Can I use ballast as a sub-base?

Can I use ballast as a sub base? Ballast is available in different types for different needs. 0-20mm ballast is perfect for sub-base and concrete foundations. 20mm screened ballast is versatile and can be used on driveways, footpaths, oversite fill as well as sub-bases.

What can I use as a sub-base?

Type 1 limestone

Suitable for: a sub-base for car parks, footpaths, driveways, hardstandings, roads, highways, patio areas and building bases. Type 1 limestone is a sub-base aggregate made from crushed limestone.

Can I use ballast as patio base?

This can be done be using a Ballast and Cement mix (6 parts Ballast to 1 part Cement with just enough water to form a semi dry mix) or Type 1 compacted with a 'wacker plate' which can be hired from your local plant hire company.

Can you use ballast for shed base?

Concrete mix for shed base

A standard concrete mix ratio of 1 part cement to 5 parts ballast (aggregate and sand) is usually perfectly adequate for shed bases but you can add reinforcing fibres if you are housing anything particularly heavy.

Can I use gravel as sub-base?

If your builder uses the gravel he may find it will dissipate too easily into the ground and will spend more time and money to get the levels needed. I would not advise using the gravel. A well constructed base means your drive will never get sink holes.

26 related questions found

How thick should a sub-base be?

How deep should my sub-base be? Generally, a flexible sub-base of unbound material needs to be at least 100mm deep, as does a bound sub-base of CBM/HBM. For bitumen-bound material, then 50mm is a typical minimum thickness.

Can I use old gravel as hardcore?

Gravel can be used to make up a hardcore level. For more information see: Hardcore. Aggregate is a material used in construction as a means of stabilising and reinforcement, included, for example as a component of concrete and cement.

What is the cheapest way to build a shed base?

Hi, The best way would be a concrete slab base and the cheapest way if the ground your putting the shed onto is reasonably level would be to lay pressure treated bearers across the joists of the shed base.

Can you mix ballast with cement?

Mixing 1 part cement to 6 parts ballast creates concrete suitable for driveways, paths and patios, and increasing the ratio to 1:8 gives foundation-strength concrete. It is of course possible to add other materials to increase the strength of the concrete – these often include steel reinforcing bars (“rebar”).

What is the best base for a shed?

Gravel is the best shed foundation, especially for portable buildings that come with a wood floor. Concrete is the ideal foundation for a garage or a shed without a pre-built floor.

Can you lay slabs without a sub-base?

What's crucial to patio laying success is a sub-base to provide the support paving slabs require. You'll need a sub-base, which is the main load-bearing layer of your patio. The best sub-base for a patio is hardcore laid to the correct depth, along with a binding layer of sand.

Can you use ballast to lay block paving?

Use a concrete mix of one-part cement to six-part ballast to create foundations that are 100mm thick. Using a taut string line set at the finished height of your paving level to act as your guide, make sure the edging stones you're using will sit at the level they need to be.

Can I use sharp sand as a sub-base?

We recommend laying sharp sand to the thickness of 10/15mm . The sand is only there to blind the top of your sub-base, so it should be firm. (Granite dust is also an alternative if you can't get your hands on sharp sand) I cubic bulk bag should cover between 20/25 square metres.

What can I use as a sub-base for a patio?

The most common granular aggregate sub-base is DoT (Department of Transport) Type 1 and Type 3 Limestone. They are both crushed stone: Type 1 has a maximum permitted top size of 63mm, graded down to dust; and Type 3 is an open-graded 40mm unbound mixture with a reduced amount of fines.

Can you use broken concrete as sub-base?

It will be fine.

What sub-base do I need for a patio?

The depth at which you will need your base will depend on where you are laying your paving and whether you want this paving raised or at ground level. The Typical measurements are a depth of 150mm. This includes a 75mm sub base, 50mm of a mortar mix or sharp sand and then the paving on top of this.

Is ballast the same as aggregate?

What is ballast aggregate? The general rule of thumb when making concrete is to use 4 parts aggregate, 2 parts sharp sand and 1 part cement and water. The bit that is aggregate and sharp sand is collectively known as 'ballast' and is typically sold in ready-mixed bags.

What is the strongest mix of concrete?

C40 concrete is the strongest and most durable mix and for good reason townhomes for sale san diego. It can handle almost any abuse, including withstanding corrosion, making it ideal for farm-based and laboratory environments.

Does more cement make concrete stronger?

To make the concrete stronger, add more cement or less sand. The closer you bring the ratio to an even one-to-one of sand to cement, the stronger the rating becomes.

Do shed base need to be perfectly level?

Do shed bases need to be perfectly level? Yes – without a level base, your shed won't last long (see below). So while the ground beneath the base can be sloped, the base itself must be perfectly level.

How thick should a concrete shed base be?

Concrete Shed Base Depth

For ordinary garden sheds, a thickness of 3" (75mm) is sufficient in most situations. On soft clay, or on larger buildings, increase the thickness to 4" (100mm) laid on 2" (50mm) of finely broken and compacted hard-core if required.

How big should my shed base be?

How big should the base be? Your base should normally be about the same size as the floor of your shed. Some people like to create a larger base or lay paving slabs around the outside of their shed. This allows for easier, cleaner access and space to empty out items onto a hardstanding area.

Can I use breeze blocks as hardcore?

just make sure it is decent quality hardcore ie, bricks/concrete, thermalite breeze blocks are not really considered good quality hardcore.

Can you use garden stones as hardcore?

Hardcore is boken brick, slabs, stone etc which is random in size and only beneficial if its compacted well. Because of its randomness its very difficult to get level and make getting an even layer of sand on top of it very difficult. Yes you can use slabs but if you do definately compact with a plate.

Can I use decorative stones as sub-base?

Most decorative aggregates are suitable for garden pathways, when laid on a suitable sub-base. Self-binding gravel is a great option because it is cost effective and durable. Its fine-textured clay particles bind with the gravel to form a hard surface that doesn't shift around when walked on.