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Pointing of masonry joints

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POINTING



The rehabilitation of exposed masonry made of brick or natural stone requires often a renewal of the whole joints to prevent a further humidity of the wall.















Verfugen von Mauerwerksfugen 












Pointing of masonry joints



open PDF














Application range



    
	
  • Restoration or renovation of masonry joints
    • 
	
  • Joint renovation / pointing of natural stones built in
    • 
	
  • Gun pointing for large joints widths and great joint depths
    • 
	
  • Deep-hole filling
    • 












Material selection

The selection of the material is mainly determined by the existing material. Mortars are composed of mineral binders and admixtures if necessary, e. g.:


    
	
  • Lime mortar
    • 
	
  • Dolomitic lime mortar
    • 
	
  • Lime cement mortar
    • 
	
  • Roman cement mortar
    • 
	
  • Trass cement mortar
    • 




Note: Jointing mortar has to be machine-compatible









Examples of application



    
	
  • Masonry joints
    • 
	
  • Floor joints
    • 











 


















Advantages



    
	
  • Clean working ensured
    • 
	
  • Complete filling of joints
    • 
	
  • Delivery rate and speed adjustable
    • 














Procedure



    
	
  • If a repair is not possible, remove the joint material completely (z. B. AS200X Brick and Mortar Saw, no. 40040)
    • 
	
  • Clean joint flanks of dust and lose particles, roughen them if necessary
    • 
	
  • Pre-wetting using water of drinking water quality
    • 
	
  • Place mortar in the joints
    • 
	
  • Surface treatment
    • 
	
  • After treatment of the joints
    • 


 

Information on joint repair

WTA Merkblatt “Natursteinrestaurierung„ 3-2, Edition 10.2016 D, Information on natural stone repair: WTA Merkblatt: “Erhaltung und Instandsetzung von Mauerwerk„ E-7-1, Edition 02.2018/D (yellow print)








 







                

                

                                    

            

        

                

        
    

    
    

        

            

                
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