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

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2
votes
1answer
344 views

How can I restore the color of my Trex deck after sanding?

We have Trex Deck on a screened in porch. I resorted to sanding a couple of spots to get rid of stains, left when the cat upchucked his food. Now those spots are darker than the rest of the flooring ...
4
votes
1answer
2k views

Do I need to do anything at the base to support deck steps?

I want to add some wood steps off my wooden patio deck (which is in Iowa). The deck surface is around 30 inches above the ground, in which the steps would go from the ground to the deck. At the ...
0
votes
1answer
180 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 ...
2
votes
3answers
164 views

Is a porch just a deck with a roof?

I'm thinking about building a back porch but I've never had experience with such a big project. I'm finding plenty of books and documents on how to build a deck but very few about building a porch. Is ...
1
vote
2answers
1k 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 ...
1
vote
2answers
672 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 ...
2
votes
1answer
105 views

Can I bolt over an existing ledger board?

I am rebuilding my pergola and all that remains of the previous structure is the 2x10 ledger board, which is bolted through the fascia into what I assume must be the brick wall behind.Taking the thing ...
1
vote
2answers
1k 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 ...
0
votes
1answer
194 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 ...
1
vote
1answer
404 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 ...
2
votes
1answer
72 views

Can 6x6 Glue Lamm Post be installed on the exterior and be exposed to the weather?

Can I use a 6x6 glue lamm post as a support post for an upper deck and can this type of post be exposed to the outside elements (rain, snow, etc..)
4
votes
2answers
1k views

How can I build deck stairs flush with the end of the deck?

I have a deck design where I want stairs coming down perpendicular to the joist starting at the end of the joist. You can see the picture as a generic not to scale drawing of what I mean. I had ...
1
vote
2answers
15k 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 ...
4
votes
4answers
123 views

How do I use hidden deck fasteners without compromising the integrity of the flashing?

I am using hidden deck fasteners which screw in to the joist and then hold the board via a notch in the side of the board, pretty standard I think. This fastener will sit on the ledger to hold the ...
4
votes
4answers
5k views

What type of lag bolts should I use for a deck?

I am looking at galvanized lag bolts (for the ledger) and carriage bolts (for attaching the beam to the post) for a deck. I can't find "hot-dipped galvanized" bolts/lag screws only galvanized. Is ...
9
votes
5answers
14k views

Do I need to sand my entire deck before staining?

I recently cleaned my deck using Behr deck cleaner and want to re-stain it before the winter. Do you recommend sanding the entire deck, or just the affected areas where the stain has come off? I was ...
3
votes
2answers
98 views

Dimensional treated yellow pine lumber, non-standard widths?

I ordered lumber from Lowes for building deck beams, but now I realize after putting up the beam that while they are all level, the boards are of slightly different widths. Of the 2x10 boards I had ...
1
vote
2answers
166 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 ...
3
votes
1answer
167 views

How can I improve this deck ledger and the flashing around my ledger?

I'm planning to replace the current warped ledger board with a new one new using galvanized lag bolts. How can I protect the exposed black paper and OSB between the two vents? Is more flashing ...
5
votes
1answer
2k views

How do I keep my corner pergola from wobbling?

I am planning to build a corner pergola over my deck. Pergola is 8ft long from the corner on either side forming a triangle on the top. I have used four 4x4 posts (8 ft) attached to the deck headers ...
2
votes
1answer
129 views

different sizes for joists on a deck

I am building a deck. One section of the deck will come out from the house 4 feet furhter than the rest of the deck. This pushes my joist spans to the next larger size. This part of the deck is ...
1
vote
0answers
295 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 ...
1
vote
2answers
99 views

Rail spacing & Child proofing a deck

For a deck to be considered child proofed, what is the recommended spacing between the rails?
0
votes
2answers
959 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 ...
2
votes
1answer
1k views

What should I do on the sides of a deck ledger?

I plan on hanging my ledger board similar to the picture described here. I am going to be bending coil stock for the drip cap and the Z flashing. The diagram though doesn't depict what should be ...
4
votes
3answers
335 views

Why do decks and porches have cracks between the boards?

Is there a functional reason, like helping with rainfall or snow, or is it more of a cost issue? Are there decks that are solid pieces of bonded wood?
2
votes
2answers
432 views

How do I attach plywood over 2“ x 6” deck boards in preparation for a waterproof cover?

My two decks (12'x26' and 12'x14') are in good shape. Minor rot has been repaired. I am applying 5/8" Tongue & Groove plywood over the 2x6 deck board as a base for 68 mil vinyl covering. I know I ...
3
votes
2answers
4k views

Can I reasonably build a pergola on top of an 8'x12' deck?

I've been having trouble coming to a conclusion on whether I can reasonably build/mount a pergola to my existing 8'x12' deck. The main issue is I can't attach it to my house because of the roof ...
1
vote
2answers
14k views

What will happen if I try to apply paint/stain to damp wood?

I'm 1000 miles away from home working on a deck for a family member who recently suffered a stroke. He's recovering, but for the time being he's very unsteady on his feet. The deck in question had a ...
3
votes
2answers
254 views

What would be the ramifications of applying a semi-solid oil based stain on a virgin 4 yr old pressure treated pine deck?

We had our deck built of pressure-treated pine in 2009, and left it completely untreated up until a couple weeks ago. This is in south-eastern Minnesota. So far, I've power-washed (and a week later, ...
2
votes
2answers
428 views

How do I interpret the American Wood Council's Design for Code Acceptance table of cantilevered joists?

In designing a deck I've been looking at this Deck Construction Guide (PDF) Table 2 lists the max joist spans (Lj) for joists that are cantilevered by a maximum of Lj/4. How do I calculate Lj/4? For ...
3
votes
2answers
87 views

Can I use the Simpson Strong Tie EB-TY product with ChoiceDek?

I want to use the Simpson Strong Tie EB-TY hidden deck fasteners with my ChoiceDek decking. The decking is 1 inch thick and has slots in both edges. I am looking at the EBTYLC product in particular ...
4
votes
2answers
3k views

What should I do about deck footings near the house?

I was going to build a free standing deck at the back of my house. The first set of footings would be 1'9" from the concrete basement/foundation for the house. The house is a new construction built ...
5
votes
3answers
1k views

How soon can we stain a freshly-sanded deck after it got drenched in the rain?

My family and I are refinishing our deck. We live in area with wild weather so, even though it called for a week of sun, immediately after finishing sanding our deck (to a very beautiful underneath) ...
2
votes
1answer
2k views

How should I build large concrete footings for my deck?

I live in Howard County Maryland. You may find out deck guide useful for this question, although probably not needed. It requires 18 in diameter footings 30 inches in to the ground and must be 8 in ...
1
vote
2answers
84 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?
2
votes
4answers
51k views

How long should I wait before painting or staining pressure-treated wood?

My husband is installing a new deck with pressure-treated lumber at our home in Tennessee. How long does he need to wait to paint, or should he stain the deck now?
7
votes
2answers
717 views

How should I attach a deck on the corner of my house?

I am building a deck on a part of my house where it will go up agianst two sides of the house (see picture). I know I'll have a ledger on the longer side of the deck (below the two windows) but do I ...
2
votes
4answers
387 views

How can I hold a nut underneath a deck with no clearance while screwing a bolt into it?

I have an existing deck with composite wood planks. My kids bought me a gazebo for my grill that I would like to bolt to the deck. Is there a tool I can use to hold the nut and washer in place under ...
0
votes
2answers
656 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. ...
1
vote
2answers
6k 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 ...
4
votes
2answers
2k views

Does a deck band board go over or replace wall sheathing?

I can't find an existing question that completely addresses my question, so here goes. My outside deck was recently rebuilt by contractors selected by my HOA. The deck is effectively on the second ...
4
votes
2answers
16k views

How should I build the concrete footings for my deck?

I plan on making a small deck and I live in Howard County Maryland. The deck code here says that the concrete footing must be 30 in below ground level and have a thickness of at least 8 inches (i.e. ...
5
votes
3answers
21k views

Should I finish staining my half-stained deck with rain coming?

We were supposed to have two weeks of perfect weather conditions so I started the process of staining my deck, I cleaned it, sanded it and yesterday applied the first coat to half of it. Now the ...
5
votes
3answers
42k views

What is the process for power washing and staining a deck?

I am planning to power wash my deck and stain it afterwards. But I am not quite sure the correct procedure for this process. After power washing the deck, can I stain the deck immediately or should I ...
5
votes
4answers
20k views

Do deck coatings work as claimed?

Home improvement stores have been stocking products in the paint section that appear to put a thick coating on the deck boards, giving them the appearance of synthetic decking. They claim to offer ...
6
votes
1answer
13k views

How can I attach a ledger board to my house?

Spring is here so I finally started to take measurements for materials I will need to build a new deck on my recently constructed home. I just realized that this isn't going to be quite so simple as I ...
6
votes
1answer
587 views

What is a good strategy to support this deck?

I am planning a potential DIY job for a new deck that I want to put on my house. This is roughly what I think we want The house is roughly 36' long and the garage roughly 22'. The door from the ...
7
votes
3answers
2k views

How can I frame this multi-level deck?

I'm designing an addition onto my existing deck (the existing deck is not pictured below). The addition will be roughly 20' by 15', and I'm planning on making a portion of it a single step lower. ...
2
votes
1answer
406 views

Is flashing required to attach a landing to the exterior of a house

I will have a landing running from the back door, then four or five steps to ground. Do I need to place metal flashing where the landing attaches to the house, or some other means of protecting the ...