Thailand question: Drainage channel for terrace desired

By Submitted Message
Posted in Reader question
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October 31, 2023

Dear readers,

Every now and then it storms so hard here that my terrace is flooded in no time and the water then flows in through the ledges of the patio doors, usually at night. Like recently. I wake up in the morning with 3 cm of water in the living room! So it's time for measures.

I am looking for a company that can think along with me on how to prevent rainwater from flowing inside. A drainage gutter somewhere on the terrace, for example.

Can anyone please recommend a company to me? Pattaya/Jomtien area.

Thank you in advance.

Regards,

Maryse

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14 responses to “Thailand question: Drainage gutter for terrace desired”

  1. Rudolv says up

    You could have a gutter with a grille cut out for your patio doors.
    But that depends on the size of your terrace.
    For a large terrace, you will need a wide, deep drain, because a lot of rainwater falls on it.

    But why is there 3 cm of water inside?
    Is there also 3 cm of water on the terrace, or is the floor inside 3 cm lower than the terrace?
    If there is also 3 cm of water on the terrace, for example through a wall, you may be able to make a drain in it.

    But it's difficult to judge without knowing what it looks like.

    • Maryse says up

      Hi Rudolf, thanks for your thoughts. I should indeed have reported: the house (rental house, long term) was built incorrectly. The terrace (approximately 35 m2) slopes towards the interior rooms and these rooms also slope towards the outer wall. So yes, the water sneaks/runs towards the inside and remains stagnant there. Terrace dry and soaking wet inside. Only happens during very heavy thunderstorms, this was the second time in six years that I have lived here. But now I have a lot of damage. The first time I was there and was able to push away the rainwater with the tractor. But this second time everything happened at night…

      • Gerard SLanka. says up

        Dear Maryse.
        What I would do…. Rent another house…. Even if you lose money. No start.
        Now with the floor / terrace at least 10 cm. higher and sloping towards the road/street.
        Regards, Gerald.

  2. PEER says up

    Dear Maryse,
    Even though our roof is architecturally beautifully designed, we still had a corner in the roof where a small waterfall formed during heavy rainfall.
    Bought approximately 4 m rain gutter with pipe at Home Pro. Have a guy install that whole thing.
    And haven't had any problems since.

  3. joke shake says up

    I had gutters installed at the back of the house, a person who lived in Darkside has now moved, but these are his phone numbers: 091-4351530 and 098-3613166. Was done perfectly for me and not overly expensive.

    • Maryse says up

      Hi joskeshake and Peer, thanks, but a gutter is of no use to me in this matter (and I have one by the way). The problem is on the floor. The strong wind drives rainwater into the open terrace and that water then flows through the rooms.

  4. Henk says up

    It will indeed take some cutting and breaking, but there are slot or slot gutters for sale, which is a small concrete box of, for example, 15x15 cm and has a stainless steel lid on it that you can even drive over with your car. The water then becomes connected via the side to a sump or sewer. A contractor with a large Widia saw disc cuts the desired width like this. If I were you I would have this made over the entire width of the terrace and not just in front of the door, also the walls do not like to be in water for a long time and it may seep through the wall, leaving your entire house on a soggy surface... Good luck.
    https://bpkconcrete.com/grating_hot_dip_galvanized/

  5. Eric Kuypers says up

    Maryse, rental house you say. So whatever you want done to it, consult with the landlord in advance. If he says 'no' then you are out of luck and will have to move if necessary.

    If the landlord allows it, record this on paper and pay those costs because thunder, wind and rain are not the landlord's fault. Find a contractor and discuss various options. A gutter with a grate, or a threshold for those doors, there are probably more options.

  6. william-korat says up

    Construction error Maryse?

    Your terrace floor has the same height as your floor in the house, easy on the ground floor for the disabled, unfortunately some technical disadvantages.
    Grind the gutter inlets if possible, but you will still sometimes get water in.
    Creating a trench duct/floor duct or, in plain language, a trench duct/floor duct would be the easiest solution.
    Every serious construction worker should be able to do this.

  7. bennitpeter says up

    No idea if it will help, but seal the bottom of the door with a wide, solid rubber strip mounted on the bottom of the door? Is the simplest. Stop snakes and other animals immediately.

    • Piet says up

      This keeps a little water out, but does not solve the problem.

  8. Maryse says up

    Thank you all very much for the responses.
    And all the advice. But that doesn't help me much because I also know what needs to be done. I asked if anyone could help me find a good contractor, from my own experience. Unfortunately.

  9. Pipoot65 says up

    Dear Maryse.
    it's not that hard. Take a nice walk around the area until you see some workmen. Be bold and approach it. Would you like to bet that you will have a drain on your terrace within 5 days for perhaps 5000 baths? Take them a few cokes with ice and let's go. I can really get everything done here in half a day. Just step up to it. You have already made the step to Thailand. Now the step to the Thai itself. It works

  10. william-korat says up

    I had already responded a little earlier, but unfortunately I read over the fact that you are renting.
    Stay away before you get into trouble.
    If you approach Landford to ask whether you can solve this financially together [make a drainage ditch], he or she can also recommend a contractor.
    If not, learn to live with it or find another home.
    It won't rain significantly until next year, I hope for you
    So you have plenty of time.


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