At Sharplines Caulking, we specialise in high-quality caulking services across South Australia, offering tailored solutions for both residential and commercial properties. Whether you’re building, renovating, or repairing, our expert team ensures every joint is sealed with precision—protecting your structure from water damage, drafts, mould, and energy loss.
We use premium, flexible, and weather-resistant sealants that meet Australian building standards, delivering a clean finish that lasts.
Explore our core service areas below:
Enhance your home’s appearance and performance with our trusted residential caulking solutions. From bathrooms and kitchens to window frames and skirting boards, we seal all interior and exterior joints to prevent leaks and reduce energy costs.
✅ Ideal for new builds, renovations, or re-caulking
✅ Mould-resistant and waterproof finishes
✅ Improve indoor comfort and hygiene
We provide reliable, professional commercial caulking services for builders, tilers, developers, and facility managers across South Australia. Our team delivers efficient, code-compliant joint sealing for high-performance commercial spaces.
✅ Expansion joints, tilt panels, and precast elements
✅ Fire-rated, acoustic, and thermal sealing
✅ Glazing, façade, and industrial waterproofing


Protect your home and elevate its finish with our expert residential caulking services.
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Reliable, professional caulking services for construction, development, and facility management.
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