BASF In­dia Ltd.: Mak­ing Wet Ar­eas Wa­ter­tight

Zo­heb Mistry, Prod­uct Man­ager – Water­proof­ing and Sus­tain­able Con­struc­tions, BASF In­dia Limited, of­fers so­lu­tions for en­sur­ing wa­ter­tight sys­tems in wet ar­eas in dry­wall con­struc­tion for high-rises.


Water­proof­ing wet ar­eas has al­ways been a chal­leng­ing task for the con­struc­tion in­dus­try. With the in­tro­duc­tion of the dry­wall con­cept, the con­struc­tion in­dus­try is un­der­go­ing a change of ma­te­ri­als be­ing used to con­struct these wet ar­eas. This has also cre­ated a need for re­li­able water­proof­ing sys­tems. Cur­rent prac­tices of water­proof­ing sys­tems were orig­i­nally de­signed for con­ven­tional brick/block ma­sonry walls. These water­proof­ing sys­tems do not serve their in­tended use in case of dry­wall pan­els. This ar­ti­cle aims to pro­vide an in­sight to sin­gu­lar com­po­nent water­proof­ing sys­tem, which, when cou­pled with the cor­rect ad­he­sive sys­tems, en­sures a leak-free bath­room.

With the chang­ing skyline, build­ings are be­com­ing more beau­ti­ful and mak­ing use of smarter ma­te­ri­als. In such build­ings, bath­rooms are not just an area to clean up, but are viewed as per­sonal spa­ces to get re­freshed and re­ju­ve­nated. This calls for use of dif­fer­ent build­ing ma­te­ri­als. Dry­wall pan­els are one such com­po­nent, which are grad­u­ally be­com­ing the ma­te­rial of choice in the con­struc­tion of bath­room walls.

Use of dry­wall pan­els is ad­van­ta­geous to de­vel­op­ers, but it is im­por­tant to en­sure the water tight­ness of these ar­eas and still ac­com­mo­date move­ment that would oc­cur in these pan­els. Also, re­pairs in such ar­eas can be a night­mare for own­ers as they can be ex­tremely costly, and a lengthy and a dis­rup­tive process. Hence, it is im­por­tant to use the cor­rect sys­tems to en­sure a de­fect-free and durable struc­ture.


Sin­gle com­po­nent, wa­ter­proof and flex­i­ble coat­ing, MasterSeal 561, from BASF Mas­ter Builder brand, can be the per­fect so­lu­tion for un­der ceramic cov­er­ings in show­ers and bath­rooms. Un­like tra­di­tional ce­men­ti­tious water­proof­ing sys­tems, MasterSeal 561 not only has higher elon­ga­tion prop­er­ties (to ac­com­mo­date move­ment at joints), but also al­lows the tiles to be laid di­rectly over it. The so­lu­tion saves time and cost for an over­lay for pro­tec­tion be­fore the tiling ac­tiv­ity com­mences.

MasterSeal 561 is the right fit for mois­ture sen­si­tive sub­strates like plas­ter, Gyp­sum blocks, fiber boards, and par­ti­cle boards. As the sys­tem is ready to use, it en­sures min­i­mal de­pen­dency on a worker for mix­ing of mul­ti­ple com­po­nents, and thereby, elim­i­nat­ing chances of er­ror dur­ing ap­pli­ca­tion.

Cou­pled with spe­cial water­proof­ing tapes such as PCI Pecitape for the joints and PCI Pecitape Gas­kets for the pipe pen­e­tra­tions and drain cut outs, the bath­room can be made com­pletely water tight.

For ap­pli­ca­tion over sen­si­tive sub­strates, such as dry­wall pan­els, it is ad­vis­able to adopt a holis­tic water­proof­ing ap­proach, which in­cludes tile ad­he­sive as well. The MasterSeal Wet Area sys­tems en­sure a de­fect-free, durable, water-tight struc­ture.

For fur­ther de­tails, please contact:

Phone: +91 22 6238 4008

E-mail: ravin­[email protected]

4. Ap­ply undi­luted MasterSeal 561 to the sub­strate as a first pro­tec­tive layer cov­er­ing the en­tire sur­face

3. Fix PCI Pecitape with MasterSeal 561 in cor­ner joints and floor/wall junc­tions

5. Ap­ply the sec­ond pro­tec­tive layer with MasterSeal 561 af­ter cure of the first layer

6. Use MasterTile se­ries for tiling over the ap­plied MasterSeal 561 layer. The tile ad­he­sive to be used would be de­ter­mined based on the tiles to be ap­plied to the sub­strate.

1. Primer ap­pli­ca­tion – MasterSeal 399

2. Place PCI Pecitape gas­ket over the pipe con­nec­tion

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