Questions tagged [deck]

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

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60 views

Floating Dock Framing Length?

I'm planning on building a floating dock and am looking for advice on framing. More Specifically, i'm wondering if anyone knows what the maximum length I can span between two floats? I inherited ...
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13 views

Support beam and posts for a new construction deck

I am in the planning phase for a new deck I am building for my house. I have built a few other decks before but they were rectangular in shape and pretty straight forward. The deck I want to build ...
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2answers
69 views

Using rope & net for deck railing

I'm looking to make a deck railing similar to this idea. 1-1/2" unmanila (synthetic manila) rope, with netting. In case, there will be rope at the top and bottom of the net, but that's beside the ...
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34 views

Deck with hatch to access storage area - thoughts on hatch design

I am doing a free standing deck. ~20'x14'. Current design is 3 beams (3 member 2x12s @ 20') and 2x6 12"oc joists that span 7' between the beams. 3' of cantilever on each side of the end posts. ...
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1answer
324 views

Should I use a plastic moisture barrier underneath a new deck to help prevent rot?

Our deck was 12 yrs old a lot of rot and we have torn it out. My husband is thinking of putting a plastic moisture barrier underneath the new deck. The deck is on a slope and consists of an upper ...
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1answer
46 views

Installing a porch over a concrete patio, issues-concerns?

I am working on a house right now and we are trying to figure out what to do with the backyard. Right behind the house there is a 4" concrete pad. It is about 14'x25' and sits pretty flat with a ...
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2answers
972 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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1answer
74 views

Deck Posts Were Covered With Dirt, Dealing With Rot

One of the inspection notes from when I bought my home was the dirt making contact with the posts on the deck: https://ibb.co/album/ju0n3v I dug out the dirt and it looks like this: https://ibb.co/...
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1answer
89 views

Filling gaps between bricks in pool deck

I am repairing the deck around my pool. Some bricks were loose, so I removed them, ground off old mortar and glued them back. Now I need to fill the gaps between the bricks with mortar, similar to how ...
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2answers
2k 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
76 views

Concrete Deck Falling Apart from Bottom

The concrete deck on my build-in-1937 house seems to be falling apart from the bottom. The deck itself is a 4.5 inch slab connected to the front of a brick house, and by two brick pillars in the ...
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1answer
1k views

Adding a pergola to an existing deck?

I have an existing deck on the back of my house, and I’d like to add a pergola. The deck is 17’ x 16’, and I’d like to build the pergola to roughly match the size and shape. The attached picture ...
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26 views

What kind of caulk should I use to seal up spalling separating from steel porch ceiling

I'd like to do some temporary quick patches to prevent worsening rust and separation of spalling/stucco ceiling underneath a steel outdoor porch/deck. One on the first floor is kinda bad so will ...
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1answer
31 views

Building a Mezzanine Office 2x10s or 2x122

Working on building a mezzanine in my shop for a small office. I am currently trying to figure out the best way to build it. I am thinking 2x6 walls 24OC and 2x10s 12OC. 16 FT Span. Should I upgrade ...
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1answer
103 views

Decking - Shorter Sister Joists for Abutted Boards?

I have an existing deck that I am refurbishing. The deck is only 18" off the ground. The existing joists are in good shape. I would like to use shorter deck boards with abutted ends due to the ...
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3answers
3k views

Grade slopes toward foundation under sloping deck

I have a two-part problem. Problem #1: The grade under my deck has developed a slope towards the foundation of the house. I have begun to get water seeping onto the floor of my finished basement. ...
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1answer
59k views

Which is better for deck flooring: 2x6 or 1x6 deck boards?

My current deck flooring is done with 2x6x10' boards, however they have degraded to the point now where they need to be replaced. I'm wondering if there are any specific pros or cons for using the ...
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1answer
160 views

Please help - wonky post location on pergola - concerned with shearing and stability

So ever since my wife pushed me to move the post off square I've been searching online (periodically for about a month and I've never found someone dumb enough to have done this and had a tutorial or ...
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1answer
375 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
127 views

Covering Trex Enhance Board Ends

I am installing Trex Enhance decking and would like to know how to cover the scalloped profile ends. I could picture frame the deck to cover the ends. How much overhang should the board have before ...
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1answer
63 views

Why can't I remove this trim board?

I'm re-surfacing our deck. On one section where it meets the house, this piece of 1x12 trim had rotted a way on the bottom where it met the deck. I believe it is cedar, which is what the rest of the ...
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1answer
248 views

Can I rough sand a deck before rain, and finish sand after rain dries?

I am in the process of sanding and staining a new deck (built in June) but the weather is not being very cooperative. I know stain needs to sit 48 hrs before being rained on, and that wood needs to be ...
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2answers
919 views

Attach Deck Joists at 45° angle without Hangers

I'm building an octagonal freestanding deck and having trouble figuring out how to attach some 2x6 floor joists to a rim joist at a 45° angle without having to buy angled joist hangers for $6-$11 a ...
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2answers
52 views

How can I replace missing parapet wall “joint caps”?

My home has a fiberglass roof deck with parapet wall surrounding it. The parapet wall is covered in aluminum (at least I think its aluminum) that matches the vinyl siding and color of the fiberglass ...
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3answers
139 views

How exactly do you set these post holders into concrete?

How should you set these bases into concrete? Do you push them all the way down? Or should you leave a gap underneath? If you leave a gap, how big a gap should you leave? It has drain holes on the ...
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2answers
2k views

Keeping outdoor deck stair stringers from splitting

I have a set of pressure treated stairs that lead from ground level up to a wooden deck, providing access from the pool to a water slide (salt water and chlorine). I originally built these stairs ...
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1answer
262 views

Inner deck guardrail posts and deck framing connectors

I am mounting the deck guard rail posts inside the frame before adding the decking. I have used deck framing connection hardware as suggested in the Simpson Strong-Tie deck connection guide. One ...
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0answers
174 views

Leak Under Deck Door and Improperly Sloped Deck

I recently had a deck built on my new house. Now when it rains water enters my basement near my patio door. I've attached a picture of the area that leaks near the door and a close up of the same ...
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1answer
54 views

Elevated Deck over concrete Patio

I'm building a deck over a walkout basement. I want to put a concrete patio below. Can I dig the footers (3 total) to depth of 30" below the frost line and then do a monolithic pore of the concrete ...
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54 views

How to install artificial turf on a fiberglass rooftop deck?

I want to install some artificial turf on my rooftop patio deck. I have seen this sort of installation in several other homes and it looks awesome; it also appears to be installed in place (ie, not ...
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1answer
209 views

Proper Procedures for Regrading Under a Deck?

We have been getting tons of water in our basement during downpours (not regular rainfalls). The water comes in where the deck is located. I ripped up some deck boards and found the soil underneath ...
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3answers
12k views

How should I finish and protect outdoor wooden steps?

My house has a wooden staircase leading up to the front door. It gets a lot of traffic and is uncovered, so its exposed to New England winters. This means snow, ice, ice-melt, sand, shoveling, etc.. ...
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37 views

Hot tub deck construction

I have a deck that is 10’ off the bottom patio. Bands are 2x12. A single band against the house is lag bolted every other joist. The outer band is a double 2x12. Under the span of the hot tub (about 6....
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3answers
69 views

Switch Between Paint and Sealer for Sprayer

I have a Graco Magnum x9 airless paint sprayer. I have only used it for latex paint. I am planning to refinish my deck this spring with a sealer of some sort. Can I switch back and forth between type ...
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2answers
53 views

Can I mix waterbase Behr wall paint with waterbase deck stain/sealer?

I had some clear Waterguard exterior deck stain/sealer which is water-based. I got them a while ago so I cannot return them. The problem is I like to cover the deck with opaque color. Is it possible ...
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2answers
1k views

Azek PVC deck boards with Joist Tape?

I bought the Azek PVC boards from a local store and I am starting to install the boards soon. I am using pressure treated for the frame, the store I bought the board suggested to use "Joist Tape" to ...
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2answers
216 views

Is adhesive to sister a pressure treated deck joist necessary, and if so what kind?

My deck has a cantilever of about 4 feet from the girder to where the stairs attach, and the stairs tend to have a bit of a spring in them when you walk up. I want to solidify it a bit by sistering ...
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2answers
70 views

Hillman “Deck Plus” lag screws

I'm re-planking my deck and shoring up some of the substructure while I'm in there. The beams are side-mounted to the posts like this (from dca 6): This is obviously non-ideal, but is impractical to ...
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2answers
241 views

What happens to outdoor douglas fir if protected but untreated?

I'm building a large outdoor living space in the pacific northwest (Vancouver, Canada) with rafters, purlins, beams, and posts all douglas fir. It will all be covered with transparent polycarbonate ...
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210 views

How can I add a roof over the existing Deck?

I know how to build a cover, I just don't know how to attach it to the existing deck. Something like this:
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54 views

What is the best way to seal between new deck and exterior sliding door?

I've just added a deck to my exterior office. This is the first deck I've ever done, but you can see I got mostly close to the bottom of the door. What should I use/do to seal the bottom of the door ...
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1answer
37 views

Options to refinish deck

Our wood deck is only a few years old, and has taken quite a beating from the weather. We just moved in, and I'm not sure if the previous owners have taken care of it properly. On our old house's ...
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2answers
61 views

What size of posts do I need for an 8' by 10' woodshed?

I need to build a simple fire wood storage shed with roof, size of shed 8 x 10 ft.. I will use some concrete blocks for footing, and 2x8 for framing. My question is what size of posts I should ...
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1answer
468 views

Best way to suspend beam end from cable

I'm about to buy hardware for a treehouse project, and am wondering about the best way to attach 3/8' galvanized cables to a 4x10 PT beam. The cables need to be attached near the ends of the beam to ...
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1answer
79 views

Supporting a glass floor panel as a part of a floating deck

We have built a floating deck attached to the rear of a brick house with a below-grade basement. Now, we have some rear basement well windows that the deck framing is built around. In order to still ...
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2answers
43 views

Can I suspend lights within my property boundaries, above my wall heights on my roof deck?

I have a condo with a roof deck (super awesome). The deck is very large, but is right in between two other decks (we share the same dividing walls) of two adjacent condos. The walls are not ...
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2answers
301 views

Attaching deck beam to side of post

I know that standard deck construction involves attaching the beam on top of the post. On the small deck I am building (4X6) I would like to continue the posts up through to be the rail posts. Is ...
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0answers
100 views

Joist span for grade level deck

I have a sunken backyard concrete patio which is sloped for drainage. The slope reduces usability for sheds, BBQs, picnic tables, etc. The space is approx 15' x 25', with concrete walls on 3 sides. ...
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3answers
25k views

How to install a proper deck ledger AFTER the fact?

We just purchased a house that has a roughly 10X20 deck on the back. It's relatively low to the ground (maybe 1-3 feet high). The house is cedar lap siding. The problem is that the deck was built ...
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1answer
175 views

Deck Sagging - How to fix?

I have a two story deck. I noticed earlier this week the upper deck is sagging. It appears the support beams that were lagged into the 6x6 post have rotted. This is return has allowed the joists to ...

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