Getting cladding installed on your Stalham property is only half the job - how you look after it determines how long it performs.
Exterior cladding is often sold as a low-maintenance option, and compared to bare render or painted timber walls, it genuinely is. But low maintenance is not no maintenance. Cladding that is never checked or cleaned gradually accumulates problems - blocked drainage, failed sealant, algae growth and loose fixings - that turn into expensive repairs if left long enough.
Cladding systems that stay clean and well-sealed handle wet weather well. Those that don't can start failing in ways that aren't obvious until water has already been getting in for months.
Before you know what to watch for, it helps to understand what a properly functioning cladding system looks like. Boards should be flush and firm with no visible movement when you press them. All joints and junctions with windows, doors and roof edges should be sealed and intact. The base of the cladding should have a ventilation strip or a small gap that allows any moisture in the cavity to escape rather than building up. Drainage channels and any overlap between boards should be clear of debris.
If your installation was done correctly, there will be a breather membrane behind the boards and a batten framework that holds the cladding off the wall surface, creating a small ventilated cavity. This cavity is what prevents moisture from becoming trapped and causing damp.
Cladding boards collect dirt, algae, moss and airborne deposits over time. On uPVC, a green tinge usually means algae. On fibre cement and composite boards, dark streaking is common in shaded areas. Neither is structurally damaging in the short term, but if left long enough, algae and moss can work into joints and begin holding moisture against the board surface.
A soft brush, warm water and a mild detergent is the right approach for most cladding materials. Work from the top of each elevation down so dirty water doesn't run over clean sections. Rinse thoroughly. For stubborn algae, proprietary biocide treatments designed for exterior surfaces work well - apply following the product instructions and allow it to work before rinsing.
Avoid high-pressure washing on cladding. It looks effective but it forces water into joints and behind boards, exactly where it shouldn't go. It can also strip surface coatings from fibre cement boards. A gentle approach done regularly is far better than an aggressive blast every few years.
Annual cleaning is a practical target for most properties. Properties in shadier positions, or those surrounded by trees, may need attention twice a year.
Sealant around window frames, door frames and any penetrations through the cladding (pipes, cables, vents) is one of the most common places for water to start getting in. Sealant doesn't last indefinitely - it can crack, shrink or pull away from the surface after several years, especially on south-facing elevations where UV exposure is high.
Walk around the property once a year and look closely at every junction where the cladding meets another material. Press the sealant lightly. If it's hard, crumbly or has visible cracks, it needs replacing. This is a straightforward job with a cartridge gun and the right silicone or mastic product - exterior-grade, suitable for the surface type. If you're not comfortable doing it yourself, it's a small job for a cladding contractor to include on a routine maintenance visit.
The bottom edge of the cladding is the most vulnerable point on most installations. Soil, leaves and debris can accumulate against the base boards, holding moisture against the material and eventually blocking the ventilation gap. Check that the ground around the base of the cladding is clear and that no soil or mulch has been piled up against it during gardening.
If the lowest boards show staining, discolouration or soft spots, that's a sign water is sitting against them. Catching this early means replacing one or two boards rather than dealing with what can become a much bigger issue if the batten framework behind starts to rot.
High winds can stress fixings and lift boards that were previously secure. After any notable storm, a visual check of all elevations is worthwhile. Look for boards that have moved, gaps that have opened up at joints, any sections of trim or corner pieces that have come away, and debris that has collected in channels or against the base.
If a board has been lifted slightly by wind, the fixing behind it may have failed. Don't leave it - a partly secured board will flex in subsequent winds and eventually break. A failed fixing is a quick repair if caught early.
Cleaning ground-level cladding and replacing a tube of sealant are reasonable DIY tasks. Anything that requires working at height - cleaning upper-storey sections, re-fixing boards above the ground floor, or inspecting behind boards on a gable end - should be left to someone with the right access equipment. Ladder accidents are among the most common causes of serious injury in home maintenance. If the job is above head height, use a professional.
Similarly, if you press a board and it feels soft or hollow, or if you notice damp on an internal wall near a clad external wall, call a contractor rather than investigating it yourself. Soft boards can mean the batten or membrane behind is compromised, and opening that up without knowing what you're dealing with can make things worse.
A professional cladding inspection every two to three years is sensible for most properties. A contractor will check fixings, test board adhesion, inspect the membrane if any boards need lifting and re-seal any joints that have degraded. This kind of check costs far less than remedial work after a failure.
If you'd like to arrange a maintenance inspection or you've spotted something that needs attention, call us and we'll arrange a visit.
If you've recently had cladding installed, ask the contractor which sealant product was used at the joints - note it down so you can match it if you need to top up a joint in future. Find out whether the boards have any surface treatment that needs maintaining (some timber and fibre cement boards are supplied primed but not top-coated, and painting is the owner's responsibility). Know where your ventilation strip is and keep it clear.
A few minutes of attention each year is all most cladding needs to keep performing well for decades. Neglect, on the other hand, turns a low-maintenance material into an expensive headache.
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