Flag Spa has been active since more than 50 years in the field of synthetic waterproof membrane and thanks to its highly qualified know-how it became a relevant partner in the outmost works of roofing, civil engineering, swimming pools, all over the world. Flag Spa SOPREMA GROUP is the excellence of synthetic in terms of products, innovations, and easy setting.

FLAGON PVC: the waterproofing membrane that shaped history

Polyvinyl chloride was observed by accident in two occasions during the XIX century, in 1835 by Henri Victor Regnault and after in 1872 by Eugen Baumann. In both cases a solid white mass of polymer was founded inside bottles of vinyl chloride that were exposed to sun light. Its best known acronym is, indeed, PVC (PolyVinyl Chloride). This thermoplastic polymer was first used in 1930 for hoses and had a sudden industrial development after the Second World War. PVC membranes entered the wate...

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SILVER ART aluminium colour waterproof synthetic membrane

Free creativity, leaving fantasy unbound, conceive cutting-edge roofing with boundless materials and design, has always been the ambition of many architects and designers. Flag Spa has designed a new waterproof membrane for architectural visible roofing, Silver Art®, fruit of its year long experience in the field of synthetic waterproof membranes. The membranes of the Silver Art ® range, thanks to their high mechanical resistance and relevant resistance to UV rays, like all Flag’s material...

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SOPREMA GROUP: facts and figures - 6260 employees - Consolidated turnover in 2015 - 2.130 mill…

6260 employees all over the world 17 waterproofing plants, 18 branches, 4000 dealersPresence in 90 countries7 R&D centers19 training centersConsolidated turnover in 2015: 2.130 millions Euro...

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Production lines of waterproofing synthetic membranes FLAG SpA

PVC-P spreading - Villa Santo Stefano (FR)It is a production process where the mesh is full part of the synthetic waterproof membrane. A mixture of liquid-viscous product, called “plastisol” is laid on a support by a spreading head. This mixture contains resins, plasticizing agents, stabilizing agents and pigments, and defines the ultimate characteristics of the waterproofing membrane.After the spreading phase, plastisol hardens due to a jellification process obtained inside the furnaces a...

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Roofing and Waterproofing system with synthetic membrane The gravel ballast Green roof ballast…

The solution is composed by a waterproof system with synthetic membrane, ballasted by a roof garden system SOPRANATURE. The green roof ballasting: - protects the waterproof membrane against accidental mechanical damages.- fastens the waterproofing system against wind uplift - performs a thermo-adjustment action for roofing- improves the visible aspect of the roofing, particularly in highly populated areas. - performs an ecological function to preserve the urban eco-system- contrasts th...

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Loose-laid ballasted roofing fit for foot traffic synthetic waterproof solution

The waterproof solution is composed by a waterproof system with synthetic membrane, protected by a loose-laid ballasting layer. The loose-laid ballasting layer: - protects the waterproof membrane against accidental mechanical damages.- fastens the waterproofing system against wind uplift.- makes the roofing fit for traffic The loose-laid, dry-set floor ensures a rather easy maintenance of the waterproofing element. The synthetic waterproof layer is loose-laid on the support and is reinf...

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Holzbau choose Flag Soprema TPO synthetic membrane for a three-month waterproofing refurbishme…

The three-month refurbishment, without losing a single working day, was the challenge faced by Holzbau and Flag Spa SOPREMA GROUP for this waterproofing intervention of 11.000 m2 at Bressanone.The roofing was risen building a prefab wood ceiling on a carrying structure made of wood glulam. The waterproofing protection of the new roofing was critical because it had to fulfil three main requirements: Total waterproofing, quick setting, lightness. These requirements perfectly combine with the...

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Waterproofing membrane in modified polyolefin FLAGON maintain the sealing of the concrete basi…

The main concern in hydraulic works is that the waterproofing layer has the capacity to maintain the sealing of the basin or of the channel, preventing relevant water leakages. This topic is particularly important in regions where draught represents a real problem, where summer periods are very hot and dry, and where water resources are critical for agriculture. Since the beginning Flag has always been caring for the agricultural sector, thus contributing in the 70ies to its massive develo...

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