Roof Windows & Skylights

1. Leaks Around Frame

• Water enters around edges
• Usually caused by failed flashing or poor installation

2. Seal Failure (Double/Triple Glazing)

• Glass units lose their seal
• Causes condensation inside glass and foggy appearance

3. Cracked or Broken Glass

• Impact damage (debris, hail)
• Thermal stress can also cause cracks

4. Flashing Damage

• Metal flashing around the unit can lift, crack, or corrode
• Major cause of leaks

5. Frame Deterioration

• Timber frames can rot
• uPVC or metal frames can warp or degrade

6. Condensation Issues

• Poor ventilation leads to moisture buildup
• Can cause mould

7. Opening Mechanism Failure

• Hinges, handles, or motors can wear out
• Window may not open/close properly

8. UV & Weather Damage

• Long-term exposure can weaken seals and materials

minor Repairs

• Reseal edges
• Clear debris around unit
• Adjust hinges or locks

moderate Repairs

• Replace flashing kits
• Replace glass unit (if seal failed)
• Repair frame sections
• Fix opening mechanisms

major Repairs

• Replace entire window/skylight
• Repair surrounding roof structure
• Fix major leaks and water damage

When Replacement Is Needed

• Persistent leaks
• Failed glazing (foggy glass)
• Old or inefficient unit
• Renovation or loft conversion

Installation Steps

1. 1

   Plan Opening

   • Choose size and position
   • Ensure structural support
2. 2

   Cut Roof Opening

   • Remove tiles or roofing material
   • Create opening in roof structure
3. 3

   Install Frame

   • Fit window/skylight frame securely
   • Ensure level and correct alignment
4. 4

   Add Flashing System

   • Install flashing kit around unit
   • Ensures waterproof seal
5. 5

   Refit Roofing Material

   • Replace tiles/slates around window
   • Integrate with roof
6. 6

   Insulate & Finish Inside

   • Add insulation around frame
   • Finish interior (plasterboard, trim)