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 Flat Concrete Roof Leaking, Need advise/solution

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skng03
post Apr 19 2011, 08:08 PM

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resin injection/ pressure grouting not permanent solution,

try this :
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cheap solution whistling.gif

skng03
post Apr 20 2011, 09:49 PM

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QUOTE(dvinez @ Apr 20 2011, 01:41 PM)
[attachmentid=2167878]

it look like this
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add spout pipe then.... whistling.gif whistling.gif

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skng03
post Apr 24 2011, 11:08 PM

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QUOTE(Jo_da48 @ Apr 24 2011, 10:14 PM)
It already 2 inch high from the concreate. and I could see the water sign stop way before hints the white spot after he add the additonal glue thing (like a gums)...
He will not do till if the rain hit again and leaking sign find sad.gif
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that isn't proper water proofing, the proper way is apply to all flat roof and min 150mm up turn skirting with min 2 coats


sample pic of water proofing to balcony using SIKA product
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skng03
post Apr 30 2011, 11:24 AM

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QUOTE(Jo_da48 @ Apr 30 2011, 09:43 AM)
Good question. Maybe I sure claim up to see again...

Also, I nothing anyone could have bricks and concrete done together, as concrete need to be dry before bricks could be there, rights? Or maybe I interprete wrongly?
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what bishop mean is the up stand kerb shall be Reinforced Concrete cast together with the slab, not bricks

This post has been edited by skng03: Apr 30 2011, 11:25 AM
skng03
post Jul 22 2011, 07:02 PM

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u should ask them to apply the vertical side at least 150mm height nod.gif
skng03
post Feb 18 2012, 01:43 PM

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QUOTE(sn4 @ Feb 18 2012, 09:46 AM)
for flat roof leaking why dont u try PU Grouting smile.gif

most of the leaking on construction project using this method smile.gif, ..i'm not a supplier by the way.

http://www.patentroofing.com.sg/PU_grouting.htm
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just use this method to settle the swimming pool leaking problem nod.gif
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QUOTE(Jo_da48 @ Feb 18 2012, 11:09 AM)
that so many way or suggest,just that which is realiable or need redo after few years???
If I have choice I will use Roof tiles instead of Concreate roof sad.gif
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solve/ stop the water with grouting first lar, it may come back later but u have no choice now... tongue.gif


skng03
post Feb 20 2012, 07:02 PM

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QUOTE(noien @ Feb 20 2012, 11:04 AM)
my house flat concrete roof leak after 4 months.i will try to ask the contractor to use the pu grouting.just hope it can be solve once and for all.concrete roof is sure a pain in the s
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most of the flat roof leakage at house extension will occur at the cold joint with the existing structure, due to minor settlement of the new structure built by the reno contractor, without proper footing/ foundation...

 

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