Is your roof leaking in South Holland? Causes, solutions and when to call Global Bouw
- Viktoria Altman

- Jul 9
- 3 min read

What's that landed on my nose? Water. If you live in South Holland, it's no surprise that rain and storms are regular occurrences. When you suddenly notice that something is wrong with your home's roof, it is important to act quickly. The sooner the problem is addressed, the better it is for both home comfort and the condition of your home.
This guide will give you insight into recognizing roof leaks, the possible causes and solutions, and when it's wise to call a specialist.
1. How do you recognize a roof leak?
A leaking roof is not always immediately visible, but there are several signs that may indicate an incipient or existing leak. Some signs you can look out for are:
Damp spots on the ceiling or walls
Flaking paint or wallpaper
Mold growth in corners of rooms
A musty smell, especially in poorly ventilated rooms such as attics
When it rains, you can sometimes hear a soft dripping sound, even though you cannot immediately see where it is coming from
With flat roofs, you often notice leaks by discoloration of the ceiling directly under the roof. With pitched tile roofs, the problem usually manifests itself in the form of damp spots in the attic or in the insulation layer.
2. Why is your roof leaking?
In South Holland, roof leaks are common due to a number of recurring problems. One major cause is outdated roofing materials. Over time, materials such as roof tiles and bitumen lose their watertightness. Roof tiles can shift or crack due to weather, and bitumen on flat roofs dries out and develops small cracks that allow rainwater to enter.
Poor connections around roof details also often contribute to leaks. Consider connections at chimneys, skylights or ventilation pipes where lead or other sealing material has been used. When these seals become loose or damaged, weak spots occur, allowing water to enter.
In addition, clogged gutters can cause problems. Leaves, branches and debris block the drain, allowing rainwater to remain on the roof and seep in through seams and cracks. Storm damage also plays a major role. In South Holland, strong winds and heavy rain sometimes cause roof tiles to come loose or roofing materials to be damaged. Moreover, lack of maintenance puts small problems at risk of going unnoticed and eventually growing into serious leaks.
Solutions
3. Repairing yourself: when is that possible?
You can sometimes fix minor leaks yourself. Consider the following:
Sealing small cracks in bitumen with a special roof repair sealant
Re-attaching loose roof tiles
Regular cleaning of gutters to prevent blockages
Temporarily sealing minor damage around skylights, chimneys and ventilation pipes with sealants
Always pay attention to your safety when making independent repairs. Working on the roof involves risks and it is important that you know what you are doing.
4. When is it better to call a professional?
For some leaks that keep recurring or result in visible damage to the roof or structure, it is wise to call in a specialist. With the right knowledge and tools, a professional roofer can accurately identify the cause of the leak and thoroughly repair it. This is especially recommended for storm damage, rotten woodwork or complex roof structures. A major advantage of hiring a professional is that they often provide a warranty on both the work done and the materials used. In addition, professionals can give you preventive advice to avoid future leaks.
5. Go for Global Construction
Are you unsure about the severity of the problem? Small leaks can quickly worsen and eventually lead to high costs. Global Construction is your reliable partner in this situation. We have been in the construction business for more than a decade and know the trade inside out. Our craftsmen deliver high quality work with attention to every detail, ensuring that no more water comes through your roof. We work with the latest techniques and materials to extend the life of your roof. In doing so, we put your needs first and take your budget into account.
Do you urgently need a roof repair? Then contact us immediately. We will immediately look for an appropriate solution and tackle the problem thoroughly. With Global Bouw, your roof is in good hands!





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