Water coming through the ceiling? We’ll find where it’s getting in.
A leak means stained plaster, the worry of mould and dread every time it rains. We find the cause and fix it properly.
- NSW licence 451327C
- $20 million insured
- Family-owned, 30+ years
- You don’t need to be home


Stay off the ladder. That’s our job.
Climbing up to check a gutter or a cracked tile is how people get hurt. Our roofers go up harnessed, find the cause and photograph it, so you see the problem from the ground.
Before and after: real JSJ jobs






What Sydney home owners say
- ★★★★★
“Got in on a day that was hammering down. Said he’ll be back when it’s better, and low and behold, 1hr later, he’s back and on the roof patching our roof! Top notch work!”
- ★★★★★
“Super polite, super friendly and respectful (took shoes off before coming in). Fixed my leaking roof, talked me through the issue and the fix. Prompt, easy, absolutely would use again, highly recommended”
- ★★★★★
“They took photos during the initial inspection to clearly show what work they would carry out in their quote and then took photos afterwards showing the repairs. The team’s communication was great and they were extremely professional. Their prices were fair and I was extremely impressed with their work and timely repairs.”
- ★★★★★
“They were able to identify the cause of roof/ceiling leak issue, and provided good feedback and details with photos on how they fixed it. They were very respectful of my home…”
- ★★★★★
“Daniel and his team did an amazing job replacing our terrace roof. Very professional. Great communication. Everything was completed in an incredibly efficient manner - and the clean up was exceptional.”
- ★★★★★
“Great experience with JSJ Roofing. Professional, reliable and easy to deal with. They did a great job with our roof repairs and replacement. Quality workmanship and good communication throughout. Highly recommended!”
What you can expect from us
Free inspection
Inspections are free for home owners, with no obligation.
Written quote in 24 hours
After your inspection, at a fixed price, with photos of what we found.
Photos on every job
What we found, what we did, before and after.
5-year repointing warranty
2 years on general workmanship.
What happens on inspection day
- Send us photosOf the stain or the roof, if you can. They help us bring the right materials.
- We find the causeA qualified roofer inspects the roof and finds what’s really causing the problem. Small fix? We’ll call before doing anything.
- Your written quoteWhat’s wrong, what we recommend and a fixed price.
You don’t need to be home. If we can reach the roof from outside, just leave the side gate open.
Tell us about your roof
We’ll contact you by the next business day. Urgent leak? Call (02) 9627 3232.