Questions tagged [deck]

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

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2answers
402 views

Should I bleach my deck or just power wash it?

I am planning to power wash my deck and stain it afterwards. But I am confused with most of you saying Bleach it, one says NO WAY! My deck was built in 1987 as pressure treated lumber 2" thick vs. ...
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1answer
555 views

How do I introduce slope on a rooftop deck?

I recently purchased a 1937 house with two decks on the upper floor. One of the decks has a draining issue. While hosing it off, I noticed that a small puddle accumulates near the middle of the deck. ...
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0answers
221 views

How do I support a deck-style floor in crawlspace?

This question is kind of a follow-up to the one asked here: how-should-i-add-flooring-in-my-crawl-space. My crawlspace is exactly as the one described. Basically my house is on a slope and have a ...
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3answers
178 views

Paint or Stain a repaired deck

I need help deciding to paint or stain my deck. About a year ago, a tree fell on my deck and half of it had to be rebuilt. The deck builder suggested letting the wood weather for a bit before ...
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1answer
9k views

Do I need to sand my new pressure-treated deck before staining it?

I just got a deck built and pre treated wood was used. Do I need to sand it before I stain it? I live in San Antonio, Texas
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2answers
78 views

How do I protect people walking around my deck from banging their head on this overhanging platform?

Below is the picture showing the platform that I am talking about The plan is to have the barbeque under that so that aspect is taken care of. Probably a plant toward the house end of that underneath ...
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2answers
11k views

How can I extend my deck posts to support a pergola?

I am looking to extend my 4x4 corner posts on a deck to build a Pergola over top of the deck. I also plan on sleeving those 4x4's with a composite sleeve for the full length from the 4x4. So the ...
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0answers
71 views

Building a deck: can you shift the load points?

The reasons for the below design are: -I want to place the stairs adjacent to the wall -I want to use the deck posts as rail posts as well -this is replacing an old deck and I do not want to dig new ...
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2answers
247 views

For deck stairs adjacent & parallel to the house wall do I need handrails on both sides?

For deck stairs adjacent and parallel to the house wall, do I need handrails on both sides?
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0answers
301 views

Is it OK to seal the top side of a deck concrete footing?

This is a follow up for this question Deck footing 2" above the ground -does that apply to a patio? What is the reason behind the 2" restriction? I decided to have my concrete footing under ...
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1answer
2k views

Installing an adjustable deck post support-what is the correct way to install the support?

I am trying to install these in freshly poured concrete (sonotubes) What is the correct way to install the support and what are the pros and cons for each one of them The other option is this. I like ...
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1answer
136 views

Do I need hidden decking fasteners on both sides of a joist?

I am thinking about using the below fasteners with wood planks. Do I need them on both sides of the joist? Update: Deck framing layout below (height is 46") House located at the south east corner of ...
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2answers
97 views

Is the powerwashing the subcontractor did on our deck “good enough?”

Our family is trying to repair our deck. Prior to any sort of staining, of course, it was necessary to clean it of first. Afterall, the entirety of the structure was gray, and now it actually looks ...
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175 views

Removing excess Decking Oil

I have oiled my decking for the 1st time yesterday and on checking it today there are patches where I have applied too much and these patches are shiny and sticky. Whats the best approach for removing ...
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1answer
408 views

Drilling rebar hole in 12" concrete footing

My deck has 6"x6" wooden support posts sitting atop 12" diameter concrete footings. The tops of the concrete footings are about 16" above grade. When I inspected a little below grade, I discovered ...
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0answers
531 views

What to do about rotten sheathing behind deck ledger

My deck and patio door were improperly flashed. I've discovered that the osb sheathing between the ledger and the rim joist is rotten. Assuming the rim joist is still sound (I've not yet confirmed ...
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1answer
2k views

Deck footing 2“ above the ground -does that apply to a patio? What is the reason behind the 2” restriction?

I am doing the design of a deck footing and in many places where I read it says that the footing (sonotube) should be set with the top end terminated 2" above the ground level In my case I am ...
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2answers
1k views

Do I need joist hangers for deck frame on gravel pad? What is the nail size?

I am building 12'x14' detached deck in backyard and away from the house. Frame will be of pressure treated wood sitting on gravel pad. Essentially a rectangle build of 4x6 with one 4x6 in the middle ...
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2answers
3k views

How should I repair this poor deck rim joist connection?

Still working on a deck rehabilitation, and I ran into another interesting problem. When building the deck, rather than trimming the siding corner cap, some genius decided to simply build around it. ...
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1answer
14k views

Will 2x10 13'6" span support outdoor bbq?

I am building a deck and will have 2x10 joists. I want to put a BBQ that unfortunately will run parallel with the joists, so the last two joists will support the full weight of the BBQ distributed ...
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2answers
332 views

How Should I Block a Diagonal Deck?

My deck has a diagonal decking. To attach the decking to the ledger side of the deck, 2x4 blocks were screwed directly to the ledger. I'm trying to improve water flow from the ledger. I'd like to move ...
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1answer
681 views

Double joists separating on outside edges of deck

My deck has double joists on the east and west edges that seem to be separating. I imagine water is getting into the space between them and prying them apart. This deck is located in Minnesota. In ...
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3answers
5k views

New deck pops and creaks after 2 winters. Water seal applied to top side. Can it be fixed?

We bought a brand new house in 2015. Fall of 2015, we put Thompson's water seal on the top of the deck. I am learning that this was a mistake and it should have been applied to ALL sides of the deck ...
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0answers
206 views

What is the best way to excavate the ground for a ground-level deck?

I am building a ground level deck. We have a bilevel, so our house is on a slab at the ground floor (no basement). There is about a 15° grade away from the back door to the yard. I have all the ...
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1answer
254 views

Lightweight lumber or lumber alternative for building a 6'x7' portable privacy screen?

I'm planning to build a privacy screen to be attached between two posts of the pvc railing of a composite deck. I want the attachment to be temporary so that it can be removed and stored during winter ...
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0answers
1k views

How to attach a deck ledger board to a house with no rim joist

We are building a deck, and the whole time so far we have been planning on attaching the deck to the house via a ledger board. After stripping the siding and insulation foam board, we discovered that ...
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1answer
408 views

Should I remove the 2x4 between the joists of this deck?

I'm working on replacing the decking on an existing deck. While removing the old decking, I came across something I've not seen before. I've seen decks framed as illustrated below, where members are ...
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1answer
748 views

How to frame the side cantilever joist for deck?

As the below picture, is the rough blue print of the 12'6" x 12" deck for my new house. Following the code, all joists(blank rectangular) are 2 x 8 16" OC, the blue rectangular is the beam, and gray ...
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1answer
74 views

Deck or Patio - Landscape Design Opinions

My house has a nice backyard and I want to put on a deck or patio. Currently I have a covered side porch that is about 2-3 feet off of ground level in the back. My debate is whether to ask for a ...
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2answers
84 views

What length of posts do I need to get a deck 5 feet above ground level?

I've read that deck posts have to 4ft underground to get past the frost line. With a 6' x6 [ed: not sure if this mean to refer to 6x6" or something else?] which means you only have 2ft above ground. ...
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1answer
755 views

Can I use construction screws to pull together bowed joists?

I am building a small (14'x12') detached deck to be placed directly on the ground with some gravel under it. I am using 4x6 pressure treated boards (UC4B) for outside frame. I intend to use 6" ...
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1answer
44 views

How main bars are placed in this picture? Paralle to traffic or perpendicular [closed]

In a deck of simply span bridge of 24ft length and width of 34ft
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1answer
904 views

Protect Old Deck Posts In Soil

I have a deck about 16x16' and about 4' high. It has 3 8x8" posts cemented into the ground. I am guessing they have been there since the house was built in 1990. The posts are cemented in and ...
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1answer
92 views

How should I redo my patio under my deck?

I have a patio composed of large concrete pavers (roughly 2' x 6') (edit - more likely sections of poured concrete) - I would guess it is at least 10 years old if not much older. My second story deck ...
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1answer
49 views

How to keep water away from house from new concrete pad?

I am planning to build a concrete pad under my deck (8-10' clearance). I am concerned about water dripping down through my deck and collecting against my house. What tips/steps should I take to ...
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1answer
194 views

Connecting UF wiring for under deck lighting to an existing NM exterior light switch

I plan on installing LED lights under my dry-below deck using 14-2 UF Romex. Can I connect the UF wire to an existing exterior light (NM Romex) that is switched from inside the house? If not, do I ...
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1answer
211 views

Screws used for deck - how to replace?

I bought a house with large raised deck, and the home inspector told me that I need to replace all of the screws with no shear screws, and that since they used screws originally, I cannot use nails ...
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0answers
4k views

Rotted rim joist behind deck ledger board

Background Over the past week I've ripped up the old decking and railings on our 12x15 deck, and installed new railings and all but the last two boards. Noticing that there was no ledger flashing, I ...
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1answer
12k views

Deck Stairs on Uneven Ground -

How do you recommend putting in deck stairs on uneven ground? I have significant slope in both directions - 8 inches sideways across a step and 3.5 inches down the steps. See attached drawing showing ...
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1answer
3k views

Double rim joists on deck

I'm replacing a deck. Its goes out 12' from the house and 24' along it. Should the outside joists be doubled? (2 boards side by side) I'm using 2x10's for the joists. 2x8's are right on the edge for a ...
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1answer
450 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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2answers
105 views

Awning materials for deck under dirty trees

Our second-story deck is underneath some weeping Cherry trees and Birch trees, which drop cherries, pollen, twigs and junk 3/4 of the year it seems. I want to put an awning over the deck (there is ...
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2answers
314 views

Preparing a deck for staining

I have an old deck that was stained 3 years ago. Some of the stains have come off and the deck does not really look good (living in Canada with too much snow and temperature changes, I don't blame it!...
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1answer
648 views

How to attach deck when ledger board will be too low?

I'm building a (low) deck, and the siding is brick. I don't think attaching ledger board to brick siding is a good idea, it's not structural, even if I drill all the way through the brick, air gap and ...
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0answers
179 views

Melting snow on the deck leaked into the house. Is my deck flashing incorrect or insufficient?

Last fall I had a small deck built to replace three masonry stoops that were falling apart. The sheathing behind the stoops was not flashed and was rotting. The contractor did a good job as far as I ...
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3answers
172 views

What type of fasteners should I use when replacing exterior deck boards?

I have a wooden walkway that leads from my deck down to my pool. Some of the boards are rotten and I want to replace them. Is this a project for a Nail Gun (which is how everything is currently put ...
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1answer
4k views

How Can I Correctly Attach new 4x4 Deck Rail Posts on the surface to an existing deck?

The previous 4x4 deck rail posts were notched and attached with nails on the outside of the deck. We have replaced many deck boards (2x6 pt) and want to replace the railing using 4x4 rail posts. We ...
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0answers
212 views

Staining a Pressure treated deck

I installed a PT Deck in June. Wanted to get protection on it before winter set in, so pressure washed it & let it dry 1 week. I then stained it with a quality semi-transparent oil based stain. ...
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1answer
4k views

Sand deck or do not sand deck

I just power washed my deck because I need to restain. In some places there is no stain and in some places the stain is still on. The power washing did an excellent job removing dirt. I have read ...
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2answers
578 views

How do I repair deck sloping on one side of the house?

I'm in Jonesboro, GA. My deck is about 3 ft off the ground. I have a crawl space. The deck is leaning/sloping down from the house on the left side. I looked at many youtube videos and found the ...

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