Protecting Structures · Improving Efficiency · Delivering Excellence
RoofGuard Thermal Insulation (Pty) Ltd is a Gauteng-based roofing, waterproofing, and insulation specialist. Every job is personally overseen by Director Khathutshelo Aaron Mualusi.
Thermal scan · before & after installation
What We Do
From a single home to an entire industrial complex — we supply, install, and certify the right insulation for the job.
Knauf glasswool and Aerolite solutions for residential ceilings. Reduces summer heat and winter cold loss by up to 40%.
Full thermal upgrade for existing homes — we assess, strip old insulation if needed, and install a modern system without disrupting your ceiling boards.
Heavy-duty sarking and multi-layer systems for warehouses, factories, and commercial buildings — installed above the roof sheet for maximum performance.
Alububble and Alu-Lite multifoil systems that reflect radiant heat before it enters the building — ideal under IBR, Chromadek, and tiled roofs.
Bitumen, polyurethane, and torch-on membrane systems that seal your roof against water ingress — combined with Sisalation thermal protection.
Rain noise on IBR and Chromadek roofs reduced dramatically with Knauf acoustic glasswool and Alububble underlay systems.
Roof preparation and insulation upgrades designed to maximise solar panel efficiency — Alu-Lite sarking keeps the roof cavity cool year-round.
Thermal imaging surveys that identify exactly where your building is losing energy — with a written product recommendation and costed quote.
Why RoofGuard
Every project is personally overseen by Director Khathutshelo Aaron Mualusi — no subcontractors handed the job, no shortcuts on site.
Khathutshelo Aaron Mualusi personally oversees all major project delivery, quality assurance, and client relationships — you deal with the expert, not a call centre.
We install Alububble, Alu-Lite, Knauf, Sisalation, and Aerolite — all SABS-tested, SANS-compliant, with full manufacturer-backed warranties.
All projects are formally quoted with itemised written quotations. 50% deposit on acceptance — we never finance your materials from our own capital, and we never add costs after work begins.
How It Works
We visit your property, take measurements, and identify problem areas with thermal imaging at no charge.
You receive a detailed written quote with product specs, projected energy savings, and installation timeline.
Our crew installs on the agreed date. Typical residential jobs are completed in a single day.
We walk you through the completed work, issue the compliance certificate, and hand over your warranty documents.
Transparent Pricing
Fixed-price packages for the most common project types. All prices include supply, installation, and compliance certificate.
Instant Cost Estimator
Adjust the sliders to get a real-time ballpark estimate — no sign-up required. We'll confirm with a fixed-price quote after the free site visit.
Estimate only. Final price confirmed after free site assessment. VAT excluded.
Common Questions
About the Director
Khathutshelo Aaron Mualusi is the founder and sole director of RoofGuard Thermal Insulation (Pty) Ltd. He built the company on a simple idea: the person quoting the job is the person on site making sure it's done right.
Every project — residential, commercial, or industrial — is personally overseen from first site visit to final handover. No subcontractors handed the job. No corners cut. Just careful workmanship, honest pricing, and clear communication with the client throughout.
Get in Touch
No obligation. We'll visit, assess, and give you a written proposal within 48 hours.
Thanks — we'll call you within 2 business hours to confirm your free site assessment.