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#1 |
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Member
Trade: ringy ding ding
Join Date: Aug 2009
Posts: 44
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Here's One About Waterproofing A Balcony.
this is not my specialty.
My buddy had is house poorly rebuilt after a hurricane. He has a second floor balcony which is over his fully finished garage. the deck is trypical PT construction, 2x6 PT decking, BUT has been overlayed with 1/2"4x8 CDX and carpeted. He is getting some wicked leaks now which have ruined the 5/8" rock in the garage. I can easily fix the garage for him, I can repair the deck so it doesnt leak again. Problem. I suggested a rubber membrane, properly installed of course, over the plywood, to be carpeted again. Cost is an issue and I am looking at well over $1000 for minimal membrane, .040 mil or similar. I then thought of using laticrete hydroban which I use on custom bath and shower applications which does a great job within its' parameters. Thats about $700 worth of hydroban. Any other suggestions. The house is in the panhandle and backs up to the gulf of mexico about 75' back. currently the sealant used was aluminum roof coating under the carpet, but it has dried, and has splits. Of course the dummys never flashed the deck which is part of the problem. Anyone use any other less expensive waterproofing barriers? Just looking for cheaper fixes, remember it has to skin over because a new carpet will be installed directly over it. thanks in advance. |
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#2 |
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Sean
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Re: Here's One About Waterproofing A Balcony.
You may want to look into - http://www.duradek.com/
Waterproofing is never cheap, but done right it is priceless |
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#3 |
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Pro
Trade: Masonry consultant
Join Date: Nov 2006
Location: MSP, Minnesota
Posts: 2,447
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Re: Here's One About Waterproofing A Balcony.
Does he have a proper design that will make sure there is drainage after it is installed? A cantilevered design will deflect the balcony up and cause drainage back into the house. Once the furniture and people are in, no matter how the level/slope was watched during construction the deflection will occur. Commonly, people try to build to build a balcony level when it is built, which is a mistake.
If it is the common enemy (leakage, mold, etc.) that comes with ledgers, does he have proper flashing and counter flashing to keep the water out? You said that it was not flashed, so you could make things worse if ALL the water was directed back to the house. Water has to have a place to go and winds near the gulf only make it more difficult. I worked in the Gulf area as a loss verifier for 5 months after Katrina and I saw the level of construction and attention to final performance and it was a real eye-opener.
__________________
Dick Engineer, designer and consultant recently active domestically and internationally on construction and design in about 35 countries. |
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#4 | |
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Member
Trade: ringy ding ding
Join Date: Aug 2009
Posts: 44
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Re: Here's One About Waterproofing A Balcony.
my thoughts exactly.
Quote:
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#5 |
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Pro
Trade: Deck Builder
Join Date: Oct 2007
Location: Austin, Tx.
Posts: 1,496
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Re: Here's One About Waterproofing A Balcony.
Sounds like you need a new torched down roof.
Plywood & carpet on deck is a recipe for trouble. |
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#6 |
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Member
Trade: ringy ding ding
Join Date: Aug 2009
Posts: 44
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Re: Here's One About Waterproofing A Balcony.
it is. I am trying to guide him. I have even tried fiberglass resin. He is talking cheap. There is no roof. the balcony joists ARE the ceiling joists in the garage. The house sits atop stilts, and as a typical stilt construction for the gulf front property, the lower area becomes parking. In this instance the lower area was scabbed together much like a pole barn and was sided straight up. So the deck is leaking into his sheetrocked garage. I am looking for a feasible solution that doesnt include a roof muck since I dont want it to leach into the carpet that will be applied. I understand the torchdown concept, but, in my opinion, it would provide a much too inconsistent finished surface for a carpet to be laid.
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#7 |
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KemoSabe
Trade: residential framing/siding/general carpentry
Join Date: Feb 2009
Location: Vineland, New Jersey
Posts: 12,828
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Re: Here's One About Waterproofing A Balcony.
I would only recommend two solutions. One is a fiberglass mat/resin application similar to what is used on boat hulls. Two is a polyurea/polyurethane coating very similar to a spray on bedliner.
The fiberglass mat/resin system has been in use in my area for roughly twenty years. The surface should be gel coated every few years as routine maintanance. The downside is that it is very ridgid and I have seen the underlayment expand and tear the mat, usually at the seams of the underlayment. This generally happens when the underside of the deck is not vented properly and a moisture problem results. The polyurea/polyurethane system also needs to be coated with a topcoat with a UV inhibitor, but it remains flexible and is very hard to damage. The downside to this product is that the product is very dependant upon surface prep, and will not properly bond if there is moisture present, or if the surface is dirty/dusty. I have seen very good results with both products and they are similar in appearance when finished. Both are available in a rainbow of colors and can have additives in the topcoats to aid in skid resistance.
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__________________________________ "Walking the fine line between production and perfection" __________________________________ |
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| The Following User Says Thank You to loneframer For This Useful Post: | Donnie631 (08-12-2009) |
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#8 | |
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Grand Rapids Remodeling
Trade: Remodeling Contractor
Join Date: Feb 2009
Location: Grand Rapids, MI.
Posts: 2,340
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Re: Here's One About Waterproofing A Balcony.Quote:
I think they are two great solutions along with the vinyl decking but this guy or his HO is sold on putting carpet back on overall which is beyond me. |
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#9 |
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Member
Trade: ringy ding ding
Join Date: Aug 2009
Posts: 44
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Re: Here's One About Waterproofing A Balcony.
I have done a few fiberglass decks on the jersey shore, and this would be a great application for it. He likes his carpet for some reason, I have never been a fan of carpet for anything, let alone an environment like this. I spoke to him a bit ago and am trying to talk him into something besides roof coating. I got out of him that he needs to keep the project under $1000. I know that the price for epdm membrane is going to run over $1000 alone. The deck is 10'x60'. I think a possible solution is using laticrete hydro ban, but I need to prep the surface according to the guidelines and thats $300+ for 5gal. The deck currently has aluminum roof coating under the carpet.
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#10 | |
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KemoSabe
Trade: residential framing/siding/general carpentry
Join Date: Feb 2009
Location: Vineland, New Jersey
Posts: 12,828
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Re: Here's One About Waterproofing A Balcony.Quote:
__________________
__________________________________ "Walking the fine line between production and perfection" __________________________________ |
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#11 |
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Pro
Trade: Deck Builder
Join Date: Oct 2007
Location: Austin, Tx.
Posts: 1,496
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Re: Here's One About Waterproofing A Balcony.
If there was ever a job to walk away from, that's the one. Run don't walk.
1k for that job is joke. Seriously, not trying to be hard on you, tell that guy to save up some money & call you when he has it. |
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#12 |
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Pro
Trade: Carpentry Contractor
Join Date: Dec 2007
Location: California
Posts: 1,270
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Re: Here's One About Waterproofing A Balcony.
A decent job cannot be done for $ 1000. Good Luck.
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#13 |
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Pro
Trade: Residential remodel
Join Date: Apr 2009
Location: Oklahoma City, Oklahoma
Posts: 356
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Re: Here's One About Waterproofing A Balcony.
He has you limited to a thousand dollars?...Since when does the homeowner establish the cost?
You can only give him what that thousand will buy and there aren't many options. rj |
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#14 |
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Member
Trade: ringy ding ding
Join Date: Aug 2009
Posts: 44
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Re: Here's One About Waterproofing A Balcony.
you guys are missing the point that he is a friend of mine. I am doing this for little cost to no cost to me, I just want him to spend his money to have the proper materials to do the job right. The deck is salvageable. It has aluminum roof coating on it, it has split at some of the seams, and without flashing it is leaking at the posts.
everyone on this site is so worried about making a buck, and so cocky about the things they think they know about. what ever happened to seeing a problem and coming up with a practical solution without such drama. |
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#15 | |
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KemoSabe
Trade: residential framing/siding/general carpentry
Join Date: Feb 2009
Location: Vineland, New Jersey
Posts: 12,828
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Re: Here's One About Waterproofing A Balcony.Quote:
__________________
__________________________________ "Walking the fine line between production and perfection" __________________________________ |
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#16 |
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Pro
Trade: Carpentry Contractor
Join Date: Dec 2007
Location: California
Posts: 1,270
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Re: Here's One About Waterproofing A Balcony.
I got your point as well. I'm not a roofer, but I have done a few projects that required waterproof decks. None of them came anywhere near a $ 1000 and were much smaller in size.
Good Luck. |
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#17 |
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LET ME SHOW YA SOMETHIN!!
Trade: I do that too!
Join Date: Oct 2008
Location: Globe, Arizona
Posts: 1,410
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Re: Here's One About Waterproofing A Balcony.
__________________
DO IT!! DO IT!! DO IT!! |
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#18 |
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Pro
Trade: Custom deck builder
Join Date: Aug 2005
Location: Colorado Springs, Colorado
Posts: 4,310
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Re: Here's One About Waterproofing A Balcony.
I did not really read or bother to comprehend exactly since these types of projects are probably 1 in 1,000 around here... But would layers of ice and water shield work?
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Robert Shaw Colorado Springs Custom Decks Colorado Custom Decks Custom Composite Decks |
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#19 | |
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Moderator
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Re: Here's One About Waterproofing A Balcony.Quote:
I've lived on the Gulf Coast and I think the reason your friend is so intent on carpet is that its cool on the feet even in bright sun. A PT deck is not. That hot Texas sun is gonna beat the hell out of anything you put up there and you're going be dealing with some wicked expansion and contraction if its in direct sunlight. Six hundred square feet of water proofing at $1.67 a square foot is not much of even a materials budget, never mind the labor. Wish I had more to offer. Good luck.
__________________
"My clients’ wishes are the center of my attention." -- David Guido, a contractor in Woodstock, N.Y. New York Times, July 20, 2006 |
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| The Following User Says Thank You to Double-A For This Useful Post: | Donnie631 (08-12-2009) |
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#20 |
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John Hyatt
Trade: out door areas, decks,spa room additions,fire pits
Join Date: Jan 2007
Location: Oklahoma City
Posts: 1,850
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Re: Here's One About Waterproofing A Balcony.
There is one thing a good harted Craftsmen like your self could do.
Learn to put down the modified your self. The actual cost of the base sheet/modified would be with in your range same with the cost of the torch. If your bound to flash/roof this thing for free put your back into it. JonMon |
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| The Following User Says Thank You to John Hyatt For This Useful Post: | Donnie631 (08-12-2009) |
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