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Roof Installations

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The Roof Installation Process

This guide will break down the entire process of installing a new roof.

Now whether you’ve hired a roofing professional or maybe you plan to install a roof yourself, making sure that you know roughly the roof installation process and steps will ultimately help you ensure that your new roof is installed correctly. In addition, it's always good to have a rough idea on what exactly the roofing company will be doing.

Of course, if you know what to expect with your roof installation you can have a better understanding of what the process is and how it works.

Here's a short breakdown of what generally happens when a roofing company or contractor comes to install or replace your roof.

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Steps of the Process:

1) Assessment: Installing a new roof will always start with a proper assessment of the existing roof and deciding what materials will be used or sometimes re-used, if they are in good condition.

2) Ordering New Materials: It is very unlikely that all parts of the existing roof can be used so once the assessment has been completed, the new materials will need to be ordered and delivered to the site - along with a skip for disposing of all the previous and future waste materials.

3) Scaffolding: A very important part of the process. Scaffolding is not only necessary for safety but the amount of working space and material storage needed when re-roofing a house. Scaffolding at times can be fairly expensive but does of course depend on the complexity of the job. For example, a standard terrace house would be a lot cheaper than a detached 4 sided house with 2 chimneys to scaffold around etc. Furthermore, if there are conservatories or a carport e.g. the scaffolding has to go over which will of course add to the cost of the job.

4) Existing Roof Materials stripped: All the existing roof materials (that were not to be used/kept) have to be carefully stripped and removed starting from the top of the roof with the ridge tiles. Slates and tiles are then passed down exposing the roof timbers and tile laths. At this stage the roof will now be completely exposed and look like the inside of a skeleton! Next, the laths are removed so that only the main structure of the roof is left which is where any rotten or split roof joists are fully replaced.

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5) Felt is laid: The timbers are next covered with a layer of felt which, is layered from the bottom of the roof towards the top. This allows any moisture or rain that manages to get through from say a broken tile e.g. to run down the roof and into the gutter. It acts like a second shield in the event that water manages to get through the first shield (being the roof). At this stage although there wouldn't be any tiles on the roof itself, it is now watertight.

6) Tile battens are fixed into place: with galvanised nails at the correct gauge depending on the size and type of the tile. These create the neat ‘rows’ of tiles that can be seen on roofs. It is crucial that these are spaced correctly to give them enough space to properly overlap each tile/slate.

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