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天台綠化系統 | 物料 | 工程記錄

天台綠化 (屋頂綠化/平台綠化) - 可有助提升城市景觀、改善市容、減低市區熱島效應,改良空氣質素;亦可提升天台防水及隔熱設備的功能,延長相關設備的壽命,故對節約能源同樣有幫助;更可促進生物多樣化、改善和美化環境,達致更佳環保效益。

在天台進行綠化,選取合適的植物品種非常重要,需考慮植物的特性和適應能力、季節的影響、保養是否容易,以及經濟效益等。公共屋的綠化天台所採用的植物種類,大致可分為三類,包括草皮、景天屬植物,以及小灌木和地被植物組合。

屋頂綠化面積會受到個別建築物的屋宇和通訊設備多寡影響而佔整個屋頂的10%至80%不等。綠化屋頂的單位成本亦同樣地會因應設計、物料規格、工地情況等因素而有所改變,一般而言為每平方呎75至190元不等(結構工程成本除外)。

綠化工作範圍會以切合屋頂的用途及設計而制定,通常涉及設置花槽、種植花草樹木、和相關的防水(如發現滲漏)、灌溉及排水系統工程等。透過現場裝嵌的天台組件,天面可在破壞最少的情況下得以復原,同時達致防水及隔熱效果,並可隨即可進行綠化種植。

[環保教育和社區參與項目] 於『環境及自然保育基金』內列為獲批准計劃。 而本公司重點推行之【天台綠化】亦為環保基金委員會批核最多的環保教育項目之一。



 


 

 

Extensive Green-roof System

A green roof is a roof of a building that is partially or completely covered with vegetation and soil, or a growing medium, planted over a waterproofing structure.

There are two types of green roofs: intensive roofs, which are thicker and can support a wider variety of plants but are heavier and require more maintenance, and extensive roofs, which are covered in a light layer of vegetation and are lighter than an intensive green roof.

  Slim-Green System
 

Green roofs serve several purposes for a building, such as absorbing rainwater, providing insulation, creating a habitat for wildlife, and helping to lower urban air temperatures and combat the heat island effect.

Slim-green system is a simplicity version of intensive green; aiming as lightweight, low installation and recurrent costs. The minimum thickness measuring from bottom of planter to finished level (including turf layer) is 100mm.

 
       
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