Flat Roof Replacement in Hampshire

Signs Your Flat Roof Needs Replacing

Flat roofs have a shorter lifespan than pitched roofs and need more attention. Here are the signs that replacement may be the best option:

• Ponding water — Water sitting on the surface after rain indicates poor drainage or surface failure.
• Multiple leak points — When water finds its way in at several locations, patching becomes ineffective.
• Blistering or bubbling — Trapped moisture expanding in heat, causing delamination.
• Cracks and splits — The surface has become brittle and is failing.
• Lifting at edges and joints — Key failure points that let water track underneath.
• Visible decay or soft spots — The substrate below may be damaged and need replacing.

Some flat roof problems can be repaired, but if issues keep returning, replacement is often more cost-effective long-term.

Why Replace Rather Than Repair?

If your flat roof is old or showing multiple problems, replacement offers significant advantages:

• End the repair cycle — No more call-outs every time it rains heavily.
• Long-term protection — Modern systems come with 20-25 year guarantees.
• Better thermal performance — Add insulation to meet current standards.
• Improved drainage — Proper falls can be incorporated to prevent ponding.
• Superior materials — Today's systems significantly outperform older felt coverings.

Flat Roof Systems We Install

We work with proven flat roof systems, each with their own benefits:

• EPDM Rubber — Single-piece membrane, extremely durable, 25+ year lifespan. Ideal for most domestic flat roofs.
• Fibreglass (GRP) — Seamless, rigid finish. Great for roofs that are walked on or used as balconies.
• Single Ply — Modern membrane system offering excellent durability and weather resistance with proven long-term performance.
• Liquid Plastics — Seamless liquid-applied waterproofing that adapts to any roof shape, ideal for complex details and repairs.
• High-performance felt — Torch-applied systems, cost-effective for suitable applications.

We'll recommend the right system based on your roof's size, usage, and budget.

Our Replacement Process

1. Thorough inspection — We check the substrate, drainage, and surrounding details.
2. System recommendation — We explain which system suits your roof and why.
3. Substrate assessment — If the boards below are damaged, we replace them.
4. Insulation upgrade — We can add or improve insulation in conjunction with updated building regulations.
5. New covering installation — Careful, manufacturer-approved application.
6. Perimeter and detailing — Proper finishing at all edges, upstands, and penetrations.
7. Quality check — Final inspection and water test where appropriate.

Guarantees and Aftercare

Your new flat roof comes with:

• Manufacturer's material guarantee (typically 20-25 years)
• Our workmanship guarantee
• Written documentation of the work completed
• Aftercare advice for maintaining your new roof