How Much Does Roof Repair Cost?
The roof repair costs in this article are correct as of 2021
The old saying is that you should fix the roof when the sun is shining, but whatever the weather is doing, if you need to repair your roof, the time to do it is now. Missing tiles or damaged flashing can allow water into your roof space, causing lasting damage and long-term problems. The average roof repair cost in Singapore varies depending on the issue, so we’ve broken down roof repair costs into familiar categories to get a good idea of what a roof repair price will typically be.
Common Roof Repairs
Our roofs deal with a lot – strong winds, driving rains, falling trees and growing moss – so it’s no surprise that they can need various repairs when things go wrong.
Missing tiles or shingles: High winds can cause individual tiles to come loose. Whether they’ve just shifted, left a gap, or come off entirely, they can penetrate through the roof and into your loft and attic, causing damage.
Loose flashing: The lead flashing at the end of our roofs, which seals the edge where chimneys and dormer windows meet the top, keeps water out, but if it has blown loose or been damaged, it can fail and let the water come in.
Sagging roof: If the roof’s entire structure is weakened, either because the roof timbers cannot support the weight of the tiles or there is an underlying structural issue with the home, then the entire roof can have to be replaced.
Tile replacement costs
You might have a missing or damaged roof tile letting in water in the most specific instances. If this is the case, it can cost around S$200 for a roofer to replace a handful of cement, clay or slate tiles, and can be done relatively quickly, typically in a few hours. Fixing a tiled roof will help fend off any leaks from slipped roof tiles. The cost of replacing roof felt under tiles will be included in the overall tiled roof repair costs.
Flat roof repairs
For flat roof repair options, simple patch repairs for flat roofs such as those on garages or extensions can cost a few hundred pounds. However, given flat roof repair costs, it can sometimes make sense to replace the entire roof. Essential felt solutions cost around S$50 per square metre for the material itself, and more high-end materials such as modern GRP (a form of fibreglass) go up to S$90 per square metre. Labour costs may then cost around S$150 to S$250 per worker. Generally, we would expect a flat roof replacement for a typical garage to cost from S$1,000 upwards.
Flashing repair costs
Lead flashing on your roof helps protect the edge of your roof, where tiles meet brickwork such as your chimney or any skylights. If this becomes damaged, it can cause similar problems to miss tiles, allowing rain into your property. Fixing damaged flashing should cost an equivalent amount to missing tiles – a roof flashing repair costs to replace a metre or so of flashing will cost between S$100 and S$250.
Leak repair costs
Leaks are typically either the result of missing tiles or damaged flashing, so the pricing of these fixes will depend on the nature of the leak.
Sagging roof repairs costs
Some homes can develop a sag, where the ridge bows in the middle below the height at the gable ends. This can happen for different reasons; for example, if the roof tiles were replaced with a heavier alternative that has slowly weighed down the timber frame supporting the roof. Sagging roof repair costs can vary – if extra weight is the problem, additional joists or rafters can be added to shore up the additional weight, which can cost between S$1,000 and S$2,000 depending on how many are needed. Sometimes, a roof can sag because it has become waterlogged, and the internal structure is irreparably damaged. If this is the case, the entire roof will need to be replaced, which can cost anywhere from S$5,000 to S$12,000, depending on the size of the property.
Labour costs
Roofers generally charge in accordance with the type of job they’re doing rather than the time it will take – if it’s a simple repair, replacing elements like flashing or constructing a completely new roof. For more details on roofer costs, take a look at our dedicated roofing price page.
What makes a roof repair more expensive?
If the damage to your roof is particularly widespread, for example, if a tree has landed on your roof and a large section needs to be replaced, the job will be a lot more expensive than
if it’s just replacing a few tiles. Especially if a roofer needs to erect scaffolding to allow proper access, the repair costs can stretch to several thousand pounds.
If the roof project takes a few days, then a temporary cover can be erected to cover the property so the roofers can work on the roof without having to worry about the weather. This will be an additional cost on top of the scaffolding
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