If your roof in Bungay is showing its age, knowing the warning signs early can save you thousands before a repair becomes a full replacement.
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Most homeowners don't think about their roof until something goes wrong inside the house. By then, water has often been getting in for months. Understanding the difference between a roof that needs patching and one that needs replacing is the first step to making a sound decision with your money.
A new roof is a significant investment, but putting it off when the signs are clear tends to cost more in the long run. Damaged ceilings, soaked insulation and rotting roof timbers are all avoidable if you act on the early warnings.
The most obvious sign is water getting into the property, but the roof can be failing long before you see a stain on the ceiling. Here are the things worth checking yourself before calling anyone out.
Roofs don't fail overnight. The causes are nearly always gradual, and most come down to one of a few common problems.
Age of the materials. Plain clay or concrete tiles fitted 40 to 50 years ago will be approaching the end of their useful life. Natural slate lasts longer but the fixings and the felt beneath it do not. A roof that was installed before modern breathable underlays became standard is likely sitting on old bitumen felt that has become brittle.
Frost damage. Frost gets into small cracks in tiles and pointing, then expands. Over several winters this breaks tiles apart from the inside and crumbles mortar joints. Ridge tiles, hips and valleys are particularly vulnerable because water naturally channels through them.
Poor previous repairs. A common problem is sealant or filler used as a short-term fix around flashings or at the ridge. These materials shrink and crack within a few years, and the underlying issue is never addressed. When you lift a failed repair, you often find that water has been sitting there for far longer than was obvious.
Inadequate ventilation. Without proper airflow through the roof space, condensation builds up on the underside of the felt and on the timbers. The timbers soften, the felt breaks down and the tiles above have no solid base to sit on. Ventilation is rarely something a previous owner thought about.
Flat roof age. Flat roofs on extensions and outbuildings have a shorter lifespan than pitched roofs. Mineral felt typically lasts 10 to 15 years before it begins to crack and blister. EPDM rubber membranes last considerably longer but still need the edges and joins checked periodically.
If the tiles or slates are sound, the ridge and hips are solid, the felt beneath is intact and the timbers show no sign of rot, then targeted repairs make sense. But if two or more of those elements are failing at the same time, a new roof covering is usually better value. You stop paying for repeat call-outs and the whole roof starts from a reliable baseline.
A full re-roof on a typical semi-detached house in this part of East Anglia will cost broadly in the range of £5,000 to £12,000 depending on the size of the property, the pitch, the access needed and the materials chosen. Slate costs more than concrete tile; lead-dressed details cost more than mortar-only finishes. Any roofer quoting significantly below that range is cutting something out, and you should ask what.
Flat roofs on kitchen extensions and single-storey additions give clear signals when they are failing. Blistering on the surface means the felt has separated from the layer beneath. Ponding water that sits for more than 48 hours after rain suggests the falls have failed or the surface has deformed. Cracks along the edges or around any upstands are points where water tracks in under the membrane.
When a flat roof starts showing these signs across most of its surface, patching is rarely a lasting answer. A new EPDM rubber or felt system, installed on a sound deck with correct falls, is what gives you a reliable result. EPDM in particular holds up well against temperature changes and does not crack the way old mineral felt does.
Before you agree to a new roof, ask any roofer you speak to these questions:
These are not difficult questions for any roofer who does this work properly. If you get vague answers, that tells you something.
Call us to arrange a roof survey and we will tell you honestly whether you need a new roof or whether a repair will see you right.
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Call any time. Calls are answered day and night and passed straight to our roofers.
