International Thermal & Acoustical Insulation t/a INTERTHERM is one of South Africa’s leading Insulation companies that have had the pleasure of being in business since 1997, Intertherm has completed many large projects throughout Southern Africa and Africa, as well as attended to our smaller clients on the maintenance and repair of their thermal insulation. Considered to be the leader in Cold Insulation throughout Africa we also have extensive experience in hot and acoustical insulation, we also have exclusive rights for an evolutionary new spray application insulation which we have recently successfully completed in the DRC, we are often found in breweries, food manufacturing & petrochemical plants, working on mines on the surface & underground and cement factories to name a few. Intertherm offer a 12 month guarantee on all of our Thermal Insulation works, No Project is too big or small for Intertherm, we pride ourselves in Quality and Service, we are small enough to care, yet big enough to matter! Intertherm - Your partner in Africa for Insulation.
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The Intertherm annual revenue was $11.8 million in 2026.
Len Phelps is the Co-Founder Technical Commercial of Intertherm.
10 people are employed at Intertherm.
The NAICS codes for Intertherm are [3279, 327, 32].
The SIC codes for Intertherm are [32, 329].