Which damp-proof solution is good for roof leakage
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So our roof having cement based tiles set atop of surkhi is leaking (more like seepage than leaking) for a while. It's the gaps between the joints of the tiles which have widened over time and causing this. Some sika latex solution was applied last year but to no avail. I see heavy damp on the ceiling of the affected room after a session of rain.
I'm aware that there are damp proof solutions like Asian Paints, Dr Fixit etc. Question is, which one is actually effective and works as per the claim? Don't want to spend too much as this house will be sold in future.
PS: Please share if you have any personal experience with any product. Online reviews I can read myself
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I use DAMP PROOF from Asian paints
Mixture of cement and damp proof
I booked a consultation of them and the guy came today. Measured about 450 sq. ft. affected area. And their ultra and advanced are like 50 and 60 per sqft respectively. Well 25k is a bit too much for me to bear atm.
Damar from nearby nagar nigam
I have seen relatives using damp proof solutions from Asian Paints for their leaky roofs. And it never works after one heavy rainfall. Our roof is also turning damp even though we have built it only 6 years ago and the only cost effective solution I could convince myself is to put aluminum sheets on the roof and turn it into a hall of sorts and build a room or two which can be used for any functions in the future. Our relative did the same for their new home recently and it actually looks good.
I ll tell you after couple of hrs
First gaps have to be filled properly. Check if the cement tiles are okay or not. Otherwise it might need replacement. Sika latex solution application won't help unfortunately. You can fill the tiles joints with cementious Grout. And then you can opt to paint the roof Asian Paints Damp proof/ dr fixit roof seal. It's a temporary solution, need to be redone every 4-5 years
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If you are sure that previously they applied something in the past 2 or 3 seasons.. then either it was hastily done or the damage assessment was lacking in some way.
Not sure what surkhi means, but if bitumen/tar type composite sheets are laid OVER those substrate/tiles.. then maybe one can ignore the tiles and interior damage temporarily (till premises are sold or disposed).
For almost anything else.. the substrate and the slab will have to be assessed in-person and more work will have to be done (than just the water-proofing treatment on the surface).
Solutions from Pidilite, Asian Paints are all capable of doing what they claim.
However they never claim to make a dead horse sprint.