DB11∕T 1811-2020 廚房、廁浴間防水技術(shù)規(guī)程

號：

18112020Technical

specification

kitchen

and

bathroom

waterproof2020－12－25

發(fā)布 2021－04－01

實施北京市住房和城鄉(xiāng)建設(shè)委員會北京市市場監(jiān)督管理局

聯(lián)合發(fā)布Technical

specification

kitchen

and

bathroom

waterproof

號：

主編部門：北京城建科技促進會

04

2020

施工；

本規(guī)程由北京市住房和城鄉(xiāng)建設(shè)委員會和北京市市場監(jiān)督管理局共同負責(zé)管理，由

）。

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........................................................................................................... Addition:Explanation

provisions.........................................................................................

partition

unit

time

基本規(guī)定

）（

）（

4.1

一般規(guī)定 4.2

防水涂料

聚合物水泥防水漿料應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《聚合物水泥防水漿料》JC/T

），

4.3

防水卷材

JC/T

防潮材料 JC/T

聚合物水泥防水漿料應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《聚合物水泥防水漿料》JC/T

mmmL/min

輔助材料 JC/T

硅酮建筑密封膠》

JC/T

MPa

一般規(guī)定

5.2

防水基層

300mm

廚房、廁浴間的主排水坡度宜為

；地漏處排水坡度，以地漏邊緣向外80mm100mm

30mm20mm。找平層兼找坡層時，應(yīng)采用強度等級為

C20

的細石混凝土；需設(shè)填充層鋪設(shè)管

20mm

15mm 土反坎，反坎高出樓地面建筑完成面不應(yīng)小于

200mm?；炷练纯惨伺c樓板同時澆筑

）?！?00≥200

找平層宜使用水泥防水砂漿找平，厚度宜為

10mm20mm，抹平壓光，陰陽角

C15

60mm5.3

防水層 墻面上翻高度不應(yīng)低于樓、地面建筑完成面

300mm，衛(wèi)生間防水層沿立墻面上翻高度

1800mm

1200mm

mm 0.7mm1.3mm2.0mm

20mm

20mm

2mm5mm

套管應(yīng)采用帶止水環(huán)的套管，在套管周邊宜預(yù)留

20mm15mm

凹槽，凹槽內(nèi)應(yīng) 5.4

防潮層

1800mm

mm

5.5

裝配式整體衛(wèi)生間防水 樓地面防水層應(yīng)設(shè)置在具有排水坡度的基層上，整體防水應(yīng)按本規(guī)程第

防水底盤宜采用

SMC

防水盤、玻璃鋼防水盤、玻璃鋼鋁蜂窩復(fù)合防水底盤或亞JGJ/T

GB/T

40mm 10

0.4mm

30mm20mm

當(dāng)采用異層排水時，在管道穿樓板處應(yīng)采取設(shè)置止水環(huán)、橡膠密封圈等防滲水5.6

排水

細部構(gòu)造

500mm

200mm

并沿墻面上翻至室內(nèi)完成面不低于

300mm

）。≥200≥200≥200≥200

器、管道壓實，（

）。

12≥205≥20

5%

1

4

32

20mm

管道和套管周圍的混凝土表面應(yīng)留寬度為

10mm

15mm

）?！?0

5261

5%3 4

1313≥202

）。

10%

14

）。5

80-1005%

1

4

31%-3%62

100mm

）。降板區(qū) 非降板區(qū)1

2

3

4

5

≥100

15

）。

16≥150

150mm

）?！?50

17

6.1

一般規(guī)定

6.2

基層處理 在整體防水作業(yè)前，應(yīng)在管道根部、地漏及預(yù)埋件與基層交接部位預(yù)留

㎜×

50mm

6.3

防水涂料及漿料防水

18

防水涂料應(yīng)分層多遍涂刷或噴涂，前一道涂層干燥成膜后再施工下一道涂層，涂

雙組分或多組分防水涂料應(yīng)按配合比準(zhǔn)確計量，應(yīng)采用電動機具攪拌均勻，已配

涂膜間夾鋪胎體增強材料時，宜邊涂布邊鋪胎體；胎體應(yīng)鋪貼平整，排除氣泡，

1.0mm

防水層宜多遍涂覆成膜，涂刷時應(yīng)在前一道涂膜干燥后進行下一道涂膜施工，涂

19

對地漏、管根、陰陽角等易發(fā)生漏水的部位，應(yīng)進行密封或加強處理；宜設(shè)耐堿

防水層可采用機械化噴涂施工，采用刷涂施工時宜多遍涂刷。立面施工時，不應(yīng)

應(yīng)將液體組分倒入干凈的容器中，應(yīng)按產(chǎn)品說明書規(guī)定的比例邊攪拌邊緩慢倒入

3min5min

10min15min

涂刷第一遍防水層時，應(yīng)將漿料均勻交叉地涂刷或噴涂于處理好的基層上，不得

應(yīng)將丙烯酸防水涂料倒入一個容器中，加水稀釋并充分?jǐn)嚢?，用滾刷均勻地涂刷

在地漏、管根、陰陽角和出人口易發(fā)生漏水的薄弱部位，應(yīng)增加一層胎體增強材

300mm500mm

mm

206.4

聚乙烯丙綸復(fù)合防水卷材防水 施工環(huán)境溫度不宜低于

℃，低于

℃時，應(yīng)采取保溫措施；調(diào)整粘結(jié)料配合比

1.3mm 卷材長短邊的搭接寬度均不應(yīng)小于

100mm。相鄰兩幅卷材鋪貼時，兩短邊接縫

1/2

1/3

6.5

聚合物水泥防水砂漿防水

21

6.6

密封

裝配式整體衛(wèi)生間防水

20mm

22 墻面隔離層應(yīng)首先用膠條粘接固定在墻頂部，粘貼時應(yīng)平整無褶皺。隔離層下

30mm20mm

100mm 6.8

防水保護層

C20

23

質(zhì)量驗收7.1

一般規(guī)定

7.2

防水基層 24主控項目 一般項目

4mm

7.3

防水與密封 25 主控項目 檢驗方法：檢查出廠合格證、質(zhì)量檢驗報告、計量措施；成品防水材料現(xiàn)場抽樣 一般項目 防水基層應(yīng)牢固，基面應(yīng)干凈、平整，不得有空鼓、松動、起砂和脫皮現(xiàn)象， 26

涂料防水層應(yīng)與基層粘結(jié)牢固，表面平整、涂布均勻，不得有流淌、皺折、鼓

7.4

防水保護層 主控項目 一般項目 27

裝配式整體衛(wèi)生間防水主控項目

一般項目

287.6

排水 主控項目 29

n/2

n/2

JC/T

n/2

JC/T

JC/T

防水材料進場復(fù)驗項目

）每批從

）乳液類產(chǎn)品的抽樣數(shù)量同聚合物水泥防

n/2

JC/T

JC/T

JCT237731本規(guī)程用詞說明 執(zhí)行”。32引用標(biāo)準(zhǔn)名錄

JGJ/T

JC/T

JC/T JC/T JC/T JC/T JC/T

33北京市地方標(biāo)準(zhǔn)

specification

for

bathroom

waterproof

條文說明2020 北 京34《廚房、廁浴間防水技術(shù)規(guī)程》 經(jīng)北京市住房和城鄉(xiāng)建設(shè)委員會、北京市

35

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JS

反坎 整體衛(wèi)生間應(yīng)用技術(shù)標(biāo)準(zhǔn)》JGJ/T

保持一致性，另外，“整體”是指一個由有內(nèi)在37成（）”就是一些孤立的事物或元素通過某種方式改變原有的分散狀態(tài)集中

PVC

防水卷材這二種材料間不相容。PVC

PU

PU

38

、相對于室外，受大自然氣候的影響不大，溫度變化小，對材料的延伸率要求不

39

/%

/h

/h

/%

/(N/mm)

0.3MPa120min/%

/%

/%

4.1

一般規(guī)定 4.2

防水涂料 國家標(biāo)準(zhǔn)《聚氨酯防水涂料》

中單組分聚氨酯防水涂料

型的

/%

0.3MPa30min

/h

/h

/%

/%

/%

/%

/%

/%/%

SO/%/%

JC/T

JC/T

型聚合物乳液建筑防水

JC/T

41/%

/MPa

/%

/%

/%

/%

/%

/%

/%

/%

/%

/MPa

/MPa

/MPa

/MPa

0.3MPa30minMPa

環(huán)境下的防水工程。國家標(biāo)準(zhǔn)《聚合物水泥防水涂料》

中聚合物水泥

物含量限值標(biāo)準(zhǔn)》

，其他指標(biāo)取自國家標(biāo)準(zhǔn)《聚合物水泥防水涂料》

JC/T

中聚合物水泥防水漿料性能指標(biāo)見表

JC/T

中聚合物水泥防水漿料性能指標(biāo)42

/h

/mm

/MPa

/MPa

/MPa

/MPa

/%

/%

/N

0.3MPa30min/mm

/%

聚乙烯丙綸復(fù)合防水卷材應(yīng)采用原生聚乙烯和丙綸無紡布生產(chǎn)，芯材厚度≥0.5mm，卷材表面無紡布應(yīng)白色，芯層應(yīng)乳白色、半透明。施工宜選用

0.7mm

/min

/h

/MPa