Our services

We’ve got roofing services for all your needs.

 

Choose a your roofing service below and lets get you scheduled in.

What we cover

 

No matter the type of roof or time of year, you can rely on our team of trusted professionals to deliver quality workmanship with minimal disruption.

 

 

  • Asphalt Roofs
  • Chimney Repairs
  • Felt Roofs
  • Fibreglass roof
  • Flat Roofs
  • Garage Roofs
  • Guttering & Downpipes
  • Lead Roofs
  • Lead Work
  • Leaking Roofs – All Types
  • New Roofs & Re-Roofs
  • Pitched Roofs
  • Pointing
  • Porch Roofs
  • Roof Flashing
  • Roof Lights
  • Roof Repairs
  • Roof Window Repairs
  • Roof Window Installs
  • Roofing Carpentry
  • Roof Inspections & Reports
  • Roof Insulation
  • Shed Roofs
  • Single ply rubber roof
  • Slate & Tiled Roofs
  • Soffits, Fascias & Cladding
  • Valleys & Gullies

What Causes Roof Leaks?

Roof leaks are one of the most common—and frustrating—issues homeowners face. They can lead to serious water damage, structural problems, and costly repairs if not addressed quickly. Understanding the root causes of roof leaks can help you spot early warning signs and take preventive action.

Here are some of the most common causes of roof leaks:

Broken or Missing Tiles/Slates

Strong winds, heavy rain, and general wear and tear can crack or dislodge tiles and slates, exposing the underlay and roof structure to water.

Damaged Flashing

 
Flashing is the metal or rubber seal installed around chimneys, vents, skylights, and roof edges. If it cracks, rusts, or becomes loose, water can easily seep through these vulnerable areas.

Blocked Gutters

When gutters are clogged with leaves, moss, or debris, water can’t drain properly. This overflow can back up onto the roof and seep under the tiles or into the fascia boards, eventually causing leaks.

Cracked or Aged Roofing Felt

Roofing felt (the underlay beneath tiles or slates) acts as a second layer of protection. Over time, it can crack, tear, or degrade, especially if exposed to moisture or UV rays, allowing water to penetrate. 

Poor Roof Installation

 A roof that hasn’t been installed correctly—whether due to subpar workmanship or cutting corners—can lead to problems like misaligned tiles, improper sealing, and water pooling, all of which contribute to leaks. 

Skylight or Vent Issues Improper installation or aging of skylights, roof windows, and vents can lead to gaps or cracks around the edges, where water can easily get in.

Condensation or Poor Ventilation

inadequate ventilation in the attic or roof space can cause moisture to build up inside, which can mimic a roof leak. Over time, this can also damage insulation, rafters, and ceilings.

Flat Roof Drainage Problems


Flat roofs are especially prone to leaks due to water pooling. If the slope is incorrect or drainage is blocked, water can find its way through small cracks or seams in the roofing material.

 

Chimney Wear and Tear

Chimneys are often overlooked, but cracked mortar, broken flashing, or deteriorated brickwork can all allow water to seep into the home.

 

 

Aging Roof

 Most roofs have a lifespan of 20–30 years, depending on the material. As roofs age, the materials break down and become less effective at keeping water out.

 

 

 

How to Prevent Roof Leaks:

 

 

  • Schedule regular roof inspections—especially after storms
  • Keep gutters clean and clear
  • Replace damaged tiles or flashing promptly
  • Ensure proper attic ventilation
  • Hire qualified professionals for roof installations and repairs

If you’re experiencing signs of a leak—like water stains on your ceiling, damp patches, or visible damage on your roof—don’t ignore it. The sooner it’s fixed, the less it will cost in the long run.

For expert roof leak detection and repairs in Leinster, contact Over the Top Roofing Experts today. We’re here to help you protect your home from the top down.