Green roofs. Technology. Advantages and disadvantages

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СПБ ГБПОУ «Академия Управления Городской Средой, Градостроительства и Печати»
Green roofs
Technology
Advantages and
disadvantages
Made by:
Petrov Egor - Author
Andreev Mihail - Сoauthor
Kutuzova Zemfira Maratovna – project leader
2024

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Content
01 History
Some words about the
beginning of design
02 Construction
Layers and materials
03 Discourse
Advantages and disadvantages
Results

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Green roof
Green roofs - partial or complete
filling of the roof with living plants.
These can be either plants in
containers or tubs, or planted in
the ground.

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History
The first mention of them dates back to 2113 BCE. ).
But it isn’t known for sure what these gardens looked
like. Archaeologists were only able to find out that they
were located on the roofs of ziggurats. In the period of
antiquity, the tradition of decorating the roofs of their
houses was continued by important citizens of Ancient
Greece and Rome. They preferred plants in pots. The
roofs of mausoleums were also decorated with trees.

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The Renaissance period
"transferred" green roofs
to Italy. It was where the
most of the roof gardens
were built. For example,
the garden at the Villa
Medici in Florence. Or a
palace with hanging
gardens on the island of
Isola Bella, built already in
the 18th century.

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As for Russia, the roof gardens came to us
in the 17th century. Metropolitan Jonah
gave the command to create a garden on
the level of the second floor of the Rostov
Kremlin. But because of the high costs,
the idea did 't go to the masses. Single
copies could be found in the mansions of
rich boyars and in the Moscow Kremlin.

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Only in the 19th and 20th centuries
Russian architects began to work
actively on houses with a green roof.
One of the demonstrative examples is a
ten-storey house in Moscow, by those
standards – “a Nirnze’s skyscraper”.
The flat roof was surrounded by
parapets in the form of arches, along
which buckets with bushes and
containers with flowers were placed.

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Construction of a
simple green roof

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1. Foundation
The first level of the plant
roof is the load–bearing
constructions of the roof
itself.

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2. Hydro isolation
Without exception, all
plants need water and
regular watering. But such
an impact is extremely
harmful to the roof
materials, that’s why roof
and plants soil must be
separated.

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3. Thermal isolation
Thermal isolation destined
for saving the heat of the
soil

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4. Barrier for roots
A root-protective layer is
necessary to prevent
damage from roots that
can grow deep into the
roof.

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5. Drainage layer
Drainage material is able to
keep a certain amount of
water, which is necessary
for the life of plants.

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6. Filtration layer
This layer is necessary to
hold up unnecessary
precipitation.

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7. Fertile soil
At this stage, a layer of soil
for plants is created. When
choosing a soil mixture, the
exactingness of the planted
plants is taken into account.

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8. Plants of the roof
After laying all the layers for
the green roof of a wooden
house, you can plant plants.

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Advantages
&
Disadvantages

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"Green roofs" filter the air, fighting its
different pollutions, including carbon
dioxide. Plants and soil provide good
sound insulation. "Green roofs" collect
rainwater, it can be cleaned and used in
daily life.
Good choice

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Advantages
Improving the ecology
Regulates the heat
Increasing level of noise insulation
Extra green place for relax
Good protector from negative effect

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Disadvantages
• Much more expensive than common
roof
• Substantial spending
• Difficult to maintain
• A lot of heavy mechanical, chemical
and biological affects
• Difficult to repair
• Not for every region

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Summarize

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Academy of Urban Environment Management, Urban Planning and Printing
Thank you
for your
attention
2024