Roof Repairs - How to check if your roof may be in need of repairFrom within your loft spaceIf the inside of the roof is unlined, check for cracks showing daylight as this will indicate areas needing closer inspection. Shine a torch on the timbers and check for water staining. If stains are found on the timber, try to trace the source of the stain. It is useful to inspect the inner roof space after a long period of rain, as the source of a leak is easier to trace. Slate does deteriorate with age so check for hairline cracks by looking for staining on the tiles.
From ground levelCheck the whole roof by inspecting at ground level. It is easy to spot a disjointed or slipped slate or tile against regular lines. If there is a change to the colour of a section, it could be newly exposed and therefore un-weathered. Look for a powdery or flaky surface, which shows deterioration, meaning the slate or tiles are no longer doing their job effectively. Look at the ridge on the skyline and check for gaps in the mortar joints. Check for the state of the flashings at abutments and around chimney stacks. Check for fallen pieces of mortar.
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See Some Examples
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