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Best System For Waterproofing A Balcony?

 
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Old 02-26-2015, 07:24 PM   #1
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Best System For Waterproofing A Balcony?


What is the absolute best system to apply to a balcony and covered foyer to keep it waterproof? Currently the 2 areas are plywood with a fiberglass coating that has failed and is leaking. 1 area is covered with tile and the other pavers.
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Old 02-26-2015, 09:24 PM   #2
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Re: Best System For Waterproofing A Balcony?


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Originally Posted by Dbower View Post
What is the absolute best system to apply to a balcony and covered foyer to keep it waterproof? Currently the 2 areas are plywood with a fiberglass coating that has failed and is leaking. 1 area is covered with tile and the other pavers.

Is this outside? The foyer thing is throwing me off. Check out Schluter. They have stuff for exterior tile installation.

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Old 02-26-2015, 09:46 PM   #3
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Re: Best System For Waterproofing A Balcony?


Plywood, fiberglass, tile, and you got a problem?, one word MEMBRANE, Lots of types out there pick your poisen
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Old 02-26-2015, 11:11 PM   #4
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Re: Best System For Waterproofing A Balcony?


Flashing, membrane, layer of concrete with lava rock as aggregate. Built lots of em, never a problem.
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Old 02-27-2015, 09:05 AM   #5
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Re: Best System For Waterproofing A Balcony?


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Originally Posted by Dbower View Post
What is the absolute best system to apply to a balcony and covered foyer to keep it waterproof? Currently the 2 areas are plywood with a fiberglass coating that has failed and is leaking. 1 area is covered with tile and the other pavers.
Mechanically fastened EPDM or TPO. If you need to have a walk surface there are TPO's rated for foot traffic. Or you can do EPDM with drainage mat and pavers or walk pads.
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Old 02-27-2015, 11:27 AM   #6
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Re: Best System For Waterproofing A Balcony?


Absolutely stay away from mechanically attached roof systems if they are going to be covered up. Go with fully adhered.

EPDM makes a far better walking surface then TPO or PVC in the winter or any frosty wet conditions.

The system can be sloped for drainage then pedestals installed to put pavers over. Sticking tiles to any of these membrane systems I do not believe would work.

IF there is insulation you are putting down to slope the roof install densdeck or secure rock as a coverboard. The pavers can crush the ISO leaving you with an uneven surface. We always use 6" seam tape on anything that is going to be covered up. And of course 60 mil EPDM, if you have the extra money 90 mil.


This one will get pedestals and 2'x2' concrete pavers. 1/4" per foot tapered 1/2" dens deck 60 mill EPDM with 6" seams. There is two levels of these decks.
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Old 02-27-2015, 04:45 PM   #7
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Re: Best System For Waterproofing A Balcony?


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Absolutely stay away from mechanically attached roof systems if they are going to be covered up. Go with fully adhered.
Why not mechanically attached? Risk of movement? I say MA for the reinforced membrane and you will have something holding it down.
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Old 02-27-2015, 07:29 PM   #8
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Re: Best System For Waterproofing A Balcony?


My balcony is covered with fiberglass, going on 12 years now and it exposed to the sun for most of the day, still looks like it was done yesterday
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Old 02-27-2015, 07:49 PM   #9
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Re: Best System For Waterproofing A Balcony?


dex o tex is big here in los angeles. It's all in the flashings with the huge amount of stucco that is used here. i think they're called Diato flashings,run up the wall and incorporate a stucco screed. Fiberglass seems like the sun beats it up pretty well here
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Old 02-27-2015, 08:22 PM   #10
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Re: Best System For Waterproofing A Balcony?


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Why not mechanically attached? Risk of movement? I say MA for the reinforced membrane and you will have something holding it down.
No worry about movement. Mostly risk management. Pulling up deck boards and pavers get expensive. I prefer to have as few penitrations ass possible.
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Old 03-19-2015, 08:46 AM   #11
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Re: Best System For Waterproofing A Balcony?


There are several good fluid-applied systems on the market - I would not recommend utilizing any type of sheet membrane system on a balcony.
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Old 03-19-2015, 09:32 AM   #12
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Re: Best System For Waterproofing A Balcony?


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There are several good fluid-applied systems on the market - I would not recommend utilizing any type of sheet membrane system on a balcony.

But yet you recommend a coating? Sure why use something that has been proven for decades just throw a bucket of *** over it and call it good.
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Old 03-20-2015, 10:13 PM   #13
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Re: Best System For Waterproofing A Balcony?


Problem is, nuckleheads think that bucket 'o "coating" is a "system": Just roll'r' on and yer ready to go!...When typically, due to their ignorance, they may have a component or two of a complete system, which, of course fails miserably......
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Old 03-20-2015, 11:39 PM   #14
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Re: Best System For Waterproofing A Balcony?


Quote:
Originally Posted by calmod View Post
dex o tex is big here in los angeles. It's all in the flashings with the huge amount of stucco that is used here. i think they're called Diato flashings,run up the wall and incorporate a stucco screed. Fiberglass seems like the sun beats it up pretty well here
We were just doing some stuff on a dex o tex roof deck that was built in 1992, looked great but no freeze cycle to consider here.
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Old 03-21-2015, 01:52 AM   #15
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Re: Best System For Waterproofing A Balcony?


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Originally Posted by tnt specialty View Post
Problem is, nuckleheads think that bucket 'o "coating" is a "system": Just roll'r' on and yer ready to go!...When typically, due to their ignorance, they may have a component or two of a complete system, which, of course fails miserably......

Agreed, typical traffic coating. Multi part process, starting with GSM flashing all the way through finish coat. Near impossible to damage unless by mechanical means. Last job we used endurokote. Best system for waterproofing a balcony?-imageuploadedbycontractortalk1426920735.447510.jpg
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Old 03-21-2015, 08:03 AM   #16
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Re: Best System For Waterproofing A Balcony?


I've installed seal-o-flex on many balconies and never had a problem

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