Rotting fascias, cracked soffits and blocked gutters are among the most common reasons Norwich homeowners end up with damp inside their properties - and the early warning signs are easy to miss if you don't know what to look for.
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The fascias, soffits and guttering running around the edge of your roof do a job that most people only notice when something goes wrong. Fascias are the boards fixed directly behind your gutters, carrying their weight and sealing the bottom edge of your roof. Soffits sit beneath them, closing off the gap between the fascia and your exterior wall. Together, they stop water, wind and wildlife getting into the roof space. When they fail, the consequences can be expensive.
Gutters channel rainwater away from your walls and foundations. A blocked or leaking gutter run can saturate a wall in a matter of weeks, especially during prolonged wet spells. Damp patches appearing on interior walls or ceilings are a frequent result - and by the time you see them, water has usually been sitting somewhere it shouldn't for a while.
We replace uPVC and timber fascias, soffits and full guttering runs for homeowners in Norwich and the surrounding area, working from Poringland. Old materials are taken away and downpipes are left properly aligned before we leave.
This is the most useful thing to understand before you pick up the phone. The visible sign and the actual cause are often different, and knowing which is which helps you have a more informed conversation with any roofer.
If your fascias are painted timber and the paint is lifting, blistering or peeling in patches, moisture has got into the wood. This usually means the back of the board has been wet - often because the gutter above it has been overflowing or leaking at a joint. The paint failure is the symptom. The rot underneath is the problem. A coat of fresh paint will not fix it; the board needs to come off and be replaced.
Gutters sag when the fascia board behind them has softened with rot and can no longer hold the bracket fixings securely. A sagging gutter will not drain properly - water pools at the low point, the weight increases, and the sag gets worse. Left alone, the gutter eventually pulls away from the fascia entirely, which can bring sections of soffit down with it.
A vertical streak of green algae or a dark damp patch running down a rendered or brick wall directly below a gutter joint is almost always a leaking gutter. The joints on uPVC guttering are sealed with rubber gaskets that harden and shrink over time. Once a gasket fails, water runs down the outside of the wall rather than along the gutter to the downpipe. The fix is straightforward - the joint is cleaned, a new gasket or sealant is fitted, and if the bracket has pulled away from the fascia, that is addressed at the same time.
Moss, grass and even small plants growing out of a gutter mean the channel has been blocked long enough for debris to accumulate and seeds to germinate. A blocked gutter cannot drain, so water backs up and spills over the inner edge - the edge closest to your fascia and wall. This is one of the most common routes for water to get behind the fascia board and into the roof timbers. Clearing the blockage is only part of the fix; the fascia behind it needs to be inspected too.
If you can see daylight through gaps where the soffit meets the fascia or where sections have pulled apart, that gap is open to birds, squirrels and bats, as well as to wind-driven rain. Starlings in particular are quick to exploit a gap in the soffit line. Once wildlife is nesting in your roof space, you have a separate problem to deal with before any repair work can begin.
uPVC does not rot, but it does degrade with age and UV exposure. Old uPVC fascias and soffits go brittle, crack at the corners and lose their colour, turning from white to yellow or grey. Cracked uPVC lets water track behind the board and into the wall cavity. If the boards on your property are chalky to the touch or have visible cracks, they are past their serviceable life regardless of how the guttering is performing.
Downpipes have joints at intervals. If water is escaping at one of these joints rather than running out at the bottom, the joint collar has failed or the pipe has been knocked out of alignment. This is less damaging than a leaking gutter but still worth fixing promptly, as the water will track down the wall behind the pipe.
Understanding why things go wrong helps you judge the urgency and choose the right replacement material.
Traditional timber rooflines rot because water gets in - through a failed paint finish, a leaking gutter, or simply because the wood was never properly back-primed before it was fitted. Once rot takes hold, it spreads along the grain. The board may look intact from twenty feet away and be structurally useless behind the paint. Timber also provides a route for insects into the roof space if the wood is decaying.
The other problem with painted timber is maintenance. It needs repainting on a regular cycle - every few years for most exposures - and many homeowners simply do not do it. Once the cycle is broken, rot follows.
uPVC systems fitted from the 1980s onwards were a significant improvement on painted timber in terms of maintenance, but the material has a finite life. Expansion and contraction cycles over many years stress the joints. Bracket fixings corrode. The foam trim used to close gaps between old uPVC and brickwork deteriorates and falls out. None of these failures are dramatic - they just allow water to find its way in gradually.
The rubber gaskets inside uPVC gutter joints typically last fifteen to twenty-five years before they harden and no longer form a watertight seal. The joints most likely to fail first are those that face south or south-west, as the gaskets are exposed to the most UV and the greatest temperature range through the year.
A downpipe that is blocked, usually by compacted leaf and moss debris, causes the gutter above it to overflow at the lowest point in the run. Homeowners often have the gutters cleared without realising the blockage is in the pipe below. If your gutters overflow in heavy rain even after clearing, check the downpipe first.
Prices vary depending on the size of the property, how many metres of guttering are involved, whether scaffolding is needed and which material you choose. These are honest typical ranges for a straightforward replacement on a semi-detached or detached house.
These figures assume standard white or light-coloured uPVC. Coloured or sculptured profile systems cost more. Timber replacement, where a customer specifically wants to retain a period appearance, costs more still and requires ongoing maintenance. Scaffolding, when it is needed, is usually charged separately and can add £200 to £600 depending on the scaffold required.
A full fascia, soffit and gutter replacement is not simply a case of fixing new boards over the old ones. Old materials need to come off first so the rafter feet and wall plate beneath can be inspected. Rotten rafter feet are a common finding and need to be cut back and sistered with new timber before any new board goes on. If a roofer skips this step, they are covering up a structural problem.
New uPVC fascias are fixed to the rafter feet with stainless or galvanised fixings that will not corrode. Soffits slot into a channel on the back of the fascia and are supported by a batten fixed to the wall. Ventilated soffits, which have a series of small holes or a continuous vent strip, allow air to circulate through the roof space, reducing the risk of condensation building up on the underside of the roof deck. Most modern installations use ventilated soffits as standard.
New guttering is fixed to the fascia on brackets spaced closely enough to prevent sagging - typically no more than one metre apart for standard half-round or square-profile systems. Falls are set so water drains consistently toward the downpipes, without any low points that collect standing water. Downpipes are clipped to the wall at regular intervals and discharge either into a gully, a soakaway or a rainwater butt.
Whether you are asking us or anyone else, these are the questions that separate a proper job from a superficial one.
Any roofer who cannot answer these clearly is worth approaching with caution.
If you have noticed any of the warning signs described above - staining on walls, sagging gutters, peeling fascia paint or gaps in your soffits - call us to arrange a roof survey so we can tell you exactly what needs doing and what it will cost.
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Call any time. Calls are answered day and night and passed straight to our roofers.
