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Filling those gaps

Online since 3.11.2015 • Filed under Advertorial • From Issue 16 page(s) 124
Filling those gaps

In its efforts to bring industry-leading solutions to the market, Mapei continues to identify the needs of the local construction industry and DIY market for technically-advanced but user-friendly chemical building solutions.

Founded in Milan in 1937, Mapei is a world leader in the production of adhesives and chemical products for building. Mapei South Africa now offers MapePUR Universal Foam M. This one-component expanding polyurethane foam is the practical, convenient solution to use for general gap filling, soundproofing and thermal insulation on any project. The multi-purpose MapePUR Universal Foam M comes in a handy 750ml spray can with a trigger operated nozzle that delivers up to 45 litres of polyurethane foam in free expansion. The foam hardens quickly and, subject to the prevailing temperature conditions, can be sanded after 30 minutes, or cut, ground, drilled, or skimmed with cementitious products, or painted. The foam expands when it comes into contact with humidity. To increase the expanded foam volume, the substrates around the gap are dampened by spraying with water prior to applying MapePUR M. Similarly, to increase polymerisation in the foam and achieve a higher expansion level after injection into a gap, the foam can be sprayed with water.

Adhering to all materials

Building and construction projects utilise numerous different materials and structures and it is inevitable that gaps exist or are formed when they are put together. With this is mind, MapePUR M is designed to adhere to all materials normally used in the building industry, such as brickwork, concrete, gypsum, wood, metal, glass, foam polystyrene and PVC. The hardened foam has excellent mechanical properties, high insulating and soundproofing properties (up to 58dB), as well as good resistance to the formation of mould and mildew. MapePUR M is impermeable and resistant to temperatures ranging from -40°C to +90°C. MapePUR M also subscribes to the highest European quality and safety standards.

Typical applications

Some typical applications for MapePUR are insulating and soundproofing door frames, window frames and roller blind housings; fixing support frames in place for door and window fittings; insulating through pipes for heating, air conditioning and cooling systems; fitting and insulating construction features and fittings on roofs; and sealing formwork to make it leak-proof when pouring concrete. MapePUR Universal Foam M is another technology innovation from the international Mapei group, a world leader in the production of adhesives, sealants and chemical products for building. In line with the group’s focus on sustainable development and the production of environmentally-friendly products, MapePUR M foam is made from a mixture of polyurethane prepolymer, foaming agents and special additives, and does not contain any ozone layer damaging CFCs. The product has a shelf life of several weeks and can be saved for use on other projects if the proper care and storage requirements are adhered to. ‘MapePUR M is such a convenient, versatile product that it is destined to be a standard item in every builder’s toolkit,’ comments Mapei South Africa’s product manager, Paul Nieuwoudt.

Mapei South Africa

T +27 11 552 8476


Issue 16

Issue 16

November 2015

This article was featured on page 124 of
To Build Magazine Issue 16.

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