7 Long-Term Benefits of Replacing Old Felt Roofing

Introduction

Felt roofing has been a staple of flat roof construction for decades, especially on garages, extensions, sheds and porches. However, like all roofing materials, felt has a limited lifespan. If your felt roof is showing signs of wear—blisters, cracking, water pooling or leaks—it may be time to consider a replacement.

At LJ Roofing Pewsham, we regularly help homeowners across Pewsham and the wider Wiltshire area upgrade their aging felt roofs. A new roofing system doesn’t just fix existing problems—it brings a host of long-term benefits that can protect your property, reduce future costs, and improve performance for years to come.

Improved Weatherproofing

Old felt roofs are prone to water ingress as the material deteriorates. Over time, cracks, punctures and gaps can form, allowing moisture to seep through and damage the underlying structure.

Replacing your felt roofing ensures a fresh, sealed layer that can withstand rain, snow, wind and frost.

Key benefits:

  • Prevents water leaks and damp issues
  • Protects the roof deck and internal structure
  • Reduces the risk of rot, mould and decay

Modern felt or alternative materials also offer better UV resistance, protecting the surface from sun damage over time.

Enhanced Thermal Performance

Older roofing felt often lacks proper insulation and contributes to heat loss, especially during colder months. By replacing your roof, you can integrate improved thermal layers that help regulate indoor temperatures more effectively.

Thermal advantages:

  • Keeps warmth in during winter
  • Helps prevent overheating in summer
  • Supports more energy-efficient homes

Better insulation not only improves comfort but may also help reduce energy use and reliance on heating systems.

Increased Property Value and Appeal

A well-maintained roof adds visual and structural value to your home. Replacing an old, patchy roof with a neat, modern system gives your property a cleaner, more attractive appearance—something potential buyers and surveyors will certainly notice.

How this helps:

  • Enhances kerb appeal
  • Demonstrates good maintenance history
  • Makes the property more marketable

At LJ Roofing Pewsham, we ensure every project is finished to a high standard, contributing to a positive first impression and long-lasting quality.

Reduced Maintenance Needs

Worn felt roofs often require frequent patching, re-sealing or temporary repairs—none of which provide a long-term solution. A new roof eliminates these repeated issues, saving you both time and money on maintenance.

Fewer issues to worry about:

  • No more recurring leaks
  • Fewer emergency repair calls
  • Longer intervals between inspections

New installations are also less susceptible to the common problems of older materials like bubbling, cracking and joint separation.

Improved Drainage and Flat Roof Design

Many old felt roofs were constructed without proper falls or drainage systems, leading to pooling water that weakens the surface over time. A professional roof replacement offers the chance to correct these flaws.

Improvements include:

  • Better water runoff via built-in gradients
  • Integration of new drainage outlets
  • Prevention of water pooling and structural sagging

This not only extends the life of the roof but also reduces weight and stress on supporting structures.

Opportunity to Upgrade Materials

Replacing old felt doesn’t have to mean installing the same system again. Today’s roofing market offers a variety of advanced materials, such as high-performance felt systems, EPDM rubber, or fibreglass (GRP), all of which offer improved durability and longevity.

Modern options offer:

  • Extended lifespans (up to 30+ years)
  • Greater flexibility and resistance to movement
  • Enhanced fire, impact and weather resistance

Our team at LJ Roofing Pewsham can guide you in selecting the most suitable solution for your property and budget.

Peace of Mind for Years to Come

Perhaps the most underrated benefit of all is the peace of mind that comes with knowing your roof is secure. No more anxiously watching weather forecasts, checking for new leaks, or paying for short-term fixes.

With a new roof, you’ll enjoy:

  • Greater confidence in your home’s protection
  • Long-term reliability through all seasons
  • Support from trusted professionals who understand your needs

When installed by experienced roofers, a new flat roof becomes a worry-free feature of your home rather than a constant concern.

Conclusion

Replacing an old felt roof is more than just a fix—it’s an investment in your property’s future. From protecting your home against the elements to improving energy performance and reducing upkeep, the long-term advantages far outweigh the initial inconvenience.

At LJ Roofing Pewsham, we take pride in helping homeowners across Wiltshire make smart, lasting improvements to their homes. If your felt roof is nearing the end of its life, now is the perfect time to explore a replacement that delivers performance, reliability and peace of mind for years to come. Contact us today to schedule an expert consultation and let us help you protect your property the right way.

Call us on: 01249 911 071
Click here to find out more about LJ Roofing Pewsham
Click here to complete our contact form and see how we can help with your roofing needs.

This is a photo of a flat roof which has just been repaired, there is also a chimney stack and some leadwork has also been dressed. Works carried out by LJ Roofing Pewsham

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