Waterproofing, Isolation Systems and Moisture Control Systems
At GSJ Key Services Limited, we specialise in comprehensive waterproofing, isolation systems, and moisture control solutions designed to protect your property from the inside out. With a combination of technical precision and industry expertise, we help safeguard residential, commercial, and industrial buildings against the damaging effects of water ingress, rising damp, and condensation.
Moisture may not always be visible, but its long-term impact on structures, finishes, and health can be severe. That’s why our services focus on preventive protection and long-lasting durability—ensuring your space stays dry, safe, and structurally sound for years to come.
From foundation sealing and cavity insulation to advanced isolation membranes and drainage systems, we offer tailored solutions that meet your property’s specific needs—executed with professionalism and care at every stage.
Our Core Services Include:
Structural Waterproofing
We deliver advanced waterproofing solutions for both new builds and existing structures, protecting below- and above-ground areas.
Applications include:
Our methods include liquid membranes, sheet membranes, cementitious coatings, and crystalline systems, selected based on your site’s unique conditions.
Isolation Systems
We design and install barrier systems to isolate moisture-sensitive building components and prevent thermal bridging or chemical attack.
Typical use cases:
These systems are crucial for longevity, energy efficiency, and regulatory compliance—particularly in high-risk or specialised environments.
Moisture Control & Damp-Proofing
Excess moisture is the silent enemy of every building. We provide targeted solutions to manage internal and external moisture problems.
Our solutions include:
We offer full site surveys and diagnostic reports to pinpoint the root cause before recommending a customised solution.
Who We Serve:
Whether you're protecting a new foundation or restoring an older structure, we tailor our services for maximum durability and long-term results.