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S c i e n t i f i c a n d T e c h n i c a l C o n f e r e n c eS c i e n t i f i c a n d T e c h n i c a l C o n f e r e n c e

TITLE OF THE PAPER: Solutions for increasing the energy performance of buildings and reducing the amount of water afterthe torrential rains.

AUTHOR'S NAME AND CONTACT DETAILS: Sardaru (Nichifor) Ancuta Elena, Telephone: 0730.298.857, the email

address: s_ancutza19@yahoo.com.

KEYWORDS: rainwater, building, energy, roof.

ABSTRACT:

A modern solution on improving energy performance of buildings and reducing the amount of water after torrential rains is

building "green roof - garden".

This is an system ecological, coating, partial or complete, with soil

that allows vegetation to grow on the surface of the roof. The buildingswith low slope roofs are favorable for applying the technology of green

roof garden.

These types of"green roofs - garden" contributes to thermal

insulation of buildings, diminishing costs for heating in cold weather and

in summer for cooling the dwellings.

Fig. no. 1: Green roof garden (New York)

,

greenhouse effect and leading to a increase of the lifetime of the roof, but and

value of these buildings.

The components layers of a "green roof - garden" are:

- Concrete slab is the layer that supports additional load of green roof-garden.

- The hydroinsulation, which protects the rainfall infiltration into the building

structure, is an layer important in the assessing viability of green roof garden.

- Insulation is provided with plates or expanded polystyrene, polyurethane

p a es, m nera woo , e c. over a app y a op ayer y ro nsu a on.

- The layer of protective anti-root - The vegetation develop root systems that

may aggress the layers of waterproofing.

- The layer of separation, storage and mechanical protection, which are to be

applied over the entire surface of the sealing element, hydroinsulation

protects against harms and mechanical action of its own weight from the top

of the layers.

Fig. no. 2: Green roof garden Stratification

- The layer drainage is important at the green roof system, in particular for ensuring meteoric water leakage.

- The layer of filtration is designed to prevent the passage of fine particles from soil layer prepared in drainage layer and

provide anchoring the roots.

- The substrate is medium in which plants derive their food and grow.

The layer of vegetation performs a similar function of the roof cooling, by transferring energy solar in atmosphere.

E L A B O R A T O R