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用茶渣製香?室內設計中環保物料的利與弊

7月6日
讀畢需時 2 分鐘

已更新:9月26日

最近理工大學學生用草本茶廢料做咗個香薰系列,引起咗我哋呢行嘅興趣。其實將廚房垃圾變成設計元素,聽落好正,但實際用起嚟有冇伏位?呢篇文從物料科學同空間心理學角度,客觀分析呢類環保物料的優缺點,幫你喺追求可持續設計嗰陣避開常見謬誤。

Incense made from tea-based waste among projects by Hong Kong Polytechnic University — CLAY Interior Design
CLAY Interior Design — Incense made from tea-based waste among projects by Hong Kong Polytechnic University

先講優點:點解值得試?

回收茶渣製香,最直接係減少 landfill 負擔。而且天然香氣溫和,唔似化學香薰咁刺鼻。對於講究風水嘅香港家居,呢類有機物料仲可以提升空間嘅「氣」——但前提係處理得宜。

實際伏位:唔係咁簡單

點樣用得聰明?

最穩陣嘅做法係將呢類香當作「點綴」,唔係主體。例如放喺玄關或冥想角落,用陶瓷或木器承托,既可以平衡濕氣,又可以突出手工感。記住:環保物料係要襯托空間,唔係倒過來令空間變得亂糟糟。

如果你正面對類似的設計兩難,歡迎與我們聊聊你的想法。

Incense made from tea-based waste among projects by Hong Kong Polytechnic University — 靈感參考圖片 1
Image source: 設計部落格 — Incense made from tea-based waste among projects by Hong Kong Polytechnic University
Incense made from tea-based waste among projects by Hong Kong Polytechnic University — 靈感參考圖片 2
Image source: 設計部落格 — Incense made from tea-based waste among projects by Hong Kong Polytechnic University
Incense made from tea-based waste among projects by Hong Kong Polytechnic University — 靈感參考圖片 3
Image source: 設計部落格 — Incense made from tea-based waste among projects by Hong Kong Polytechnic University
Incense made from tea-based waste among projects by Hong Kong Polytechnic University — 靈感參考圖片 4
Image source: 設計部落格 — Incense made from tea-based waste among projects by Hong Kong Polytechnic University
Incense made from tea-based waste among projects by Hong Kong Polytechnic University — 靈感參考圖片 5
Image source: 設計部落格 — Incense made from tea-based waste among projects by Hong Kong Polytechnic University

靈感來源:設計部落格 — Incense made from tea-based waste among projects by Hong Kong Polytechnic University by Dezeen staff

環保室內設計:驗證比選料更關鍵

「環保室內設計」最易踩嘅坑,係將「天然」等同「低污染」。天然物料一樣會釋放甲醛同 VOC:大豆膠、澱粉膠本身來得天然,但如果固化唔完全,板材一樣持續釋氣。落單前要問供應商攞檢測報告,睇清楚甲醛釋放等級——E1 係每立方米 0.124 毫克嘅上限,E0 同日本 F☆☆☆☆ 明顯更嚴;油漆就睇 VOC 含量,唔好只信包裝上嗰塊綠葉。

認證要分清楚佢管咩。FSC 只證明木材來源合法同可持續,唔管室內空氣;GREENGUARD Gold 針對低排放,主要睇 VOC;Cradle to Cradle 則評估物料循環同回收路徑。同一塊板可以有三張證書,但冇一張會話你知佢喺香港嘅回南天會唔會發霉。所以睇證書之外,仲要問批次、問測試年份,因為配方一改,數據就未必對得上。

再落一層係生命週期。竹長得快,但壓成板材要用膠;軟木每九年可以採一次樹皮,硬度卻唔夠,放重物會壓凹;菌絲體板材可分解,但本身吸水,香港夏天相對濕度長期七、八成,黴菌風險高過外國示範單位。有時最環保嘅選擇,係一件用十五年唔換嘅實木,而唔係每三年要換一次嘅可降解材料——碳足跡要攤開成個使用期嚟計,唔係睇佢分解得幾快。

成本邏輯亦要講清楚:環保物料嘅溢價,好多時來自認證費用同小批量供應,唔一定等於質素高。同級物料,環保版本通常貴一截,差距視乎供應鏈成熟度,所以更加要諗維修同更換:地板、牆板如果係模組式安裝,壞一件換一件,唔使拆全幅,長遠嘅物料浪費反而少。把環保當成規格問題——壽命、防火等級、防潮、保養週期——會比當成道德立場實際得多。

 
 
 

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