Haverhill Roofers fits and repairs timber, fibre cement and composite exterior cladding on homes, extensions and outbuildings in Sible Hedingham and the surrounding area.
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Exterior cladding is fixed to the outer face of a wall to protect it from rain, frost and sun, and to change how the building looks. We work with timber boards, fibre cement panels and composite cladding on houses, extensions, dormers and outbuildings. Each material has a different maintenance requirement, and understanding that from the start is what keeps cladding looking good and performing well for years.
A well-fitted cladding job will perform well without much intervention, but it does not look after itself entirely. The maintenance tasks that matter most are straightforward and can be done by most homeowners without a contractor. Doing them consistently is what separates cladding that lasts twenty years from cladding that starts to fail after five.
Timber cladding needs to be cleaned and re-coated on a cycle that suits the product used. Most exterior timber stains and paints are designed to last three to five years in normal conditions, but south-facing and exposed elevations tend to need attention sooner. Waiting until the coating has fully failed and the wood has gone grey means the surface needs more preparation before the next coat goes on and the timber has already started to absorb moisture more freely.
The process for maintaining timber cladding is:
Recoating before the old coat fails completely is the key habit. It costs less than stripping back to bare timber and applying multiple build-up coats, and it keeps the water out consistently rather than leaving gaps in protection.
Fibre cement does not rot and holds its shape well, but algae and green mould growth is a common problem on north-facing elevations and in shaded spots. This is not a structural issue, but it looks poor and if left long enough the organic growth can hold moisture against the board surface, which accelerates surface degradation.
Wash fibre cement boards annually with a diluted fungicidal cleaner - a garden pump sprayer and a soft brush is usually enough. Do not use a pressure washer at high pressure directly on fibre cement: it can drive water into joints and expose raw board edges if the surface coating is at all compromised.
Check painted fibre cement for flaking or chalking on south-facing elevations every two to three years. Repainting with a masonry paint or purpose-made board paint restores the look and maintains the factory surface. If you see raw edge at any joint or cut end, seal it with a compatible exterior filler or edge sealant - exposed edges on fibre cement absorb moisture and can swell or crack over time.
Composite cladding needs the least attention of the three materials. The main task is keeping it clean, particularly in spots where leaf debris or dirt collects in the grooves of profiled boards. A brush and warm water once a year is usually all that is required.
Check fixings and trim pieces annually. Composite boards can expand and contract with temperature changes, and if boards were fixed too tightly at installation they can buckle slightly in summer heat. If you notice a board starting to bow, it is worth having a contractor look at the fixing method before the problem gets worse.
The single most common cause of premature cladding failure is water running down the face of the boards from a blocked gutter or a cracked downpipe. Cladding is designed to deal with rain hitting it, not with a continuous stream of water directed at it from above. Blocked gutters in autumn are the usual culprit.
Clear gutters at least once a year after leaf fall. Check downpipe joints for dribble marks on the cladding below - if you see a stain or a patch of algae running down from a pipe joint, the joint needs resealing or the pipe needs replacing. These are cheap fixes compared to replacing boards that have been saturated repeatedly over a few winters.
Where cladding meets a window frame, a soffit, an external corner trim or a roof verge, there is a junction. These junctions are where water finds its way in if the seal fails. Check them visually each year. Signs of a failing junction include cracked or missing silicone, rust staining from a fixing pulling through, or a board that has pulled slightly away from its trim.
Silicone sealant at junctions typically lasts seven to ten years before it starts to crack or separate. When it does, rake it out cleanly and apply fresh exterior-grade sealant. Do not apply new sealant over old - it will not bond properly to the old surface and will fail sooner.
Annual cleaning and checking is well within what a homeowner can do safely from the ground or a ladder. However, if you spot a board that has pulled away from the wall, a corner trim that has separated, or any sign of damp on the inside of the wall that lines up with an area of cladding, those are jobs for a contractor. Structural fixing failures, damp ingress and badly failed flashings need to be looked at and addressed properly, not patched temporarily.
Routine cladding maintenance - cleaning and checking - costs nothing if you do it yourself. A contractor-applied repaint of a timber-clad elevation typically costs £200 to £600 depending on area and surface condition. Replacing failed silicone at junctions on a standard extension is usually a minor call-out job. The cost of neglect is far higher: replacing boards that have rotted through because of a blocked gutter typically costs £300 to £900 or more depending on how far the damage has spread.
From our base in Haverhill we cover Sible Hedingham along with Halstead, Braintree and surrounding villages. If your cladding needs a proper inspection or a repair before a small problem becomes a bigger one, call us to arrange a survey and we will give you a straight assessment of what is needed.
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Call any time. Calls are answered day and night and passed straight to our roofers.
