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Laying Pattern

A depth of at least 200mm should be dug out in the area that needs to be paved. That area should then be filled up again with 150mm of MoT/Crusher run, compacted to 100mm. The laying can now commence. Depending on the thickness of each individual flag, the actual mortar bed can be prepared, consisting of a semi- dry mortar mix. The mix consists of 4 parts sharp sand to 1 part cement. We recommend never using spot bedding for natural stone paving, as the flag will not be adequately supported. Buttering helps the consistency of joint width; so when laying the flags that have mortar joints, the receiving edges of the flags that have already been laid are buttered with mortar, into which the new flag is pressed. This forms a well-filled joint that can be topped up when pointing.

Once the flags are in place tapping them down can consolidate it. This can be done with a rubber mallet or keeping a softwood between a hammer/mallet and the flag. Frequently check the levels and falls throughout the whole process across the top surface profile of a number of flags at a time. The strength of pointing is very important; therefore building sand will be more workable. Point with a wet mortar mix of 4:1 and ensure the gaps between the sand are completely filled. The joints will be the weakest part of the paved area if this is carried out incorrectly.

Please take caution to not stain the paving surface with excess mortar, as it is very difficult to remove. To ensure all air pockets are eliminated and to improve the workability of the mortar mix a plasticiser can be added. To change the final colouration of your pointing mortar cement dyes can also be added. Please refer to the FAQ section of the website for more information or get in contact with us for more information.