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Do I need sand under concrete?

lawrencetoolrental.com - Don't Make These Common Concrete Pouring Mistakes

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Thinking about pouring a concrete slab for a new backyard patio this spring? This is a great weekend project that you can tackle on your own with the right preparation. If you haven’t had much experience working with concrete in the past, however, there are a few common errors you should keep in mind to make sure you get a great finished product.

Being Careless With the Mix

Different applications call for different concrete mixes, so make sure you get the right ratio of cement, sand and course aggregate before you start pouring. Add water to the mix gradually to ensure the concrete doesn’t get thin and runny. Ideally, the wet concrete should be the consistency of a smooth, thick paste. Adding too much or too little water can ultimately compromise the strength of your concrete slab.

Failing to Prep the Site

To prevent cracking and crumbling, concrete patios need to be built on solid, well-drained soil. If you live in a region with lots of clay in the soil, you will need to dig down further and backfill with layers of compacted sand and gravel. If you’re lucky enough to have sandy soil in your yard, you can simply remove the grass and topsoil and pour a layer of gravel for extra drainage. Make sure the surface is firm and level before you start pouring concrete as well. Line the perimeter of your patio with braced wooden forms to ensure the concrete stays within the desired area. These forms also need to be carefully leveled to prevent concrete from spilling over one side or another. Taking time with your prep work can make the final installation much easier.

Neglecting to Reinforce the Slab

Concrete is strong in many ways, but it lacks tensile strength which can make it vulnerable to cracking. To prevent cracks and make your patio as durable as possible, it’s a good idea to reinforce the slab with a steel mesh. This entails pouring about half of your concrete into the form, placing the pre-cut steel mesh and then pouring the rest of the concrete over the mesh. At Lawrence Tool Rental, our concrete buggies make it easy to move large volumes of concrete around your work site. Give us a call or contact us online to get the tools you need for your next DIY project today.

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Is the 4 year rule still valid?

Many of our cases involve the 4 and 10 year rules. The 4 year rule is often used to legitimise new dwellings where a council has failed to enforce against the owners.

planningdirect.co.uk - 4 Year Rule to be phased out in 2022 - Planning Direct

Many of our cases involve the 4 and 10 year rules. The 4 year rule is often used to legitimise new dwellings where a council has failed to enforce against the owners. By providing evidence, on the balance of probabilities, that the dwelling has been in continuous use the council, via a Lawful Development Certificate application must confirm the dwelling is deemed to have planning permission. The Government has announced in the Queens Speech that the 4 year rule is due to be phased out in the new new Planning Bill: Levelling up and Regeneration. If this legislation received Royal Assent (possibly late 2022 or early 2023) the 4 year rule will be phased out and the time period will be 10 years for all such planning exemptions. If you have a 4 year rule case you should bring it forward immediately before the 4 year rule is phased out

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