DAFA DP 2.01

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Flat roofs have a long tradition, but their real development occurred in the 20th century, initially thanks to the use of bituminous materials, and later - synthetic materials. In parallel, creation of building standards and regulations took place, taking into account the results of laboratory tests of these materials and the comments of practitioners associated in specialist organizations, presenting a high level of professionalism and credibility, which are often treated equally with other reference documents, such as standards. For example, comparing European standards with studies published by IFD never shows substantive discrepancies and it is hard not to notice that they had and still have an impact on the creation of standards - at the same time they are documents complementary to each other.

Political changes and the launch of human entrepreneurship resulted in the use of more modern roofing technologies in Poland from the beginning of the nineties. The first implementations were supervised by professionals with many years of experience - representatives of western concerns. Characteristic for this period was the phenomenon of lagging behind legislative processes of rapid economic changes, which often resulted in e.g. the lack of relevant ordinances, laws, norms, instructions and other documents regulating the use of specific technical solutions. At that time, the construction law was changed, introducing the need for technical approvals.

DAFA DZ 1.01

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Independent experts and the editorial team of the Green Roofing Partners Group (Grupy Merytorycznej Dachy Zielone) were involved in the substantive and editorial work on the development of the guidelines, consisting of practitioners representing industry member companies of DAFA.
The intention of the team developing the Polish edition of the guidelines was to refer to the research methods used in national conditions and the recommended content of nutrients in substrates for intensive and extensive greens, which may be useful for the qualitative assessment of substrates recommended for green roofs.
An additional element of the Polish edition of the guidelines is the Polish-German dictionary of industry terms contained in Annex No. 5.
The practical application of knowledge from the guidelines will have an impact on improving the quality of design, implementation and care of green roofs. Thus, it will contribute to paying more attention to the selection of available solutions at the design and construction stages, and at the operational stage to the need for care and inspection, especially in the first years of operation of a green roof. This, in turn, makes it possible to implement the assumptions of the green roof designer regarding the long-term effect and functionality of the solution.
The guidelines are addressed to a wide audience: producers of professional materials for roofs and green terraces, investors announcing tenders, decision makers that commission this type of work, architects, constructors and landscape architects, contractors involved in the implementation of green roofs (from waterproofing to vegetation layers), specialists conducting and controlling construction processes, companies dealing with landscape care, construction experts in general and experts operating in this industry. The study will also be useful in the broadly understood process of education and dissemination of knowledge on this subject. We also recommend them to all enthusiasts related to this topic.