A leaking flat roof can quickly turn from a minor inconvenience into a major problem if left unchecked. Whether your property has a PVC membrane roof or a GRP fibreglass roof, acting quickly can help minimise damage and reduce repair costs. If you’ve noticed water dripping from your ceiling, damp patches on walls, or signs of moisture in your loft space, here are the steps you should take.
1. Contain the Leak
The first priority is to prevent further damage inside your property. Place buckets, towels, or containers beneath the leak to catch any water. If water is pooling on a ceiling, carefully puncturing the centre of the bulge can allow the water to drain in a controlled manner, helping to prevent a larger ceiling collapse.
Move valuable items, furniture, and electrical equipment away from the affected area if possible.
2. Identify the Source
Flat roof leaks are not always directly above the area where water is visible indoors. Water can travel beneath the roof covering before finding its way into your property. Common causes of leaks include:
- Damaged flashing around roof edges
- Cracks or splits in ageing roofing materials
- Poorly sealed joints
- Blocked gutters and drainage outlets
- Storm or wind damage
If it is safe to do so, inspect the roof from ground level and look for obvious signs of damage. Avoid climbing onto the roof yourself, especially during wet or windy conditions.
3. Minimise Further Water Damage
If rain is expected, temporary measures such as waterproof sheeting may help reduce water ingress until repairs can be carried out. However, temporary fixes should never replace a professional inspection and repair.
Even a small leak can lead to significant problems, including timber rot, mould growth, insulation damage, and structural deterioration.
4. Contact a Flat Roofing Specialist
The most effective solution is to have your roof inspected by an experienced flat roofing company. Professional roofers can accurately diagnose the cause of the leak and recommend the most suitable repair.
For PVC membrane roofs, repairs may involve heat-welded patching or replacing damaged sections. GRP fibreglass roofs can often be repaired by sanding back the affected area and applying new fibreglass matting and resin to restore a watertight seal.
5. Consider a Long-Term Solution
If your flat roof is showing signs of age or repeated leaks, it may be more cost-effective to invest in a replacement rather than ongoing repairs. Modern PVC membrane and GRP fibreglass roofing systems offer excellent durability, weather resistance, and long-term performance.
Need Flat Roof Repairs in Westbury?
If your flat roof is leaking, don’t wait for the problem to worsen. Our Westbury-based flat roofing specialists provide expert inspections, repairs, and installations for PVC membrane and GRP fibreglass roofs. Contact us today for professional advice and a free quotation.