恩熙致力于屋面墻體維護(hù)系統(tǒng)的開發(fā)和應(yīng)用。根據(jù)不同的氣候區(qū)域,不同建筑構(gòu)造的建筑對(duì)于保溫隔熱、防水防潮的不同需求,提出不同的應(yīng)用方案。著力提高建筑維護(hù)系統(tǒng)的使用壽命和保溫隔熱的有效性,降低能耗。公司的產(chǎn)品和方案已經(jīng)在國(guó)內(nèi)數(shù)百個(gè)項(xiàng)目中得到廣泛應(yīng)用,為包括諸多500強(qiáng)公司在內(nèi)的客戶提供了優(yōu)良的產(chǎn)品和服務(wù)。
水泥屋面的傳統(tǒng)防水做法是在一道SBS防水卷材上加水泥砂漿抹平保護(hù)層。一般在使用8-10年之后,由于水泥砂漿層經(jīng)過環(huán)境氣候影響,逐漸老化開裂脫落,失去對(duì)防水層的保護(hù)作用。防水層隨之出現(xiàn)開裂,造成屋面漏水。

水泥屋面的防水維修具有一定的復(fù)雜性,目前市面上主要的維修施工方案主要包括:
一是重修屋面。需要清除原有屋面的防水和保溫層,再重做屋面系統(tǒng)。該方案實(shí)施時(shí)間長(zhǎng),清除和重做屋面造價(jià)高,而且對(duì)維修庫(kù)的日常工作會(huì)造成影響。
二是在原有屋面上使用傳統(tǒng)瀝青基防水卷材外加水泥保護(hù)層。方案的主要問題是會(huì)較大增加整個(gè)屋頂?shù)呢?fù)載。按照水泥平均密度2500公斤每立方米計(jì)算,40mm厚度的水泥屋面每平米保護(hù)層增加的重量約100公斤(國(guó)家規(guī)范屋面承重為350-500公斤每平米),整個(gè)屋面增加的重量的超過700噸。這可能會(huì)使這整個(gè)建筑的使用壽命和安全受到一定的影響。
三是在原有屋面上加高耐候性TPO防水卷材。TPO防水卷材具有強(qiáng)度較高、耐候性較好、外用使用壽命長(zhǎng)等優(yōu)點(diǎn)。但同時(shí)TPO通常采用機(jī)械規(guī)定方法,對(duì)基面的強(qiáng)度要求較高。存在施工較為復(fù)雜,整體造價(jià)較高以及搭接邊焊接密封性。
ECOOL高耐侯性自粘隔熱防水卷材的優(yōu)點(diǎn)是超強(qiáng)耐候性,粘接力較好,施工簡(jiǎn)便快速。經(jīng)過ECOOL改造后的屋面使用可以達(dá)到25年以上,后期維護(hù)成本低,并目可以有效降低夏季屋面的溫度,達(dá)到節(jié)能減排的目的。
施工步驟:
一、屋面構(gòu)造類型
二、維修及加固
三、清潔除灰
四、涂刷基層處理劑
五、節(jié)點(diǎn)附加層處理
六、屋面大面施工
七、節(jié)點(diǎn)加強(qiáng)層施工
八、檢查驗(yàn)收
一、屋面構(gòu)造類型
水泥屋面廣泛應(yīng)用于各類工業(yè)與民用建筑中,包括糧食倉(cāng)庫(kù)屋頂,?水泥屋面可塑性強(qiáng),能適應(yīng)復(fù)雜造型,?水泥材料成本較低,施工技術(shù)成熟,整體造價(jià)經(jīng)濟(jì)。但長(zhǎng)期維護(hù)成本可能因滲水或裂縫修復(fù)而增加,防水保溫材料的品質(zhì)和施工工藝的優(yōu)劣直接影響屋面使用壽命。?
ECOOL易庫(kù)高耐候隔熱防水卷材應(yīng)用于屋面水泥防水隔熱工程,可以有效解決老舊水泥房屋的防水防潮問題。

二、維修及加固
要求屋面基層堅(jiān)實(shí)、平整并沒有破損,根據(jù)現(xiàn)場(chǎng)情況選擇措施。

三、清潔除灰
采用打掃、吹風(fēng)、吸塵等方式除去屋面雜物和浮灰。

四、涂刷基層處理劑
根據(jù)屋面不同材質(zhì)選擇相應(yīng)的基層處理劑,水泥屋面采用聚氨酯防水涂料;帶頁(yè)巖片的卷材屋面采用JS聚合物水泥防水涂料。

五、節(jié)點(diǎn)附加層處理
采用丁基鋁箔膠帶做附加層,形狀復(fù)雜部位需要采用防水涂料+聚酯布先做一層附加層。

六、屋面大面施工
先鋪貼天溝、檐溝的卷材。

然后鋪貼屋面大面的卷材。平屋面鋪貼方向宜按屋面尺寸及原有卷材的方向確定。鋪設(shè)卷材需執(zhí)行由低至高的原則,避免空鋪。卷材搭接寬度長(zhǎng)邊不低于8厘米,短邊不低于10厘米,接縫要順?biāo)罱印?/p>

七、節(jié)點(diǎn)加強(qiáng)層施工
對(duì)屋面上的女兒墻、山墻、伸縮縫,設(shè)備基座和出屋面管道等部位鋪貼柔性的高耐候性泛水卷材,延伸密封到大面卷材上,完成整體屋面的密封覆蓋。在圓弧、轉(zhuǎn)折面部位使用高耐候可延伸密封膠帶與大面卷材密封。

八、檢查驗(yàn)收
1.屋面卷材不允許有破損,破損處都要補(bǔ)貼;短邊接頭是逆流方向的需沿接縫補(bǔ)蓋一層;長(zhǎng)邊接頭朝上的需沿接縫補(bǔ)蓋一層;卷材鋪貼時(shí)如有褶皺,就容易形成進(jìn)水通道,此處需打補(bǔ)丁封住進(jìn)水口;
2.屋面卷材空鋪較嚴(yán)重的需要?jiǎng)濋_卷材,將卷材粘貼到位,再將破損處補(bǔ)蓋一層;
3.檢查卷材搭接邊,發(fā)現(xiàn)搭接邊較窄會(huì)影響粘接效果時(shí),需用泛水膠帶進(jìn)行補(bǔ)粘;
4.檐口處卷材不允許存在任何縫隙,重點(diǎn)檢查泛水板陰角和檐口卷材的接縫,有問題的都需用泛水卷材補(bǔ)蓋一層;
5.在雨后或持續(xù)淋水2小時(shí)后進(jìn)行檢查屋面有無(wú)滲漏、積水現(xiàn)象,以及排水系統(tǒng)是否暢通。
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