Is it cheaper to repair or replace a flat roof?

Question

Our flat roof is about 20 years old and has a few problem areas. We've had a quote to repair it and one to replace it entirely. How do you decide which makes more financial sense?

Harry · Answer

It would would work out better to renew the roof because of its age otherwise you will be forever paying to repair it.

Florin · Answer

Given the roof's age and the extensive number of historical repairs already carried out, further patch repairs are unlikely to provide a reliable long-term solution. While localised repairs may temporarily address current defects, the existing waterproofing system is approaching the end of its service life and remains susceptible to future failures in other areas. For this reason, we believe a full overlay waterproofing system represents the most cost-effective long-term investment, providing a seamless waterproof membrane, reduced maintenance costs.

Bailey · Answer

Depends on the extent of the damage/leak, the roofer should inspect the roof, if there are tears on the felt it can be repaired however if the boards of the roof are damaged then it will most likely need a full replacement.

Sean · Answer

If you’re flat roof has been on for that long then it has probably reached the end of its life and should be replaced.Hope this helps 
Peter
Cordell Renovations

Izmir · Answer

It is cheaper to repair a flat roof for a short term period

Krzysztof · Answer

It depends on the condition of the roof because even 40-year-old roof structures are good and they just need to be properly repaired, which is not as expensive as replacing the entire roof.

Thomas · Answer

Hello, we’re all depends on how bad the damage is but yes, a repair is cheaper but sometimes not possible if you want I can come and have a look and give you some advice

Sonny · Answer

Hi depending on the existing material I’d say more than likely the roof is coming to the end of its life and would end up been repair after repair. This could end up been problematic and causing further damage internally which could become expensive. Stay away from fibreglass  if your going for a new roof your better off with PVC single ply membrane.

Stuart · Answer

Replacing it would make more financial sense because it's twenty years old and more issues could arrise when repairing it.

Nigel · Answer

Repairs are false economy if the roof is old needs replacing

Is it cheaper to repair or replace a flat roof?

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