Roof felt replacement cost

Question

The felt on our garage roof has started to split and leak in a couple of places. How much should we expect to pay to have it stripped and felted again by someone good?

Liam · Accepted Answer

Depends on how big the shed is and if you want just normal shed felt feel free to call for a free quote

Craig · Answer

To strip off a garage flat roof and replace light for like without changing any damage boards, three layers sealed in  bitumen is a roundabout £1500

Dean · Answer

The cost will depend on the size of the garage roof and whether the existing timber decking underneath is still sound. If the boards are in good condition, a complete strip and replacement with a high-quality 3-layer torch-on felt system is usually the most cost-effective long-term solution. If the decking has become rotten due to the leaks, it should be replaced at the same time to ensure the new roof performs as it should. As a general guide, most single garage roofs are in the region of £1,000–£2,000, depending on size and any additional repairs required. I would always recommend getting the roof inspected properly first so you only pay for the work that’s genuinely needed. A professionally installed system should give many years of reliable service.

Lauryn · Answer

On average you’re looking at around £60-£100 per sqm
This it to strip the existing felt and dispose of it properly, install a high performance built up layered system finished with a mineral cap sheet. If the deck boards are water damaged this would increase the price slightly to replace them. Hope this helps

Martin · Answer

Roof felt replacement cost

The cost to replace a felt flat roof will depend on the size of the garage, the condition of the timber deck underneath, access, and the type of felt system being installed.

For a typical garage roof, you could expect prices in the region of £800–£2,000 for a professional strip and refelt, depending on the size and specification.

A proper replacement would usually include:

- Removing and disposing of the old felt.
- Inspecting the roof deck and replacing any rotten timber if required.
- Installing a quality felt system (often a modern 3-layer torch-on system).
- Renewing trims, edges and details where necessary.
- Ensuring all joints and penetrations are properly sealed.

If the existing roof is only showing minor damage, repairs may be possible, but once felt has started splitting and allowing water ingress, a full replacement is often the better long-term solution.

It is worth getting a few quotes and checking that the contractor is including preparation work and not just applying a new layer over failing materials.

Ian · Answer

There are better alternatives for flat roof’s  nowadays Like fibreglass and rubber

Daniel · Answer

For a typical single garage, stripping the old felt and re-felting the roof is usually somewhere between £800 and £1,500, depending on the size of the roof, the type of felt being used and whether any of the timber deck needs replacing.

If the decking underneath is still sound, it’ll be towards the lower end of that range. If there are rotten boards or damaged timber that need replacing, the cost will be higher.

It’s worth getting a couple of quotes and checking that they include removing and disposing of the old felt, replacing any damaged decking if needed, and fitting a good quality three-layer felt system rather than just patching over the existing roof.

Brandon · Answer

A single garage is around £2.5k if the boards need replacing also underneath you could expect to be in £5k region

Kyle · Answer

Depends on the size of your garage I usually charge around £2500-3000 for re boarding and new felt

Josh · Answer

Depending on how big the roof shed is i could say, between £500/1000

Roof felt replacement cost

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