Broken terracotta roof tile

5 Common reasons for a leaky tiled roof

5 Common reasons for a leaky tiled roof.

1. Broken roof tiles
Broken roof tiles are probably the most common cause of having a leaky tiled roof. A majority of the time roof tiles are broken due to foot traffic, usually when other tradesmen have been up on the roof. or they are broken due to storm damage. these would be the most common causes of breakage.

Broken terracotta roof tile

Broken terracotta roof tile

 

2. Leaking Lead flashing:

Lead flashing are the covers that go around either a TV antennae or a vent pipe that is sticking out of your roof tiles. Some common causes for a leaking lead flashing are: The lead flashing has not enough under lap beneath the roof tile above, or the lead flashing has broken down and cracked due to age wear and tear causing a hole for the rain water to enter the ceiling space.

lead flashing beneath vent pipe

lead flashing beneath vent pipe

 

3. Valley mortar falling out.

When valley mortar falls out it can cause a lot of problems.  The reason this can cause many problems is because any rain water that is traveling down the valley tray hits the dislodged mortar which is then diverted into your roof space causing water staining to your plaster ceiling.  This can even cause some ceilings collapse due to the weight of the rain water that has been diverted into the ceiling space.

Dislodged valley mortar

Dislodged valley mortar

 

4. Dislodged capping tiles.

There are a number of reasons capping tiles can be dislodged.  The most common cause is when the mortar beneath the capping tiles becomes so old that it eventually breaks down causing the tile to slide straight of and sit onto the main bodied roof tiles.  This leave the roof exposed and allows the rain water to go straight into the ceiling space during a down pour. Another very common reason is storm damage causing the capping tiles to blow straight off and land on the ground, or worse, onto other roof tiles, breaking them into pieces.

Dislodged capping tile.

Dislodged capping tile.

 

5. Blocked gutters
blocked gutters generally cause a lot of damage to eave sheets as they cause the rain water to back up and flow into the eave lining.

Blocked guttering causing the rain water to back up.

Blocked guttering causing the rain water to back up.

contact H&R Roofing Services

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