6 November 2025
Comprehensive Guide to Adjustable Deck Supports
News
6 November 2025
News
Adjustable deck supports, also known as pedestals, are height-modifiable structures used to create elevated and stable bases for terraces, sheds or raised outdoor floors. A beneficial alternative to permanent or concrete footings, they simplify the entire installation procedure by allowing the surface to be easily raised through simplified height and angle adjustments. This makes decking supports an ideal choice for rooftops or grounds that are uneven.
Typically made of strong, weather-resistant materials like high-strength polypropylene or rubber, pedestals are designed to support heavy loads for an extended period of time. Another important function of these adjustable decks is that the elevation they create makes it easier for air and drainage water to flow, preventing moisture build-up.
Adjustable pedestals can be used on a variety of surfaces, including gravel, concrete, and soil.
In the following paragraphs, we shall look into the key components of adjustable deck supports, benefits such as additional stability and adaptability offered by them, and the important factors you need to consider in order to choose the right adjustable deck supports.
Let us look at the primary components of an adjustable deck support.
Base plate – as the name suggests, this part is at the base of the deck support and is responsible for holding the entire weight of the structure. It is sturdy and distributes the weight evenly for an additional level of support and stability.
Support column—it is the middle part of the deck. It is known as a stem or thread column. Its primary purpose is to adjust and maintain the height to create a level surface.
Support head – the top part of the deck is called the support head. It holds the decking material and is usually designed with materials like grooves or rubber pads for better grip and stability.
Let’s look at the slew of benefits offered by decking supports.
Adjustable deck supports are used for height adjustments. Their height adjustment feature makes it extremely easy to work on an uneven surface. You can easily make adjustments in height without having to undertake any resource-consuming modifications.
In the case of conventional deck foundations, you need to dig holes and fill them with concrete, a process that takes too much time, labour and money. Adjustable deck supports eliminate the need for digging and filling it up with concrete, which in turn aids in a setup that is simple and quick.
The elevation they create lifts the deck above the ground, making it easier for air and drainage water to flow, preventing moisture build-up. No moisture build-up extends the life of the structure to a significant extent by preventing mould formation and rotting of wood.
Adjustable deck supports of high quality offer additional levels of strength, durability and stability. They are designed for heavy weights, making them the ideal option for large-sized decks.
Deck supports are environmentally friendly because they eliminate the need for using concrete. Moreover, they are reusable, as they can be easily dismantled and used in other projects.
Adjustable deck feet or pedestals are reusable, sturdy, convenient, and environment-friendly solutions to support decking boards or tiles without the need for using concrete. Available in a myriad range of load capacities and height ranges, deck supports are excellent solutions to create a level surface on an uneven field.
Also, the elevation they create makes it easier for air and water to flow without any hindrance. This feature considerably extends the life of the structure.
However, to derive full benefits from them, it is important to choose the right decking adjustable feet. You need to pay attention to important factors like its load-bearing capacity as well as the material it is made of. Additionally, you need to choose decking supports with different height adjustment ranges, keeping in mind the surface on which they are supposed to be installed.
Explore the full range of decking support systems at Castlewood Composite Decking and transform your outdoor space. Get in touch today to explore our extensive range of adjustable decking feet designed for both residential and commercial projects.