floor type, and large open areas (spacing depends on whether it’s indoors or outdoors).
• Must be filled with flexible materials that can handle movement without splitting.

Joint Spacing & Grout Lines

• Grout lines should be consistent and straight, with widths set out in the plans or to manufacturer recommendations.
• Narrow or uneven grout lines are often a sign of rushed work.

Weather & Temperature

• Tiles should not be installed when the air is too cold (below 5°C) or when the surface is too hot (above 40°C).
• Excess humidity or heat can stop adhesives and grouts from curing properly.

Surface Flatness

• The finished surface should be flat and free from “lippage” — where one tile edge sits higher than its neighbour.
• Australian Standards have set limits for allowable lippage depending on tile type and joint width.

Site Protection

• Once laid, tiles should be protected from traffic until the adhesive and grout have cured.
• In high-traffic builds, temporary coverings may be needed to prevent damage before handover.

What You Can Do

• Visit during installation (with the supervisor’s permission) to check layout before too many tiles are fixed.
• Ask to see where movement joints will go — they should be planned, not an afterthought.
• If the grout lines look uneven or tiles don’t feel flat underfoot, speak up before grouting starts.

Installation with Adhesives

Adhesive isn't just "glue for tiles". It's a specialised product made to bond particular tiles to particular surfaces. The wrong choice, or poor application, can cause tiles to lift, crack or let water through.

Choosing the Right Adhesive

• Tile Type – Heavy stone-look tiles, porcelain, and mosaics can require different adhesive strengths and compositions.
• Substrate Type – Concrete, fibre-cement sheet, plywood, or existing tiles each have different bonding requirements.
• Wet vs Dry Areas – Wet areas like bathrooms or laundries may need water-resistant or flexible adhesives.

Compliance

• All adhesives should meet AS ISO 13007, which tests them for strength, flexibility and bond.

Application Method

• Adhesive should be applied evenly, using the correct notched trowel size for the tile being installed.
• Full Coverage – Particularly in wet areas, the adhesive must fully support the tile with no voids (gaps) underneath where water can collect.
• Back-buttering (coating the back of the tile with adhesive) may be required for large-format tiles to improve bond strength.

Environmental Conditions

• Installation shouldn’t happen in extreme heat, cold, or high humidity without following manufacturer recommendations.
• Adhesive should not be allowed to skin over (dry on the surface) before the tile is pressed into place — this prevents bonding.

What You Can Do

• Ask which adhesive will be used and why it’s suited to your tile and substrate type.
• If possible, check during installation that the adhesive is being spread evenly and the correct trowel notch is being used.
• For large tiles, confirm whether back-buttering is part of the installation plan.

General Good Practice

Once tiles are in, the difference between "good enough" and "done well" is in the finishing. These are the details you might not notice on day one, but will be annoyed by for years if they're wrong.

Straight and Consistent Joints

• Grout lines should be straight, even, and consistent across the room or wall.
• Uneven joints stand out and make the entire job look sloppy, even if the tiles themselves are perfect.

Neat Cuts

• Cut tiles should have smooth edges without chips or jagged lines.
• Cuts should be positioned where they’re least noticeable, such as under cabinetry or at the edges of a room, not in high-visibility areas.

No Lippage

• Lippage is when the edge of one tile sits higher than the tile next to it, creating a trip hazard and an uneven look.
• The Australian Standard allows only a small amount of lippage, depending on the tile type and joint width.

Clean Work

• Excess adhesive or grout should be cleaned off before it sets.
• Finished tiles should be free from cracks, scratches, or surface damage caused during installation.

Correct Accessory Installation

• Trim pieces, nosings, or feature strips should be fully bedded in adhesive and aligned properly.
• Accessories should be flush with surrounding tiles, not sticking out or sitting low.

What You Can Do

• Inspect tiles from different angles — lighting can reveal lippage or uneven joints.
• Look closely at cut tiles around fixtures; rough or uneven edges are not acceptable.
• Run your hand across tile joints — you should not feel a noticeable step between tiles.

How to Use the Checklist

The C14 checklist isn't paperwork you tick once at the end, and it isn't ammunition to attack anyone. Use it to track quality from planning to final clean-up, so you spot issues early and get the finish you paid for.

Start Early

• Review it before tiling starts – get familiar with the terms and ask your builder how they'll meet the standard and manage quality. It shows you care about quality from the start, not just the final look.
• Review materials in advance – Ask for product details for tiles, adhesives, and grouts early so you can confirm they meet the relevant Australian Standards.

Inspect at Key Stages

1. Before Preparation Starts – Check that the site is tidy, materials are stored correctly, and surfaces are ready for prep.
2. After Surface Preparation – Before any tiles are laid, confirm that backgrounds are clean, flat, and meet the fall requirements in wet areas.
3. During Installation – If possible, visit while tiling is in progress to check layout, joint spacing, and adhesive coverage.
4. Before Grouting – This is your last chance to spot uneven tiles or poor alignment before they’re locked in.

Document Everything

• Take photos – date-stamped photos are your best friend in a dispute.
• Make Notes – If you spot something odd, write it down along with the date, time, and who you spoke to about it.
• Keep Copies – If the checklist is updated or marked by your builder, keep a copy for your records.

Work With (Not Against) Your Builder

• Ask questions rather than making accusations — you’ll get better cooperation.
• Frame it as a shared goal: “I want to make sure we’re meeting standards so it looks great and lasts a long time.”
• If you’re not sure about something technical, ask for the tiler or site supervisor to explain it to you in plain terms.

Act Quickly on Issues

• Don’t wait until handover to raise concerns — by then, fixing a fault can mean pulling out finished work.
• Raise concerns in writing as soon as possible so they’re officially noted.

Tiling is meant to last for decades, and redoing it is messy and expensive. Use the checklist from the start and you shift from hoping your tiling is done right to knowing it is.

Frequently Asked Questions

1. What is AS3958.1 and why does it matter for my tiles?

AS 3958 is the Australian Standard for installing ceramic and stone tiles. The 2023 edition replaced the older AS 3958.1 and sets out requirements for materials, preparation and installation. Tiling that meets it is more likely to last and resist cracking or water damage.

2. Can I ask my builder to follow the C14 checklist?

Builders who care about quality should already be following AS 3958 and be able to show you a quality management system. Ask your builder how they ensure compliance with Australian Standards and how they record and manage quality during construction.

3. What happens if tiles are laid without proper surface preparation?

They might look fine at first, but over time you can get lifting tiles, cracks, or water leaks. Fixing these issues usually means removing and replacing the tiles — a costly and disruptive process.

4. What’s the difference between ceramic and porcelain tiles?

Both are types of ceramic tiles, but porcelain is denser, less porous, and more durable, making it great for high-traffic areas or outdoor use. Ceramic tiles are lighter and often easier to cut, which can make them better for some wall applications.

5. How do I know if the right adhesive is being used?

Ask for the product name and check it against the manufacturer's recommendations for your tile and substrate. It should also meet AS ISO 13007.

6. What are movement joints and do I need them in my home?

Movement joints are small gaps filled with flexible material that let tiles expand and contract without cracking. Yes, you need them — especially in large tiled areas, areas exposed to sunlight, and where tiles meet walls or other fixed surfaces.

7. How long should I wait before walking on newly laid tiles?

For most jobs, light foot traffic is okay after 24–48 hours, but heavy traffic or moving furniture should wait at least 7 days. Always check with your tiler, as curing times depend on the adhesive and grout used.

8. Should I inspect tiling before grouting?

Absolutely. This is the best time to spot uneven tiles, poor alignment, or lippage before the grout locks everything in place.

9. Can tiling faults be fixed after handover?

Some faults can be repaired, but others require full tile replacement. It’s far easier and cheaper to address issues before handover, while the builder is still on site.

10. Does poor tiling affect my home’s resale value?

Yes — buyers notice uneven grout lines, cracked tiles, and bad finishes. These issues can reduce your home’s appeal and potentially lower offers.

Test yourself

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Further Reading

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