Call Us Today: 1800 153 010

Protect Your Home
from Damp, Mould
and Termites with
a Single Visit

Sydney’s trusted subfloor ventilation experts offer free assessments, proven solutions, and long-term peace of mind.
Book My Free Inspection
No obligation. Let’s keep your home healthy.

+

Homes Inspected This Year

+

Years of
Experience

+

Homes
Protected

+

Satisfied

Homeowners
Designed to protect your home
“Sitnok Group provided an excellent service from start to finish. The team was punctual, professional, and took the time to explain the entire process to us.”
Mark T.
We treat & remove mould
Your house is at risk!
Moulds detected!

Is Your Home Hiding a Moisture Time Bomb?

Musty smells upstairs or wet carpets? Timber warping underfoot? Those issues often trace back to damp underfloor air. Without proper ventilation, moisture accumulates and causes mould, rot, pests and structural damage

Key Warning Signs to Watch For:

Musty indoor odour
Soft or warped flooring
Mould spots & rising damp
Termite risk due to moisture
Book a Free Moisture Check
We’ll walk you through options that match your goals.
Moisture-Free Guarantee
Moisture-Free Guarantee
Moisture-Free Guarantee
Moisture-Free Guarantee
Moisture-Free Guarantee

Why More Homeowners Are Choosing Us

We keep subfloor areas dry and mould-free
We protect timber floors and home foundations
We prevent pest entry and damp damage
Our solutions improve air quality and comfort
Energy-efficient, long-lasting ventilation systems
Book a Free Moisture Check

Dry, Healthy Floors in 3 Simple Steps

1
Schedule a free on-site inspection
2
Get a tailored plan and upfront quote
3
We install the right system for lasting results
1
Schedule a free on-site inspection
2
Get a tailored plan and upfront quote
3
We install the right system for lasting results
Book Your Free Inspection
Same-day quotes. Fast installs. Dry floors, guaranteed.

We Design The Right System For Your Home

Solution
Best For
Benefit
Passive Vents
Fan-Based Extraction
Complete Kits
Naturally ventilated homes
Damp or closed subfloor areas
Renovations or DIY installs
No electricity required
Powerful airflow, rapid drying
Preconfigured with expert advice
Solution
Best For
Benefit
Passive Vents
Naturally ventilated homes
No electricity required
Solution
Best For
Benefit
Fan-Based Extraction
Damp or closed subfloor areas
Renovations or DIY installs
Solution
Best For
Benefit
No electricity required
Powerful airflow, rapid drying
Preconfigured with expert advice
Help Me Choose A Solution
Moisture-Free Guarantee
Moisture-Free Guarantee
Moisture-Free Guarantee
Moisture-Free Guarantee
Moisture-Free Guarantee

Trusted by Thousands
of Homeowners Across
Sydney and NSW

Every day, we see people achieving more independence, connection and confidence. Here are just a few of their stories.
Google Rating
5.0
See all our reviews
“Booking was easy, and the inspection team was professional. They found the issue and fixed it fast, no more musty smell.”
Monique R, Bankstown
“We’d been putting this off for years. The Sitnok team was quick, polite, and left everything spotless. Highly recommend!”
James & Aria, Baulkham Hills
“I had no idea moisture under the house was causing our warped floors. Now the house feels fresh again. Worth every cent.”
Declan P, Sutherland Shire
“No more damp smell, no more
soft floors. Just a clean,
dry home.”
Happy Customer, Hawkesbury
“No more damp smell, no more
soft floors. Just a clean,
dry home.”
Happy Customer, Hawkesbury
Over 350 verified
Google reviews
“They showed up on time, explained everything clearly, and delivered what they promised.”
Lisa T, Western Sydney
NDIS Safe Homes accredited
Locally based installation teams
Over 350 verified
Google reviews
NDIS Safe Homes accredited
Locally based installation teams
Servicing Homes Across Sydney

We provide expert subfloor ventilation solutions to homeowners across Sydney. Whether you’re dealing with rising damp, mould, or poor air circulation, our team delivers fast and reliable installs.

Areas Covered:
Inner West
Lower North Shore
Sutherland Shire
Western Sydney
Bankstown
Blacktown
Burwood
Camden
Campbelltown
Castle Hill
Chatswood
Cronulla
Hornsby
Hurstville
Mosman
Parramatta
Penrith
Sydney CBD
Wollongong

The Done Once,
Done Right Guarantee

With over 30 years of experience solving moisture problems in homes across NSW, we don’t believe in guesswork.
We believe in getting it right the first time.
Book a Free Moisture Check
You’ll never pay twice for the same problem. That’s our promise.

Worried About Damp or Mould? Let’s Talk About Fixing It.

Whether you’ve just noticed the signs or you're ready to solve the problem, our ventilation specialists are here to help. No sales pressure. Just honest, expert advice.

This field is for validation purposes and should be left unchanged.
You'll speak with a licensed specialist, not a call centre.
We’ll assess your situation and explain the best next steps.

This field is for validation purposes and should be left unchanged.
You'll speak with a licensed specialist, not a call centre.
We’ll assess your situation and explain the best next steps.
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