الفهرس 
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Abstract
This thesis explores the usage of vegetated green systems and their
impact on residential building thermal efficiency. The effect of Hanging
Pocket as a type of Living walls as one of the most natural, efficient and
sustainable retrofitting solutions play an important role in converting sick
building into green ones and consequently suggested a valid design
guideline aiding the designers toward successful Eco-building realization.
Moreover, this research discussed the role in correcting the relation
between man and environment and how living wall could be an effective
element specifically in Egypt‟s vision 2030 and Egypt green economic
growth.from all the above mentioned, the study
recognized that Hanging Pockets technique created an insulation layer by
providing natural barrier to an exterior wall to reduce heat transfer from
outside to inside and vice versa.
As the study outlines that Hanging Pockets are the best retrofitting
method used in treating opaque parts (solid) of the building envelope, also
it has a positive impact on windows, as the plants have decent shading
effect on windows.
Additionally, both Expanded Polystyrene (EPS) and Hanging Pockets
have the same thermal insulation function for the building envelope,
however, hanging pockets are considered one of the ideal solutions for
treating existing building walls to improve and increase thermal insulation,
control the amount of heat gain through the outer envelope of the building,
improve the thermal comfort, and finally reduce energy consumption.
Moreover, such treatment benefits in other ways such as absorption of carbon dioxide, release of oxygen and impact positively on humidification
as well as improving building elevations external look.