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

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3answers
241 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
6k 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 ...
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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 ...
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2answers
1k 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
22k 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
1k 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
9k 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
381 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
363 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
82 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
235 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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1answer
192 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
64 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
526 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
2k 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
587 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
236 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
94 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?
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1answer
2k views

Can I turn a 4 X 4 deck post, eight feet high, into a 6 x 6 post by laminating a 2 X 6 and 2 X 4 to it?

My mother-in-law has a deck 8 feet off the ground that is is built with 4 X 4's for support, with only one notched 2 X 6 rim joist on the outerside of the deck which also supports the 2 X 6 joists ...
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1answer
353 views

Is clorox outdoor + jomax safe on vinyl decking?

I used the recipe suggested in this question to successfully clean my vinyl siding. Its a combination of Jomax, Clorox outdoor, and water. I'm wondering if this solution will work fine on my vinyl ...
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0answers
22 views

Deck Ledger with Manufactured Wood Joists

My house came with a second story deck added by the previous owner. The ledger is attached directly over the stucco and is attached to a 1/2 in plywood band board with deck screws. The band board ...
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0answers
44 views

If I'm attaching a freestanding deck to cement landing, is it ok to have it sloped and not perfectly level?

When I took the original measurements of the step height, I didn't take into consideration the sloping cement landing areas off the last step. So my deck height, plus the 1" decking board is about ...
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0answers
79 views

Building an 18' x 8 foot free standing deck with pergola

My plan is to build an 18 x 8 foot free standing deck at the front entrance to my home. Then add a pergola over the entire deck. My area is sandy soil. No underground utilities in the area I want to ...
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0answers
20 views

Restaining a deck after scraping, prime with oil base?

We have scraped and washed our large older pressure treated deck which had originally had an oil based semi transparent stain, but now has a latex solid stain. We have always followed our paint stores ...
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0answers
37 views

How do I properly prepare a deck for repainting?

The deck at my house is peeling (and showing at least one previous paint job before the last) and I want to repaint it. I was wondering the proper technique to prep the deck for the paint. I know from ...
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1answer
432 views

DIY Deck Stripper Formula

I'm stripping latex off my second story deck (8x38). I've stripped approximately a 12x8' section using 2 gal of Jomax Stain & Finish Deck Stripper. (This should have been enough to do 200 sqft ...
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2answers
411 views

Should I notch deck posts?

My neighbor's elevated deck is supported by 2 6x6 posts connected by 2 2x10 boards. The posts are notched so that the 2 boards are sitting side by side in the notch and are bolted to the post (L ...
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0answers
289 views

What kind of patio flooring is safe to use on top of a rubber-treated balcony?

I have a balcony that is treated with rubber, it looks similar to a rubber roof to me, as is shown in the picture below. I am wondering if the IKEA SKOGHALL decking can be used safely with it: it ...
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1answer
99 views

How can I convert an enclosed deck to an open deck?

I have an enclosed deck that is basically worthless. It has a metal roof and bakes in the summer (and spring and fall for that matter) making it way too hot to use, and leaks in the winter (and ...
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0answers
436 views

Sanding vs power washing vs chemical cleaning wooden deck for restoration

There seems to be various methods for cleaning and preparing a wooden deck for restoration. Some how-to's that I have read strongly advise against power washing. Some sources suggest a combination ...
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1answer
37 views

2x6 deck joists: salvageable or need replacing?

We have a roughly 10x30 elevated wood deck off the pack of our house. The joists are all 2x6 16oc. The posts are 4x4 and are holding up a beam that the joists hang off of with joist hangers. I feel ...
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1answer
2k views

Do I need concrete footings for a free-standing deck

I want to build a free-standing deck (no ledger board) which is only about 6 inch over the ground. The deck size is 22 X 14. After that I'm planning to put a metal permanent patio cover (20 X 14 x ...
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1answer
96 views

deck railings: alternatives to 4x4 posts?

I'm working on a deck with a lot of level changes. Using 4x4 posts for the railing is undesirable because it'll look rather clunky. I am wondering if there are any examples someone can point me to ...
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1answer
109 views

Glass deck above basement addition [closed]

We're planning to expand our basement underneath our deck and would ideally like to cover this section of the deck in glass as in this photo. (Posted: Wear skirts at your own risk!) Our architect ...
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2answers
824 views

How do I support a deck that spans a driveway? [closed]

I am planning to reinforce my deck, as it is has a lot of sway, and was built with 12' 4x4s, and not 6x6s. The deck spans my driveway, which is the width of a two car garage, so a fairly decent span. ...
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1answer
3k views

What is the proper deck footing depth in Connecticut?

I'm moving a deck footing for an existing deck, the current one is in the wrong location and it's too small. What is the proper depth in Connecticut in order to ensure that it doesn't suffer from ...
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1answer
278 views

Preparing a deck & playset for re-staining

The question asked here is pretty much similar to mine except that there are few splinters and chipped wood on the deck. How to smooth those out? Also there is a kid's play structure (with steps and a ...
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1answer
15 views

Deck joists and ledger gap

Sorry if my terminology is bad, I tried to pick up some of the terms and do some research in the ICC before posing the question here. I've got a contractor replacing a deck for me and I noticed that ...
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1answer
57 views

can a 2x4 withstand 200lbs out pressure on the 1.5" side? [closed]

I need to know if I cut a 2x4 at 42", which will be down the side of a 2x8 by 7 inches, carriage bolted at 2" and 5" below the surface of the deck, bolted through a 2x8 (1.5" thick), that will extend ...
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2answers
107 views

Should I use a stripper or sander to remove paint on my deck?

I have a deck that's maybe 10 years old and the previous owners used paint instead of stain. I want to remove the paint and I already started with the Behr Premium Stain and Finish Remover, but it's ...
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2answers
159 views

After staining a deck how long until rain is no longer a concern?

I want to stain my deck with an oil based stain it is to be hot and sunny all day today 85 for a high and has been dry for last 3 days tomorrow's forecast say 70% chance of rain should I do this or ...
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2answers
1k views

Deck posts - set in concrete or use anchors?

I'm planning to build an elevated deck. I was going to dig the holes for the posts, put them in and set them in quikrete. I've done this for a fence and I'm comfortable with the process. A deck ...
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2answers
142 views

Putting PT Piers in Ground

I'm building an attached deck and have already buried precast piers in the ground. Unfortunately, I had to dig so deep that the tops of the piers are below finished ground level. I'd rather not bury ...
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3answers
80 views

What is the best covering for a redwood deck to keep the wood's character?

I am installing a new 2000 sqft deck, in an urban home. It will get intense sun, need low maintenance. The builder wants to cover all 6 sides of each board. Is this realistic or even cost effective ...
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1answer
489 views

How do I correct free-standing deck moving away from home?

I have what is primarily a free-standing deck (18x22) in the back of my house. I say "primarily" because I did nail into the ledger board underneath my glass sliding door, but only there. The rest ...
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1answer
191 views

How to remove old plastic pool deck sleeves

How to remove old plastic pool deck sleeves. 1 1/4" hole in concrete. Sleeve is 4" deep. Broken at the top, no flange left on top.
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1answer
2k views

Can I dig up next to my foundation to add height below my deck for storage?

The previous homeowner had a deck. Then he enclosed it. Then he dug out underneath it about 3-4 feet, cut into the foundation, and put a door from under the basement to under the deck. It's about 7ft ...
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1answer
285 views

How do I plumb LP gas lines for multiple things? Tiki torches, grill, smoker

I am an experienced DYIer and am starting my research on building my deck. I would like to plumb it for eight tiki torches, a grill and a smoker. I have experience plumbing gas, I plumbed my last ...
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1answer
273 views

How can I attach a 2x to a deck joist to give more room for stair stringer?

I am attaching stairs to a deck coming perpendicular off of the joist. To attach the stair stringers to the deck I need to add a 2x6 below the joist so the stair stringer hanger can attach to it. I ...
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1answer
2k views

How can I build my own deck canopy?

I'd like to build my own deck canopy, and not purchase those retractable awnings that don't seem to last so well out here in Colorado (can be very windy). I have the 'basic' idea in my head but are ...