5 Best Spray Foam Insulation Services in Johannesburg (2026)

Home Insulations is a Glenvista-based insulation contractor supplying and installing thermal insulation products for homes across Johannesburg, Centurion, Pretoria, and beyond. It also supplies roofing and ceiling materials, and reviewers consistently name the same two team members, Kevin and Warren, for both the installation work and the communication around it.

Genesis Acoustics is a Sandton-based acoustic consultant and building materials supplier specializing in soundproofing solutions, including acoustic wall panels and foam, for home cinemas, offices, and recording studios. It's a different niche from pure thermal insulation, focused specifically on noise and echo problems rather than heat control.

Insulpro CC is a Booysens Reserve-based insulation contractor and materials wholesaler supplying thermal and acoustic insulation for floors, walls, ceilings, and pipes. It's operated since 1997 and serves both retail customers and trade professionals looking for fire-stopping and insulation products.

Egoli Insulation & Sheet Metal Works is a Booysens Reserve contractor supplying thermal insulation alongside sheet metal work, serving both residential and industrial clients. The company has worked on projects ranging from home repairs to major infrastructure like the Medupi Power Plant, per its own site.

Thermaboards is a Greenside-based national supplier of extruded and expanded polystyrene rigid boards, ceiling insulation, and polystyrene cornices. It's a materials specialist rather than a full installation contractor for every job type, with reviewers specifically praising cornice matching for period-home renovations.