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    TomJudy's Avatar
    TomJudy Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Sep 10, 2011, 06:49 PM
    Glass block window
    During Hurricane Irene, we had water permeate the mortar in our glass block bathroom window. What do we do to make sure it doesn't happen again?
    joypulv's Avatar
    joypulv Posts: 21,591, Reputation: 2941
    current pert
    		  
    #2

    Sep 10, 2011, 06:59 PM
    Silicone spray, then wipe it all off the glass.
    For even more protection, clear silicone adhesive from a tube first, working it into the mortar and wiping it down. It needs to be totally dry in either case, and not to cold out.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Sep 10, 2011, 07:12 PM
    That or chimney sealer. Something designed to seal masonary. ChimneySaver Water Repellent brick sealer for brick waterproofing, chimney waterproofing and leaking chimneys Hopefully you can get in in a smaller container than 3-5 gallons.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #4

    Sep 10, 2011, 09:07 PM
    Grout sealer will also work. Brush it on with 2-3 coats.
    SpringtimeHomes's Avatar
    SpringtimeHomes Posts: 78, Reputation: 12
    Junior Member
    		  
    #5

    Sep 12, 2011, 07:38 AM
    I would think that your problem is from poor window flashing, not leaky mortar. Are you absolutely sure its coming from the mortar lines?
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