For questions generally relating to outdoor, semi-elevated, non-enclosed structures such as decks, gazebos, pergolas, etc.

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5answers
442 views

Do I need to redo this deck or it would be OK to clean it and repaint it?

Do I need to redo this deck or it would be OK to clean it and repaint it ? In my opinion the floor is in bad shape and so are the top rails By law info
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4answers
1k views

Driving screws back into weathered deck

I have a 20+ year old deck behind my home. It's in great shape, but I want to refinish it this summer. Problem is, a number of the Phillips screws have popped up over the years. I have a basic Hitachi ...
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2answers
4k views

What is the strongest way to join a deck joist to a corner joint?

I'm working on designing the support frame for a deck for my backyard. The basic shape of the deck: It's essentially a square with one corner chopped off. The red line is the joist in question, ...
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2answers
117 views

Can I frame over an existing deck with a new deck to raise the level?

I was looking at below photo and realized they basically put the trim joists of the platform on top of the bottom joists / beam. Is that allowed? I thought you have to actually put footings for the ...
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3answers
2k views

can I use a thick coating to fill the gaps between planks on wood deck?

I want to use the space under my deck for entertaining when its raining. What would happen if I used one of the thick bed liner type wood coatings and simply applied it to the decking and also into ...
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2answers
217 views

Rail spacing & Child proofing a deck

For a deck to be considered child proofed, what is the recommended spacing between the rails?
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2answers
14k views

What are the drawbacks of not attaching deck to house?

I am planning on building a small deck on the side of my house where there is no door or window. The level of the deck is below the top of the basement, so I need to drill through the concrete for the ...
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1answer
1k views

How close to plumb to deck posts need to be?

I'm building a deck as the floor of a 30' yurt. Construction is 4" x 6" joists on 4" x 4" posts, on pre-cast concrete pier blocks, on tamped gravel footings. Posts are 20" - 30" long. Lumber is ...
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1answer
55 views

Adding height to an exsisting deck support pole

I have a small 5'x 8' deck platform that is 30" lower then my main deck. I would like to raise that platform to the existing height of my main deck. The platform has 4" x 6" supports set in concrete ...
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2answers
555 views

Is deck joist sistering a sloppy repair?

I have a few bad deck joists that I replaced with new PT joists. These repairs are great. Now I have a few more not too bad joists that will be rotted in a few years. I am thinking to add new PT ...
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1answer
191 views

Freestanding deck - should I use joist hangers or bugle screws to attach joists to the bearers?

I'm planning a freestanding deck in the back yard, and I noticed that in this video they suggested that you could use bugle screws instead of joist hangers. Since I don't have a ledger board at either ...
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1answer
219 views

How to seal seams between wooden deck rails?

A contractor apparently did not a good job on rebuilding my deck and after a couple of months caulking in between wooden moving deck railings doesn't provide any sealing from water dripping into the ...
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1answer
3k views

Can I build a deck close to the ground? [duplicate]

Possible Duplicate: Can I build a deck this low to the ground? Every set of instructions I've seen for building a deck requires me to put joists on top of beams attached to posts. But I only ...
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1answer
58 views

Am I required to use footings when building a deck or can I just have the posts resting on the ground? (Wisconsin)

I want to build a deck for my house but I don't really want to dig holes and pour concrete for the footings. Can I just build the deck on ground level using something like this to support the posts? ...
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2answers
45 views

Nails for deck framing

I was told (as well as read online) that I should use 16d nails for deck framing. However I have been using nails labeled "Grip-Rite 5-lb 16D 3.5-in Hot-Dipped Galvanized Smooth Box Nails" in the ...
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2answers
46 views

Do I need ledger board when expand deck?

I have a deck like below and I want to expand the direction where the arrow shows (sorry for an ugly photo). Do I need to put a ledger board right on the trim joist, or can I just hang the new ...
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1answer
112 views

Can I use two 2x8 beams instead of one 4x8 beam for deck?

I am trying to "optimize" materials purchase when building a deck. So I got two questions: Is two 2x8x16 beams the same as one 4x8x16 beam for deck support? Do I need to bolt / nail them together or ...
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1answer
333 views

What size posts for elevated Kids play house?

I'm building an elevated kid's play house. The raised platform will be 6' - 8' off the ground. The platform will be 8' x 10', the house will take up half of the platform and maybe less. I'm planning ...
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2answers
2k views

Adding rebar to deck footings and piers?

I've heard a few people mention adding rebar to deck footings and piers to make them stronger, but I haven't been able to find any details on how exactly to do this. Is it sufficient to just hammer ...
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1answer
117 views

Does a contract to build a deck need an occupancy clause?

I am replacing an exterior deck. I've had several contractors out to give quotes, accepted an estimate from one, and am now in the position of signing (or not) a contract for the work. It's a lump sum ...
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1answer
694 views

How to fix sagging composite deck railing

I have a composite deck (Fiberon boards with a Trex Designer railing system). The guy that built the deck didn't install any of the crush/foot blocks and now the railings are sagging. He's no longer ...
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2answers
162 views

Using old roof footings for a ground-level deck

I had a 40 year-old, asphalt shingled, hip roof (14x18) over a concrete patio that had 4 posts w/footings that supported it in a line opposite the house. The footings, that are still there and were ...
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1answer
73 views

how do i replace a fence post that was also used as a deck footing?

So I removed the old broken 4x4 post that was for the fence and deck. I have the deck sitting on stone slab after I held it up with a jack. It had two bolts that I had to cut out that are still in ...
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1answer
2k views

How can I secure these inadequate/leaning deck supports?

I am in the process of buying a house. The home inspector noted problems with the deck, most significantly "leaning posts." What would be required to get those 4x4 supports adequately secured to ...
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3answers
2k views

Concrete Footing or Concrete Blocks For Footings

I'm thinking of building a new deck at my new home that I just moved into. It's going to be a two level one. The highest level will be about 3 feet high. I'm not worried about code because its not ...
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3answers
426 views

Do I need a permit to renovate a porch in NYC?

I want to renovate my 2nd floor porch, but I don't know if NYC requires a permit. My house was built in 1901, and I believe a CO is not needed because of the grandfather clause. But if I make any ...
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1answer
7k views

Can I use aluminum or plastic sheeting between decking and joists to waterproof under a deck?

I'm trying to build a deck where I can use the few feet under it as storage space. I'm thinking of using 8mil (or 10mil, if nessacary) plastic sheet or vinyl sheet between the joists and the decking....
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2answers
2k views

What header joist sizes do I need for a loft bed?

I've decided to design and build a king-sized loft bed for our bedroom. Basically, I've got an 80" x 89" frame, 54" off the floor, covered with slats instead of plywood (see image, below). I'm sure I'...
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2answers
2k views

What would a bracket for holding 1 5/8" square post be called?

For stabilizing a handrail post, using 1 5/8" square posts, I'm seeking a bracket shaped like so: Where the U shaped bracket would tightly press the post against a surface. First what might this ...
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2answers
28k views

Can I use these post brackets to attach railing posts on top of decking?

I found a Simpson strong tie product (BC40Z) 4x4 half post base, and it states its intended use is for attaching a 4x4 railing post securely on top of wooden decking. The following picture ...
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2answers
2k views

How do I remedy a ledger board that is pulling away from the house?

The ledger board of our deck is attached with nails only. One side is beginning to pull away. I put in more support posts so it is not separating further. What would be best to remedy the ledger ...
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2answers
11k views

What is the best way to seal my deck?

I Have an outside deck, it currently has a layer of varnish on it, I Think the wood type is Meranti. The deck is exposed to lots of rain and also harsh sun, and the varnish has started to peel. I ...
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1answer
429 views

Outside Ceiling Fan Problems: Light But No Fan

Over the course of the winter, the ceiling fan on my screened-in deck stopped working. The attached light still functions properly, so it is definitely getting electricity, but the fan will not ...
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1answer
390 views

Caulking for deck frame

To seal the seam between a doubled joist or beam, what type of caulking is best? The Home Depot Decks 123 book recommends Alex Plus (acrylic latex plus silicone) while a guy at Home Depot suggested ...
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1answer
31 views

Duplicate/extend outdoor GFCI outlet with above ground PVC conduit?

So I am in the final stages of a deck rebuild, and at the last minute thought about a slight change. To the right of this photo you can see an power outlet on the wall, currently has a yellow ...
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1answer
34 views

Where is the ledger supposed to attach to the rim joist?

If you look at the pic there's a gap right under the door way, about 5 inches deep and high. The rim joist of the house is halfway behind the brick and the other half is exposed right under the door. ...
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1answer
50 views

Fix the big crack on wood post

We moved in a house at Dallas area and the wood post at my deck has a big crack in it, I read some post that it is normal, but if I don't treat it, will it keep cracking. Thanks a lot of any ...
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1answer
48 views

How much extra decking to order to allow for offcuts

I'm ordering decking for my deck and I'm wondering how much extra I should order to allow for the variation in length of the supplied decking? For example my deck is 4100 x 4500 and the decking timber ...
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2answers
306 views

Add slope to existing flat porch/balcony

I have a patio attached to my house (like in the image below) As you can see, it is covered and over my garage. Although it is covered, it still gets rain and snow on it and, unfortunately, the top ...
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1answer
196 views

Attaching a deck ledger to the concrete pad of a detached garage

I am building a deck between my house and the garage. I will support the deck on one side with a ledger on the house and plan to support the other side with a ledger on the garage (with requisite ...
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3answers
99 views

Stain a half stained deck

I now own a deck where the previous owner (for some reason) stained half of it a year or two ago (they did mostly the inside). I'm lucky to have the same product that was previously used. If I stain ...
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1answer
476 views

Corner post for flush beam deck

I'm replacing my deck. I would like to use a flush beam (same level as joists) at the edge opposite the ledger because I plan to put a roof over it and I can put the roof posts right on top of the ...
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3answers
553 views

Should I build a deck over my existing concrete patio or other?

I have a very challenging, small, north facing, graded back yard. The lowest portion of the yard is totally unusable. Attached to the house is a small concrete patio slab that at the highest point is ...
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1answer
382 views

Mounting plumbing to existing outdoor deck. What kind of pipes and fittings should I use?

I'd like to install some plumbing underneath my deck to facilitate running a hose on the deck via quick disconnect couplers. My preference is to run schedule 40 PVC pipes underneath the deck. There ...
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1answer
85 views

How can I construct a lightweight privacy panel 3-4ft high by 8ft long or thereabout?

I have a two-story deck with the upper part on the roof, and I lay on top to sunbathe. The top was surrounded by a fence, but after installing solar panels close to the deck I removed a large part of ...
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1answer
793 views

How should I attach a pergola to my rooftop deck?

I know my sketch is pretty rough but I want to add a pergola like this to my rooftop deck. I obviously can't sink the posts into the ground. What is a recommended way of attaching the posts? I was ...
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3answers
3k views

Can I use Murphy's oil soap to remove pine sap from composite decking?

Does anyone know of anyway to remove pine sap from composite decking? I saw some posts that recommended using Murphy's Oil Soap for removing it from wood decks. How to Remove Tree Sap from a Wood ...
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1answer
734 views

Should I use silicone caulk on the side of a deck ledger?

I have a deck ledger attached to the rim joist (the vinyl siding was cut away), and some flashing above the ledger. On the side of the ledger there is a gap between the end of the 2x10, and the ...
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2answers
311 views

Ledger larger than house rim joist

I want to attach a 2x12 ledger to my house, but looking at the rim joist of the house it seems to be a 2x10 sitting on two 2x sill plates. Is it a problem attaching the 2x12 ledger to the 2x10 house ...
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2answers
101 views

Will a mixture of acrylic and oil stains dry?

I mistakenly mixed acrylic and oil stains. While difficult to apply, it does look nice. Will it dry?