Allan Block is made to last, but what happens when natural buildup and efflorescence happens to the block?
“I have
had my Allan Block wall for 20 years. Moss and general dirt have
accumulated
on my blocks. What is the best solution to spray on my blocks
before
pressure washing them? Also, is there anything to get the
effervescence
off the block? I was not aware that the limestone would react
with the blocks.”
Great question Jeffery! To remove the moss and dirt simply pressure washing the wall should remove the debris. As for the efflorescence, although it can look daunting, the best way to remove it would be to use a stiff bristle brush and scrub with either a 50/50 vinegar and water mix or a dish soap mix. There are also solutions you can purchase that remove and prevent efflorescence, check with your local landscape store or big box store.
If
you have any questions send over them to us or give us a call at (800) 899-5309.
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