5 Common Reasons Why Your Roof is Leaking

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A small leak in your roof can be frustrating. As small as it may seem now, don’t leave it as one of those jobs you’ll get round to as it may develop into something much bigger,  more expensive and difficult to solve.

You shouldn’t need to worry every time you hear the wind start to pick up or hear the sound of rain on your windows. If you get on top of it when you first spot it, then you can prevent the problem from getting worse further down the line. 

Even in hotter countries such as Spain where rain and cold isn’t such a problem, your roof can be be damaged by the moisture thats builds in the air where hot days are followed by temperature drops at night. Quick blasts of heavy downpours and strong winds also have an effect. It’s something you can keep an eye on yourself, or you can arrange for a professional to come and investigate it for you. 

These are the most common reasons for problems with your roof. 


Stormy weather can blow debris like leaves and twigs from nearby trees onto your roof, which can lodge there over time and trap the water, as it cant flow naturally down off the roof. Make sure you safely take a look at your roof after a rainy or stormy night to check that it’s clear of anything that can stop water running off freely.


This follows on from the above, as leaves and debris can also fall into your gutters and get trapped there too which over time, stops the water from flowing through, so it builds up and creates a stagnant puddle of water, eroding your guttering and seeping through small cracks. You might not be able to see the leaves sticking out of the gutter so may not notice it straight away but if its raining, you’ll soon know there’s something wrong if water isn’t running off your roof.


All roofing materials will naturally wear and erode with age which means they will become less effective at keeping water out. Bad weather and changes from hot to cold can cause them to crack. As much as rain and wind can wear down certain materials on a roof, direct and daily sunlight over a long period of time can melt the seals that hold roofing tiles together. It’s worth checking your roof after the change in the seasons to make sure everything is safe and secure and there aren’t any nasty surprises that need fixing and that could get worse in the winter months. 

Missing tiles

Strong winds can rip tiles or shingles from your roofing, especially if its in an area that’s more exposed to the elements. You might not notice any problems if its in a part thats less easier to spot, so again, it’s worth looking at after a storm or particularly rainy spell to put your mind at rest. 

Roof Vents

Every roof has vent pipes to expel the moisture that builds up in the home and to help ventilate the home. A tight rubber seal is placed around the vent and secured with gaskets. Weather exposure and time can cause these seals to crack and deteriorate, or nails can be dislodged. A closer inspection may reveal missing nails or gaps in the seals allowing water to seep through. 

If you don’t feel comfortable about carrying out any investigations yourself then its always better and safer to get a professional in. They will know exactly what to look for and can also put your mind at rest as they’ll spot a problem that you may not think is that important. 

Humedad Control are experts in roof construction and have experience in all of these areas that could be causing a problem with your roofing. 

Once an assessment has been made, they will be able to talk you through the steps and recommend the best way to tackle the problem that will fit your budget.