Building a new home is an exciting milestone, and reaching handover means you're one step closer to moving in. Before you accept the keys, however, it's important to take the time to inspect every detail—including one of the most overlooked aspects of a new build: the caulking.
While caulking may seem like a small finishing touch, it plays a critical role in protecting your home from water damage, improving energy efficiency and ensuring a high-quality finish. Identifying any issues before handover gives your builder the opportunity to rectify them, saving you time, money and frustration down the track.
Here's what you should look for during your final inspection.
Why Caulking Matters in a New Home
Professional caulking is designed to seal the gaps between different building materials, creating a watertight and flexible barrier that accommodates normal movement as your home settles.
Without properly installed caulking, water can penetrate behind tiles, around windows and doors, and into wall cavities, potentially causing damage over time.
Quality caulking also enhances the appearance of your home by providing clean, neat lines throughout wet areas and external joints.
Areas to Check During Your Handover Inspection
Before accepting handover, take the time to inspect the following areas carefully.
Bathrooms and Ensuites
Bathrooms are one of the most important areas to inspect because they experience constant moisture.
Check that silicone has been professionally applied around:
- Showers
- Bathtubs
- Vanities
- Toilets
- Floor-to-wall junctions
- Splashbacks
The sealant should appear smooth, consistent and fully bonded to both surfaces without gaps or bubbles.
Kitchen
Inspect all silicone around:
- Benchtops
- Splashbacks
- Sinks
- Stone joins
- Cabinet edges where required
Any missing or uneven sealant can allow water to enter cabinetry and reduce the lifespan of your kitchen.
Laundry
Don't forget to inspect the laundry, particularly around:
- Laundry troughs
- Benchtops
- Splashbacks
- Wet area joins
These areas are often overlooked during final inspections.
Windows and Doors
Externally, inspect all window and door frames for continuous, neat sealant.
Look for:
- Gaps
- Cracks
- Missed sections
- Uneven application
Proper exterior caulking helps protect your home from Melbourne's changing weather conditions.
Exterior Joints
Walk around the outside of the home and inspect:
- Brick expansion joints
- Render joins
- Cladding joins
- Garage surrounds
- Service penetrations
These joints should be completely sealed using products appropriate for exterior conditions.
Common Caulking Defects to Watch For
Not all caulking is applied to the same standard. Some of the most common issues we see include:
- Uneven silicone lines
- Gaps in the sealant
- Air bubbles
- Excess silicone left on surrounding surfaces
- Silicone applied over dust or debris
- Poor adhesion
- Missing sections around fixtures
- Cracked or damaged sealant
These defects can affect both the appearance and long-term performance of your home.
When should I inspect the caulking in a new home?
The best time is during your pre-handover inspection, before you accept the keys. This gives your builder the opportunity to rectify any issues.
What are common caulking defects in new homes?
Common issues include uneven silicone lines, gaps, poor adhesion, air bubbles, missing sealant and untidy finishes around wet areas and windows.
Can defective caulking cause water damage?
Yes. Poorly installed or missing caulking can allow water to penetrate behind tiles, around windows and into wall cavities, leading to mould and costly repairs.
Should defective caulking be fixed before settlement?
Where possible, yes. It's generally easier to have workmanship issues addressed before settlement than after you've moved into the property.
How long should new home caulking last?
Professionally installed, high-quality silicone typically lasts between 5 and 10 years, depending on the location, exposure and level of use.
Should You Accept Defective Caulking?
If you identify issues during your handover inspection, it's important to raise them with your builder before settlement wherever possible.
Most builders will rectify genuine workmanship defects during the handover process, particularly when they are documented clearly.
If defects aren't identified until after you've moved in, repairs can become more disruptive and may require removing existing sealants before reapplication.
Why Professional Caulking Makes a Difference
Professional caulking is about much more than applying silicone.
At Professional Caulking Group, every project includes:
- Careful surface preparation
- Removal of defective sealant where required
- Selection of premium sealants for each application
- Precision application techniques
- Clean, consistent finishes
- Long-lasting protection against moisture and movement
Our experienced team works with homeowners, builders and developers to deliver quality finishes that stand the test of time.
Supporting Builders and New Homeowners Across Melbourne
Whether you're building your forever home or managing a residential development, Professional Caulking Group provides reliable new build and remedial caulking services across Melbourne.
We regularly assist homeowners who require defect rectification after handover, as well as builders looking for experienced caulking specialists who take pride in delivering high-quality workmanship.
Book a Professional Caulking Inspection
If you're approaching handover or have recently moved into a new home and noticed issues with the caulking, Professional Caulking Group is here to help.
Our experienced team can assess your property's sealants, identify any defects and provide professional caulking solutions that improve both the appearance and durability of your home.
Contact us today for a free, no-obligation quote and ensure your new home receives the quality finish it deserves.