WATERPROOFING - EXTERNAL WALLS OF BUILDINGS

In this article, the various ways of external waterproofing are explained and the solution for external waterproofing is given. Water discharge or additional unconditionally wet ingress in buildings results in damp, uncomfortable internal environments; deterioration of internal finishes (including mould growth); unpleasant damp areas on wall and ceiling surfaces and multiplied concentrations of harmful pollutants moving occupant's health. The exclusion of wet from buildings is thus not solely fascinating however conjointly AN utmost concern to the residents of the buildings.

Water seepage through external walls
In Mumbai, because of a significant downfall, water flowing through external walls is found to be a standard defect faced by the householders.

In general, watercourse through external walls at intervals the primary 5 years of building completion. the matter is additionally combined by Mumbai's high wetness and copious downfall. the current of airspeeds intimate with high rise buildings additionally increases the chance of water oozing. Building envelopes should, therefore, be adequately designed and made to stop the ingress of water.


General reasons for water seepage through external walls:

1.Joints and cracks in the walls
2.Absorption and permeation of the materials
3.Construction joints in the walls
4.Penetrating dampness
5.Rising dampness due to capillary action
6.Poor construction practices
7.Honeycomb structures in concrete or plaster.
8.Separation gaps

Waterproofing Systems & Materials

Water tightness of external walls is typically achieved by providing adequate wall thickness, correct coming up with at construction joints and surface rendering and finishes that function barrier against water ingress. Generally, no consideration is paid towards significant regions like partition holes, honeycomb zones, sodden verification courses at the platform level, etc. This results in serious leakages through external walls and damages to high-priced internal paints & finishing.

Significance of external wall coating

Use of SUNANDA Polyalk WP and SUNANDA Polyfill AR.

SUNANDA, Polyalk WP waterproofing coating can be applied on all types of exterior concrete surfaces.

Features and Benefits of POLYALK WP :

Confirms to I.S. 101
Tested as per DIN 1048 for permeability
High flexural strength and extraordinary adhesion
Alkaline and compatible with concrete
Prevents carbonation
Can be used as a base waterproofing coat
Features and Benefits of POLYFILL AR :

Crack filler for plasters, IPS, cement sand screeds, and non-structural cracks
No need to OPEN the crack - due to auto suction property of POLYFILL AR
4 best simple steps to waterproofing external wall

About SUNANDA -

Today, SUNANDA is the main development synthetic substances organization in India to have an ISO 9001:2015 accreditation for innovative work, therefore we have the interesting capacity to tailor-make explicit frameworks for more current issues that happen nearby.
Out of all of the production chemical compounds businesses in India, we've received the best award in India for the beyond three years 'Innovator of the Year Award 2012, 2013, and 2015' instituted via way of means of FICCI & Department of Chemicals, Govt. of India withinside the presence of Shri. Narendra Modi, Prime Minister of India.
In the month of March, we have won the award for best waterproofing material producer from Expert Choice.


By: Sunanda global

https://www.sunandaglobal.com/article_details/waterproofing-external-walls-of-buildings

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Article Tags: waterproofing material , waterproofing compound , plaster waterproofing ,

Submitted On Feb 08, 2021. Viewed 48 times.

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