Welcome to BJS Group

Whole project solutions for Joint Sealing and Passive Fire Installation and Certification 

Joint Sealing

Domestic and commercial waterproofing and fire rated joint sealing 

Passive Fire

Installation, certification, maintenance and rectification 

Block Walls & Tilt Slabs

Sealing expansion joints can prevent mold buildup, insects entering, and improve insulation and aesthetics.  We also colour match!

Wet Area Sealing

Bathrooms, kitchens, windows, pools, walkways and driveways for one house or multi-storey apartments.

Service Penetrations

Service penetrations of any size including electrical, data, plumbing, gas, risers, voids, bin chutes, door grills, bulkheads, barriers, cable trays, and more…

Consulting Services

Inspections and reporting on building passive fire compliance and scope of work for rectification



 Coming Soon: View the latest news about all things BJS – Joint Sealing and Passive Fire



Coming Soon: Take a look at our quality workmanship



Coming Soon: Read about the quality products we use, including new innovations from our trusted suppliers

We handle projects of any size

Based in Brisbane, we take care of a wide range of projects including commercial buildings, walkways, sporting facilities, kitchens and bathrooms, windows, pools, car parks and shopping centres to name a few.

BJS has experience working on large scale high rise projects spanning over 60 levels, to smaller jobs like joint sealing your bathroom.

Take a look at some of our current projects.



We’ve been servicing Brisbane for over 10 years

Luke Mackey, Director of BJS Group, took over with the mission to bring a quality, all inclusive solution for the installation and certification of fire rated joint sealing, silicone joint sealing and passive fire protection to the industry.

A Few Of Our Clients