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Joined: Oct 2007
Posts: 365
Lunker
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Lunker
Joined: Oct 2007
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anybody ever done a waterproof deck over living space (aka roof top deck?) and what did you use, and how has it held up? I'm curious about this, also. I'm planning an inverted dormer that will act as a balcony on our next home, and it will have living space below it. My thought was to flash completely around the perimeter of the area, put a concrete friendly panning above the joists, and then pour a layer of lightweight concrete on top of the panning. With the concrete sloping away at 1/4" a foot.
-Chris 1 acre pond Currently managing: FHM, GSH, GSF, BG, PS, RES, LES, YP, SMB, LMB, HSB, RBT, WE, CC, FHC, and Grass Shrimp
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Joined: Apr 2004
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Lunker
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Lunker
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I have an uncle who has a beach house that had a 3nd floor deck. He put a deck on the 2nd floor below it and didn't want the water dripping down. I believe he waterproofed the upper deck by covering it with exterior plywood (?) and then had that fiberglassed. The fiberglass was then protected with an expoxy paint. This was about 7-8 years ago and has stood up to the harsh beach environment without any problems. Much lighter than concrete too.
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Joined: Dec 2007
Posts: 267
Lunker
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Lunker
Joined: Dec 2007
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Dave...
Here is how it is done. Get a solid sheet of membane that is around 1/8 of an inch thick. You will need to make sure that your deck slopes 1/4 inch per foot for drainage and install a scupper or drain or some kind. Lay it in the area and use contact cement to adhere it to the plywood base. You then put the membrane up the sides of the wall and have siding or something cover the top so that water can't get under it. You then construct a free floating deck to sit on top of the rubber membrane. It is important that you use a router and completely round over any edges that touch the membrane so that it doesn't get cut. If you have more questions, please let me know.
Water dries, rocks crumble, and trees die. The only thing that is eternal is the reputation we leave behind. - Ancient Viking Proverb
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Ambassador Field Correspondent Lunker
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Ambassador Field Correspondent Lunker
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We have a water proof deck over our garage at our So Cal house. It is a system of galvanized metal lath, acrylic modified cements, fiberglass, and a pigmented sealer. It had to be applied by a deck coating company. It is UV resistant and has held up quite well so far (was applied about 6 years ago). It wasn't cheap though.
Google "waterproof deck coating" and you'll see several products.
JHAP ~~~~~~~~~~ "My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives." ...Hedley Lamarr (that's Hedley not Hedy)
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Joined: Apr 2006
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Ambassador Lunker
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Ambassador Lunker
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thanks guys. ezylman, by membrane do you mean a bitchethane type product? JHAP, did you do something like this?: http://www.rdenterprises.net/waterproof.htm
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Ambassador Field Correspondent Lunker
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DIED, ours looks more like this product. In fact the photo of the grey sample in the lower right corner of the webpage looks exactly like our deck. deck coating
JHAP ~~~~~~~~~~ "My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives." ...Hedley Lamarr (that's Hedley not Hedy)
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Joined: Dec 2007
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Lunker
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Lunker
Joined: Dec 2007
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Not sure on the type of membrane. I haven't had to do it myself, but it is how the contractor did it on my brother's beach house in Galveston. I would assume that any type of membrane that isn't dissolved by contact cement will suffice. You could probably find a suitable product somewhere on the web. I would think that a thick pond liner would be ideal. The wood decking will do a good job of blocking out virtually all of the UV rays. The nice thing about the system is that you can pull up the wood decking every year or so and rinse the membrane off with a hose to prevent buildup of leaves, dirt, etc.
Water dries, rocks crumble, and trees die. The only thing that is eternal is the reputation we leave behind. - Ancient Viking Proverb
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Ambassador Lunker
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Ambassador Field Correspondent Lunker
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12 ac pond in NW Missouri. 28' max depth at full pool. Fish Present: LMB, BG, RES, YP, CC, WB, HSB, WE, BCP, WCP, GSH.
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Ambassador Lunker
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the enclosed porch will have inside walls of this beautiful and cost effective wood lap called "v-rustic". this pic shows the framing for the waterproof deck above the porch. we're gonna use the product in that link i provided above. i'm still skeptical as to whether or not it will hold up over time, our summers are pretty brutal.
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its not roofed yet weissguy, it'l have the same sexy blue roof thats on the rest of the house. or were you talking about the sawhorses?
Last edited by dave in el dorado ca; 12/12/08 07:19 PM.
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Man Dave...you're really turnin' the place inside out. Tell me more about the V-rustic.
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Ambassador Lunker
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its a knotty pine board available in our area. the boards form a v-shaped groove when butted together. i forget exactly the cost right now, but it was on the order of cents per foot and it takes a light deck type stain real nice. can be used for exterior or interior. many folks install it on diaganols or herring bone patterns......guess i'm boring, i liked regular old horizontal pattern.
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Ambassador Field Correspondent Lunker
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It's looking great Dave!
Has it snowed there yet?
JHAP ~~~~~~~~~~ "My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives." ...Hedley Lamarr (that's Hedley not Hedy)
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thanks jhap. gutters and downspouts went on today and carport roof goes on tomrrow in between what little rain we're actually getting (0.6" friday-tuesday ) no snow here, about 500 ft to low, but did get some freezing rain last night, and some ice on roof.
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Ambassador Field Correspondent Lunker
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its not roofed yet weissguy, it'l have the same sexy blue roof thats on the rest of the house. or were you talking about the sawhorses? Sawhorses of course.
12 ac pond in NW Missouri. 28' max depth at full pool. Fish Present: LMB, BG, RES, YP, CC, WB, HSB, WE, BCP, WCP, GSH.
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Ambassador Lunker
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i didnt do it on purpose
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DIED - Progress looks fantastic. Great job.
As for the sawhorses - I hope mine don't get the same idea. I have three pairs already and they are always in the way.
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Ambassador Field Correspondent Lunker
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i didnt do it on purpose Suuuuure you didn't.
12 ac pond in NW Missouri. 28' max depth at full pool. Fish Present: LMB, BG, RES, YP, CC, WB, HSB, WE, BCP, WCP, GSH.
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Ambassador Lunker
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actually one of the carpenters did it wondering if i'd notice. i actually didnt notice until i worked those pics over for photobucket......these are the same guys who adorned my house w/ this: i am blessed. tom cruise gets to see all this for the first time on saturday. "human habitat turned to fruition (and mas questiones)"
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Ambassador Lunker
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BTW, this is what that part of the house looks like now: the new deck is not trex, its a product called Azek......expensive but really nice, should last forever. not supposed to delaminate or stain like trex does. we used Azek tongue and groove for the front porch floor. its niche stuff...no maintenance other than a broom and once a year hose off.
Last edited by dave in el dorado ca; 12/18/08 08:52 PM.
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Ambassador Field Correspondent Lunker
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To say that DIED and DWIED completely transformed the look of thier house is an understatement. The place is beautiful.
JHAP ~~~~~~~~~~ "My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives." ...Hedley Lamarr (that's Hedley not Hedy)
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Moderator Ambassador Field Correspondent Hall of Fame 2014 Lunker
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Moderator Ambassador Field Correspondent Hall of Fame 2014 Lunker
Joined: Sep 2003
Posts: 13,748 Likes: 295 |
Should have left the Flying V on the wall though.
Excerpt from Robert Crais' "The Monkey's Raincoat:" "She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."
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Joined: Feb 2008
Posts: 31
Lunker
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Lunker
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I have seen the use of Cedar trees as support posts both on porches and inside of homes and commercial businesses, but I have not been able to find out details of the best way to remove the bark and how to get the nice finish even though I have searched the web.
I remember that both Bob Lusk and Eddie Walker have used them in their construction, and they both do showcase work. I would appreciate hearing from Bob, Eddie or anyone else on the best way to do this. Any advice on how to best remove the bark, what type of treatment is used, is sanding recommended and should the trees be aged before this is done?
While you are at it, best recommendations for securing the base to the concrete floor. Thanks.
"If it is to be, it is up to me"
10 acre Lake in the middle of 62 acres
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