Expansion and Control Joint Cutting and Re-sealing in Wollongong
Joint cutting and sealing in Wollongong: Expansion and control joints cut to the engineer's cut plan
- Expansion and control joints cut to the engineer's cut plan
- Saw cuts for new pours and slab section removal, 25 to 500 mm
- Failed sealant cut out, joint cleaned and re-sealed
- Wet cut, slurry vacuumed, bunded and removed, SWMS on every job
Expansion and control joint cutting in slabs, pavements, hardstands and roads in Wollongong, saw cuts for new pours, and joint re-sealing on trafficked floors.
One crew for the cut and the seal
A slab moves. If the joints are not cut where the engineer wants them, the slab picks its own line and cracks. If the sealant in a trafficked joint fails, the arris breaks down under every forklift wheel. We cut new joints to the cut plan and we re-seal failed joints on existing floors, so one contractor answers for the line, the depth and the seal.
What we cut and seal in Wollongong
- Expansion and control joint cutting in ground slabs, pavements, hardstands and roads, to the depth and layout on the cut plan.
- Saw cuts for new pours, so the fresh slab cracks at the joint and nowhere else.
- Joint cuts for slab section removal, and road and floor sawing from 25 to 500 mm.
- Joint repair and re-sealing on trafficked slabs: arris and edge breakdown, spalled joints and failed sealant.
How the work runs
- Scope from the cut plan, the road authority's specification or a joint schedule and photos: thickness, joint depth and width, what is under the slab, access and hours.
- SWMS issued before the start and a supervisor on site for the shift, with inspection records written for the engineer's or the road authority's review. Where services or a suspended slab are possible, we scan first.
- Joint lines set out from the cut plan and checked with your engineer or site supervisor before the blade goes down.
- Wet cut with water on the blade for dust and silica control, depth set to the cut plan. Slurry bunded and vacuumed as the cut runs and removed from site. Nothing goes into a drain, onto the track or into a waterway.
- On a re-seal, the failed sealant is cut out and the joint faces are cleaned back to sound concrete. Spalled arrises are repaired to the specification first.
- New sealant or filler installed to the manufacturer's instructions and the engineer's or facility manager's specification. Cure and return to traffic follow the product and the engineer's or manufacturer's requirement.
- Night possessions and staged works where the site requires it, so a warehouse keeps trading.
What the engineer specifies and what we do
Your engineer or designer sets the joint positions, depth and width, or the road authority's specification does. The sealant or filler is named by the engineer or the facility manager who owns the floor. We cut and seal to those documents and hold for inspection where asked. We do not supply engineering, we do not lay out joints and we do not choose the product. Inductions, insurances and paperwork go into your systems the way a head contractor expects.
Who books this work
Builders and concreters who need joints cut in a new pour. Civil contractors, councils and road authorities cutting joints in pavements and roads. Facility managers with joints breaking down under forklift traffic in a warehouse, cold store, factory or hardstand. Head contractors taking a slab section out. Rail operators with a channel to cut in a possession.
Where we work in Wollongong
Expansion joint cutting and re-sealing in Wollongong covers Port Kembla and the steelworks precinct, where hardstand and plant floor joints take heavy wheel loads every shift, the Unanderra, Kembla Grange and Albion Park industrial areas and the new tilt panel sheds going up in them, the Princes Highway, Memorial Drive and the M1 Princes Motorway at Mount Ousley, the Illawarra rail line from Helensburgh to Kiama, Wollongong Hospital and the University of Wollongong campuses, Shellharbour, Nowra and the Shoalhaven, and the Wollongong, Shellharbour, Kiama and Shoalhaven council areas.
Wollongong is about ninety minutes down the M1 from our Marrickville base. Illawarra work is booked as a block: the crew mobilises once with the saws, spare blades and vacuums and stays until the cut plan or the joint schedule is finished.
The joint and channel cutting on our books is in Sydney rather than Wollongong itself. A 30 mm movement joint cut through 1.2 m thick columns at Mascot with a wall saw, so the building could expand and contract. A channel cut along both platform edges at Wynyard Station for Sydney Trains, over 240 lineal metres across two weekend possessions, so a gap filler could be installed by others. 190 lineal metres of industrial slab at Erskine Park road sawn at 225 mm for removal. A 120 square metre slab at Balmain for Lloyd Group marked out and sawn into 2 m squares with a sandbag bund holding the slurry. To be plain: the named jobs on the site are joint and channel cutting. The joint repair and re-sealing work sits inside our concrete maintenance service and does not have a published case study yet. References on request. The same crew, saws and method travel to Wollongong.
Frequently asked
Do you cut or seal joints for homeowners in Wollongong?
No. We do not cut or seal joints in driveways, paths or slabs for homeowners. Commercial, industrial, civil and infrastructure work only.
Who decides where the joints go and what goes in them?
Your engineer or designer sets the joint positions, depth and width on the cut plan, or the road authority's specification does. The sealant or filler is chosen by the engineer or facility manager who specifies the repair. We cut and seal to those documents, nothing more.
How soon can forklifts run over a re-sealed joint?
It depends on the product and the engineer's or manufacturer's requirement. We confirm it before the crew starts so the floor can be staged around it.
Do you install bridge expansion joint assemblies or armoured joints?
No. We cut expansion and control joints in concrete and re-seal joints in trafficked slabs. We do not install bridge expansion joint assemblies, armoured joints or proprietary expansion joint systems.
Other areas we cover
Joint cutting and sealing also in Sydney, Newcastle, Brisbane, Gold Coast and Sunshine Coast. Hub: concrete cutting. Related in Wollongong: road sawing and concrete maintenance for spalls, cracks and floor repairs around the joints.
What happens next
Call 02 8015 6398 or send the form below with the address, the cut plan or joint schedule, photos and the hours available. Ammar and the Sydney team run the job from our Marrickville base and come back with a method, a programme and a price.
Need a price on this work?
Send us the scope and we will come back to you with a price. Commercial and industrial work only.
Perfect Concrete Care acknowledges the Aboriginal and Torres Strait Islander people as Traditional Custodians of the country on which we live and work. We pay our respects to the Traditional Custodians and Elders past, present and future, and honour their connection to the land and ongoing contribution to society.