You say in the description it kills weeds off patio and paving.  But won't it blacken and/or crack the paving stones from the fire and the heat?
                    Sheen X300 Flamegun
                            
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                Open    Jun 15, 2019 - 03:01 PM
            
            
                
            
                            
                    
                
                                    
         
     
    
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    Jun 15, 2019 - 03:01 PM
    No it is fine. I use one of these on my own patio and once you move along at a brisk pace there are no issues for either cracking or blackening of the paving slabs. I use it on my patio regularly without any issues
Niall
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                    Sheen X300 Flamegun
                    
                        Description Digging out weeds is very labour intensive and can cause aches and strains quite easily. A safe, organic alternative to manual weeding is flame weeding. This uses a flame torch to burn the top foliage of the weed. It is a tried and tested alternative to chemical intervention and a g...
                            
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