Flat roof repair by Vanguard Roofing Services

Flat Roof Repairs in Hampshire, Wiltshire & Berkshire

Specialist flat roof repairs for EPDM, GRP fibreglass, felt and single ply systems. Free inspections, lasting repairs, written guarantees.

0118 408 0811
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Roofing Repairs Fix leaks, tiles & damage
Roofing Services Re-roofs, new roofs & more
Roofline Services Gutters, fascias & soffits
Building Services Porches, car ports & lofts

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50+ Years Experience
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Expert Flat Roof Repair Services

A leaking flat roof rarely improves on its own. Left unchecked, even a small amount of water ingress can cause timber decay, damp patches, mould growth and damage to ceilings and insulation. The sooner the issue is identified and dealt with properly, the less it will cost you in the long run.

Flat roofs require specialist knowledge that differs significantly from pitched roof work. We are experienced flat roof repair experts covering Hampshire, Wiltshire and Berkshire. Every job starts with a free, no-obligation inspection so you know exactly what needs doing.

Flat roof repair by Vanguard Roofing Services

Flat Roof Repair Services

We work with all common flat roofing systems and carry the appropriate materials for each.

EPDM Rubber Repairs

Targeted repairs using manufacturer-approved primers, adhesives and membrane patches. Seam resealing, edge trim repairs, puncture repairs and full replacement.

GRP Fibreglass Repairs

Crack and split repairs, re-coating, joint and trim repairs, upstand details. We use compatible fibreglass resins for lasting results.

Felt Roof Repairs

Patch repairs, lap and seam repairs, edge work and full re-covering using modern torch-on techniques and high-performance modified bitumen felts.

Single Ply Repairs

Hot-air welding of TPO, PVC and PIB membranes. Seam repairs, perimeter details, penetration sealing and membrane patch repairs.

Full Replacement

When repair is no longer cost-effective, we install new flat roofing systems with proper insulation, falls and drainage. Guaranteed for up to 20 years.

Leak Detection

Accurate leak tracing to find the exact source. We fix the cause, not just the symptom, so the problem does not come back.

Signs Your Flat Roof Needs Attention

Flat roof problems are not always obvious from inside. By the time you notice damp, water may have been tracking for some time.

Visible Signs

  • Blistering, cracking or splitting on the roof surface
  • Ponding water that does not drain after rainfall
  • Lifted, curling or detached edges and trims
  • Vegetation or moss growth on the roof surface
  • Blocked or overflowing outlets and gutters
  • Visible damage around penetrations or upstands

From Inside

  • Damp patches or staining on ceilings or walls
  • Musty or damp smell in the room beneath
  • Peeling paint or bubbling plaster on ceilings
  • Mould growth on walls or window reveals
  • Water dripping during or after rainfall

If you have noticed any of these signs, it is worth having the roof inspected sooner rather than later. Early intervention almost always means a simpler, less expensive repair. Get a free inspection.

Flat Roof Repair FAQs

Costs vary depending on the roofing material, the size of the repair and access requirements. A localised patch repair on a small area is relatively affordable, while a full flat roof replacement will be a larger investment. We provide free inspections and written quotes with no hidden costs. Call 0118 408 0811 for a free assessment.

A repair is usually the right option when the overall membrane is in good condition and the damage is localised. Replacement is the better investment when the covering has reached the end of its lifespan, there are multiple areas of failure, or the decking beneath has been compromised by prolonged water ingress. We will always give you an honest recommendation.

Most flat roof repairs can be completed within a single day. A full flat roof replacement typically takes two to three days depending on the size and complexity. We always provide a clear timeline before starting work.

EPDM rubber and GRP fibreglass are the most popular options for domestic properties. Both offer excellent durability and long lifespans when installed correctly. For larger or commercial properties, single ply membranes such as TPO or PVC are often the best choice. We can advise on the most suitable material for your specific situation.

Yes, all our flat roof repair work is backed by a written workmanship guarantee. Full replacements typically carry guarantees of 15 to 20 years depending on the system used. We also carry full public liability insurance as standard.

Most flat roof repair materials require dry conditions for proper adhesion, so we generally schedule work around the weather. However, for emergency situations where a flat roof is actively leaking, we can carry out temporary weatherproofing to protect your property until a permanent repair can be completed.

What Our Customers Say

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