Over the last few weeks I have discussed how much information can be found by inspecting a roof void (the underside of the roof internally) and within the first article I briefly provided some information about cut timber and trussed roofs. This is important because many of the problems that can occur with roofs often relate to the various components and the manner in which a roof is constructed. Please take the time to read these articles to understand some of the terminology that will be used through this article. You can view the previous articles by using the following links (Link 1) (Link 2). Within this and next week’s article, I have selected a number of things a Surveyor will consider when undertaking an inspection of a traditional timber pitched roof to a low rise domestic building. The items discussed are in no particular order of priority and are far from exhaustive however it is hoped that they will provide a basic understanding of what to look for anyone with an interest in property. Based on my previous articles it should now go without saying that professional advice should always be sought if something is identified that raises cause for concern.
The significance of what is causing a roof to sag will clearly be determined by what is causing the problem in the first place, which can occur for a variety of different reasons. Remedial measures can vary from leaving the roof as it is to repairing or replacing individual components or ultimately removing the roof surface and removing and replacing the roof structure, if for example extensive dry rot is identified. I have discussed dry rot during a previous article which you can view by using the following (Link).
To conclude, there are many reasons why a roof may sag, however extensive remedial works are not always required. In fact it could be argued that in some cases the presence of a sagging roof actually gives a building character. There are numerous examples of buildings that have existed for many hundreds of years which have sagging roofs, which are still performing the function that they were originally designed for. The roofs may sometimes look odd compared to more modern roofs however to replace these roof would remove a significant feature and the buildings could also lose the charm that makes them interesting in the first place. In part 2 next week I will discuss some other things that a surveyor will consider whilst inspecting a traditional timber pitched roof to a low rise domestic building.
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