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A mason working on a rooftop
Seasonal guides

Monsoon home checklist: 7 jobs to do before the rains

Roof outlets, waterproofing, tanks, wiring, wood, pests and damp walls: what to check before the monsoon, and who to call for each.

Rooftop outlets and terrace cracks cause most monsoon leaks.
In this guide 4 sections
  1. Start before the first heavy rain
  2. Seven jobs to do before the rains
  3. Specialists for your pre-monsoon check
  4. Monsoon prep FAQ

Start before the first heavy rain

Monsoon damage in the Valley usually starts small: a blocked roof outlet, a hairline crack on the terrace, a junction box that lets water in. Each is a quick job in the dry weeks before the rain, and an expensive one after a storm.

These seven checks cover what goes wrong most often. You can do some yourself; for the rest, book a specialist early, because everyone else will be calling in Asar.

Seven jobs to do before the rains

  1. Mason working on a rooftop

    Clear roof outlets and gutters

    Leaves, plastic and dust block terrace outlets over winter. Clear them, pour a bucket of water through, and make sure it runs away from the walls.

    Who
    You, or a labourer
    Time
    Under an hour
  2. Check terrace and roof waterproofing

    Look for cracks, lifted tiles and dark patches on the ceiling below. Small cracks can be sealed; wide ones need a mason before the rain arrives.

    Who
    Mason
    Book
    2–3 weeks ahead
    Masonry services
  3. Plumber at work

    Clean the water tank and service the pump

    Silt gets into supply lines during the monsoon. A clean tank and a working float valve stop dirty water and dry taps.

    Typical cost
    Rs 1,500 – 2,500
    Who
    Plumber
    Plumbing prices
  4. Electrician checking wiring

    Test earthing and outdoor wiring

    Wet walls and loose outdoor connections are a shock risk. Have an electrician check the earthing, junction boxes and any outdoor sockets.

    Who
    Electrician
  5. Carpenter at work

    Protect wooden doors and frames

    Doors swell and stick in the humidity. Plane anything already tight and seal exposed wood before it soaks up moisture.

    Who
    Carpenter
  6. Pest control service

    Pest-proof before insects move in

    Damp brings termites, cockroaches and mosquitoes indoors. Treat drains and wood early; it is cheaper than treating an infestation.

    Who
    Pest control
  7. Painter at work

    Treat damp-prone walls

    If a wall showed damp last year, it will again. A waterproof primer or damp treatment before repainting saves doing the job twice.

    Who
    Painter

A blocked roof drain costs very little to clear in the dry season. After a storm, the same drain can mean a damp ceiling and a repaint.

Najik coordination desk, Kathmandu
Book early

Specialists for your pre-monsoon check

Common questions

Monsoon prep FAQ

When should I book pre-monsoon repairs?

Two to three weeks before the rains is ideal. Masons and waterproofing specialists get booked up quickly once the first storms arrive.

Can one visit cover several of these checks?

Often, yes. Describe everything you want looked at when you contact us and the coordinator will plan who needs to visit and in what order.

Tell us the job

Book your pre-monsoon check

Three fields. We call you back — usually within two hours, 7am to 8pm.

No account, no app. Your number is used to call you about this job and nothing else.

Written by
Najik Editorial Team
Service coordinators, Kathmandu

Written by the coordinators who take your calls and match you with vetted specialists across Chandragiri Municipality, Kathmandu. We write down what we hear every day, so you can make good decisions before anyone arrives at your door.

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