• What is SPF

    What is SPF

    The product “RIGIFOAM Closed Cell Polyurethane Sprayfoam” which THERMAMASTA install,is a Closed-Cell, Rigid Polyurethane version of ‘SPF’, With superior Thermal Insulation performance, when compared to other ‘SPF’ formulations.

  • Building Professionals

    Building Professionals

    Closed-Cell SPF is especially suited to be applied externally, and due to its seamless nature, is unmatched for its ability to perform these duties. But even a roof insulated from underneath.

  • Building Managers and Owners

    Building Managers and Owners

    Closed-cell Spray Polyurethane Foam (SPF) systems deliver longer life expectancy and lower lifecycle costs over traditional systems, while affording superior protection to the building.

  • Before & After

    Before & After

    Photos of before & after the project started and finished.


Roof at Sasol Omnia after tornado. The yellow and red part was foamed and nothing happened to the roof. The part that was not foamed were severely damaged

Roof at Sasol Omnia after a tornado occurred. The yellow and red part of the roof was sprayed with the SPF Polyurethane Foam Insulation. There was no damage to that part of the roof. The part that was not sprayed with the foam was severely damaged.

About Thermamasta – Polyurethane Spray Foam for Waterproofing

Established in 1993, Thermamasta is able to offer clients more than 20 years of expertise. The Company was previously known as Thermocoat but the name was changed in 2004, due to the registration of the trademark name Thermamasta.

Thermamasta is the leading supplier and applicator of professional solutions to waterproofing, spray foam insulation and painting projects. Our services include the restoration, redecoration, foam spray insulation and sealing of roofs and steel structures using Polyurethane Spray Foam to provide an artificial thermacoat. We operate in the Industrial, Commercial, Agricultural and Domestic sectors and our clients include many leading South African companies.

Our aim is to deliver a complete service, with factory guarantees, to customers in South Africa and neighbouring countries. All our products are guaranteed and we pride ourselves in offering excellent after sales service.

All Thermamasta staff members are highly trained. Thermamasta has the expertise, equipment and products to execute jobs speedily, efficiently and safely.


View Latest Project: Beach House in Ramsgate