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Thermguard | Cellulose Fibre Insulation

Thermguard was established in 1984 with the commitment to reduce the amount of waste newspaper, which would otherwise end up in landfills or the environment, by recycling it and creating a beneficial product. In the last year alone, the company has recycled more than 1100 metric tons of newspaper whilst supporting South Africa’s local manufacturing industry. Thermguard is a cellulose fibre loose-fill insulation made from recycled newspaper, with a few harmless household chemicals being added to ensure that the insulation is fire retardant, as well as insect and rodent resistant. Cellulose fibre insulation was previously only installed by approved contractors using purpose-built blowing machines, which proved to be restrictive. To overcome such restrictions, we decided to open the market to any individual or company who wants to install Thermguard. There are now several combinations of installation machines available to the whole South African construction industry. Our nationwide network of approved Distributers is ideally positioned to supply these machines as well as Thermguard insulation to anyone who would prefer to install Thermguard insulation themselves. Manufacturing of Thermguard insulation started in a factory located in Pietermaritzburg.In 2018 the factory relocated to a much larger premises in Johannesburg in order to better service its national customer base. Over the years Thermguard has introduced several new pieces of equipment which have directly resulted in the improved effectiveness of the chemical treatment process, as well as reducing the density of the insulation, thereby making it lighter and more effective.Thermguard has maintained a longstanding relationship with the South African Bureau of Standards (SABS) and has retained the prestigious SABS Mark permit for more than 20 years. In addition to the SABS Mark, Thermguard insulation is manufactured in a factory which complies with the International Organisation for Standardization (ISO) 9001:2015 Quality Management System requirements – which assures the consistent manufacture of a high-quality product.

Brochures / Datasheets

Installation Machine | Thermguard DIY Buy

The installation of Thermguard insulation is a swift and efficient process, with a skilled team of two individuals capable of installing 300m2 in a single day. The general installation procedure involves one person operating the machine while the other directs the hose, with downlights requiring covers before commencing installation, and dust masks as a safety precaution. The recommended insulation thickness varies based on location or project requirements, such as 135mm in Johannesburg and 115mm in Pretoria. To determine the number of bags required, a simple calculation of house size divided by coverage is employed, with the suggestion of keeping a few extra bags on hand in case of thicker installation needs.

Thermguard Insulation Thermal Conductivity

Thermguard Insulation offers a comprehensive range of thermal insulation solutions designed to effectively regulate temperature conductivity. With a minimum thickness requirement ranging from 100mm to 135mm, Thermguard Insulation provides varying levels of thermal resistance, ensuring maximum energy efficiency. Available in convenient bag packages, the insulation boasts a low mass per coverage area, making it efficient to install while offering superior performance.

Thermguard Technical Data Sheet

Thermguard Cellulose Fibre Insulation is a highly efficient and eco-friendly insulation solution. Crafted from over 80% recycled newsprint, it features a fluffy fibrous matrix with microcellular paper fibres that provide excellent thermal resistance, reducing heat conduction and enhancing insulation properties. This grey matrix insulation is suitable for various applications, ensuring durability by being unattractive to vermin, corrosion-resistant, and fire-rated to SANS 428 B/B1/2 standards. Its non-toxic and non-irritant nature simplifies handling, while the lifetime guarantee and outstanding sound absorption make it a top choice. Furthermore, its SABS approval, ISO 9001:2015 certification, and suitability for 100% coverage during blown installation emphasize its technical excellence, making Thermguard a sustainable and effective insulation solution.

Advantages of cellulose fibre | Thermguard

Cellulose fibre insulation offers numerous advantages, particularly in the context of South African homes facing rising electricity costs and frequent load shedding. Beyond saving money year-round, it enhances comfort and health while reducing environmental impact. Thermguard insulation effectively regulates temperature, conserves energy, and decreases greenhouse gas emissions by preventing heat transfer through ceilings by up to 92%.

Thermguard - Company Profile

Established in 1984, Thermguard is dedicated to recycling waste newspaper into a valuable product, thereby contributing to environmental sustainability. Specialising in cellulose fibre loose-fill insulation made from recycled newspaper, Thermguard incorporates harmless household chemicals to ensure fire retardancy, as well as resistance to insects and rodents.


106 Plane Road, Spartan
Kempton Park
South Africa

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