The application method is Wash-and-Sweep, as firstly you will need to fully saturate the patio, especially right down into all the gaps between the stones. The manufacturer recommends using a garden hose or other water sprayer to make sure that the wet mixture reaches the bottom of the gaps. Once the gaps are full, turn the hose onto the patio stones off wash off the excess grout. That said, buying this Bostik Cementone mix does work out to be expensive if you plan on using it to install a new patio. It’s best used for small areas and repairs. As long as you seal the tub well, you can store the mix in a cool place indefinitely. Weather conditions will usually affect how long it takes the grouting to set and fully cure. Dry weather above 15℃ and below 25℃ is optimal. This grout can simply be brushed into the joints and compacted by hand. There’s no mixing required and, unlike many other products, you don’t need to keep the paving wet as you work. In fact, it should be dry whilst spreading the grout. Use either a brush or a squeegee to brush the grout into the gaps between the paving slabs. If the instructions indicate that the paving slabs need to be continuously wetted, you may need an extra pair of hands.

Grout is applied between paving slabs or tiles, keeping them in place, protecting from water damage and preventing weeds. Here’s some advice to help choose the best patio grout. The finish of this paving grout is long lasting and good quality. It dries and hardens in around 36 hours, providing conditions are reasonable, which is faster than a lot of similar products on the market. It’s one of the best patio grouts on the market if you want something low maintenance that sets fast. There are five colours to choose from, so it’s easy to pair the grout with your existing paving slabs.Grout will prevent paving slabs from moving. It also prevents weeds from growing between the slabs and reduces water damage. When patios are fixed with grout they look neat and professionally finished. Different Types of Patio Grout We’ll compare the Bostik jointing compound to the competition, focusing on its value for money and overall performance. By the end of this review, we’ll let you know whether Bostik patio grout is the best option for your next paving project. The Bostik Cementone General Purpose Mortar is a standard cement mortar for those who like to go old school/traditional in their stonework. This product is a pre-mix of sand and cement in the correct proportions. You just have to add the right amount of water, and you’re told how much to add to the tub. Mix it all up and you’re done.

The grout is permeable and fast drying, so water doesn’t pool in the recesses or cause mould or damp. We’ve used Bostik jointing compound with concrete slabs, slate, clay, terracotta and even sandstone, finding it to provide a solid and mess-free seal with excellent curb appeal! Long lasting

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Another option is to use a traditional sand and cement mix. This mix is made up of four parts sand and one part cement, and is still often used by contractors. The grout dries hard enough to withstand your pressure washer and any weeds trying to get through from underneath, yet remains permeable enough to let water pass through it without pooling up. Some epoxy grout products come with liquid resin, hardener and sand. Others come with a resin mixed with a sand compound and a hardener mixed with a sand compound. The latter needs water added. The resin and hardener will need to be mixed together in the correct ratio so that the grout will set properly.

Epoxy grouts are durable and weathertight. They’re also quite an expensive grout and are more commonly used for indoor areas like showers rather than large spaces like patios. This type of grout tends to be more durable than pre-mixed grout. Once hardened, it should last over 10 years, and your patio should also be able to withstand jet washing. Traditional Sand and Cement Mix Provided that you’ve waited for 10-48 hours to allow the compound to cure fully, joints set with Bostik patio grout will form a hard-wearing and solid structure, with no additional sealing required to provide complete protection against weed growth, erosion and rainfall. Additionally, this grout must only be applied in dry conditions. It shouldn’t be used if rain is expected within 24 hours. There are a few different types of patio grout, each with their own pros and cons. The most important thing is that the instructions are followed correctly to prevent residue and staining. Pre-Mixed Patio Grout

Epoxy grout requires sand to be mixed with an epoxy resin. There are often three components that require mixing together. These may be liquid or solids.

One thing you’ll need to consider is the colour of your patio grout. Whether you’ve got darker granite tiles or lighter limestone, you should be able to find a pre-mixed grout available in a colour that blends with your existing patio. Ease of Application Quite a few online reviewers remark that the key to success with this patio grout is to use lots of water, more than you would first think. Open the grout tub and you will find a slurry, a wet mixture of the granules and water. Covers an area from 2m 2 to 4.32 m 2 depending on the size of the slabs and the width and depth of the gaps between them. Once fully compacted, any excess can be safely swept away and then provided there’s no chance of rain for at least 10 hours, you can leave Bostik paving grout to cure all by itself fully! To apply this grout, it can help to have an extra person on hand to make the process easier. A lot of water needs to be added during application – so it’s best if one person sweeps the compound into the joints whilst the other adds the water. This grout can be applied in all weathers, so there’s no need to wait for a sunny day.The resulting hardened joints are resistant to frost and salt, with a porous structure that allows water to safely drain away beneath the surface and a pesticide-free natural barrier that prevents weed growth with no need for any additional driveway or patio sealers. Problems This mortar cement is pretty weatherproof – it stands up to temperatures between -30°C and +75°C and that covers all UK weather normally. This product stores well down to -15°C, especially if you cover the nozzle with adhesive tape to seal it. Pros The Bostik Easy To Use Patio Grout can simply be brushed into the paving joints for an aesthetic and hard-wearing finish that stands the test of time.