If you’re thinking of installing a conservatory, you’ll want to get the foundations right. Although the conservatory itself is light, the weight of the building is still a considerable amount, and a faulty foundation can seriously affect the stability of the conservatory.
The main issue with conservatory foundations is that they aren’t always designed to support the weight of the building. The problem lies with the type of materials used in the base of the conservatory, and the depth of the foundation. In general, the thickness of the concrete slab should be between 150mm and 300mm. It’s also important to check that the foundations don’t sag or sink in the ground, and that they are not too spongy.
There are a number of different types of foundations to choose from. If you’re unsure which one is right for your project, it’s a good idea to speak with a specialist foundations engineer. In addition, you’ll need to consider the specifics of the local soil and ground conditions.
If you’re concerned about your ground, a pier foundation might be an ideal solution. This type of foundation is typically used in areas where the ground is uneven or has a high water table. It makes it easier to level off the structure before the beams are installed.
Another option is a trench fill foundation. This is usually used where the ground has heavy clay. These types of foundations can be very quick and straightforward to install. However, they require a larger quantity of concrete than a shallow strip foundation. They can also be quite problematic in bad soil conditions.
You might also consider using a raft foundation instead. These types of foundations are a great alternative to a deep strip foundation, but they can cause problems with settlement and cracks at the join between the foundations.
When considering what type of foundation to use, you should take into account the type of soil in the area and the surrounding trees. If you live in an area with a lot of trees, you’ll need to ensure that they have a good root protection zone around them. This helps to prevent the roots of the tree from affecting the foundation of the conservatory.
Finally, you should check that the base is adequately insulated. A damp proof membrane will help to keep the conservatory warm and moisture free. You might also need to consider a layer of ‘Claymaster’ between the foundations.
If you’re planning to build a conservatory, don’t forget to research the best type of foundation for your situation. The building regulations may require you to get permission from your local authority before you can build a conservatory.
Most Double Glazing Companies will be able to advise you on the requirements for a DIY foundation. You should also get several quotes from different installers, and make sure you have the job professionally surveyed. You should be able to have a good idea of the quality of the work and the price you’ll pay before you agree to anything.
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