I have a three bedroom semi with Sandstone exteroir walls. The problem i have at the moment is the sandstone is beginning to crumble due to the weather. does anyone now how to solve this ie some kind of protector i can apply to the stone. thanks 
Sandstone House
- Thread starter caslin
- Start date
You could try something like Thompsons water seal (ie silicone liquid) or some other propriatary coating (probably specialist company applied), but if the problem is severe, then replacement stones may be necessary
or a stone repair specialist
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