Questions tagged [pergola]

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How do I get my deck to drain into the gutter instead of dripping?

I have a metal pergola with slated roof. When it rains moderately the water from the slats falls directly down instead of draining into the gutter. looking for some solution to fix this so all water ...
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Should I seal western red cedar post ends?

Building an 8x8x8 pergula using TojaGrid brackets, which encase the ends of posts. Never worked with cedar before. Located in NE Ohio, which gets a lot of rain and snow. Bought the 4x4 cedar new last ...
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1 answer
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Identify these aluminum parts?

Today I saw an aluminum structure that’s used as a carwash. It’s a very rudimentary drawing, but this is what it looks like: These are the two parts: one’s a base leg and the other connects the leg ...
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Size of lag bolts for pergola and advice on joining beams to posts

I am planning to build a pergola, and I have a 6x6 post, and on each side I plan to notch in the 6x6 by 1", then use two 2x10s crossbeams. I am trying to determine which screws I should purchase. ...
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Adding a pergola to existing deck, post anchors?

I have an aging cedar deck I'd like to add a small pergola to for use this summer, maybe next, before I replace the deck with something new (probably composite Trex). I think I have a simple design I ...
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Pergola Material for Desert Climate

I'm building a roughly 12'x12' pergola on a concrete slab in my backyard in Las Vegas. Planning on attaching to house via ledger board. 6x6 posts will be set on metal post bases attached to concrete ...
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1 vote
1 answer
125 views

Will I have any issues with 16 ft 2x6 Sagging in the middle for 13 x 16 Pergola

I wanted to know if I would possibly have any issues with the Pergola Sagging for the 2x6x16 Girders? I plan on purchasing Premium Redwood and Mount the girder with 10 Inch Carriage Bolts on 4x4 ...
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What beam size for a pavilion with roof on this pergola?

I am designing a pavilion roof that will replace the pergola that we currently have. I plan to strip down the pergola roof to just the posts, then rebuild from there. I will place beams to sit on top ...
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How should we complete this laminate installation?

Problem I purchased some pergo gold underlayment and pergo waterproof laminate flooring and installed it in the kitchen with my brother. This was our first time ever installing any type of flooring, ...
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1 vote
4 answers
644 views

How can I build a pavilion without knee braces?

I am interested in building a 16'x14' pavilion in my backyard and I am just starting the research and design process. I'm interested in a modern-looking pavilion. I'm also interested in not having ...
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2 answers
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Pergola pier anchor bolts too high for new post base standoff

I have a cedar pergola that a contractor built for me 10 years ago. Recently I found carpenter ant damage to the posts, and previously posed the question here as to whether the posts were still ...
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1 answer
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Need help evaluating damage to pergola post

I have a 10-year-old cedar pergola (see picture) and I just discovered some moisture and carpenter ant damage in the base of posts. The damage had been hidden beneath decorative base caps. I scraped ...
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Outdoor swiveling pergola slat design

I'm in the midst of putting my pergola together. I have a general sense of how it comes together, but I'm trying to figure out the best way to handle a special feature I want my pergola to have: ...
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1 vote
4 answers
198 views

Joining 2x4 to 4x4 base: angles or regular wood screws?

I'm building a wall-mounted pergola. It will look something like below. As you can see, the two horizontal 2x4s will be attached to the 4x4 bases. I was considering using these types of angles (one on ...
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1 vote
2 answers
175 views

Is it a problem that my post bases overhang the footing edge slightly?

I am building a pergola, which will be supported half by the garage with a 2x8 ledger board and half on 3 posts. I poured the 3 footings, without thinking too much and they only had 8" form tubes ...
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T Shaped Pergola with Only Two Posts

I'm trying get some advice on whether this design is even possible and if so if my post size and joists are correct (ie safe/structurally sound). I have seen many cantilevered pergolas so I think this ...
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Deck Framing Support for Pergola

I am installing a 12' x 12' pergola on top of my deck, it's a PVC kit but uses wood inside the PVC. It uses 4x4 posts. I am re-doing the decking so I can make framing modifications. I was going to ...
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-1 votes
1 answer
277 views

Attaching porch roof or pergola to old brick home

I just took apart a very badly made porch attached to an old brick house (built circa 1890). I do not want to go into the details but the old porch was so badly built (cement blocks as footings, ...
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Attaching Pergola posts to lumber on ground

I'm a new homeowner with DIY enthusiasm to improve the outdoor living space. Recently completed build my fence now planning to do a pergola first and then add deck to it so we can enjoy some outdoor ...
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4 answers
211 views

Aligning pergola rafters to the sun?

I live near Denver, Colorado (so northern hemisphere, some good snow storms in the winter, lots of baking UV in the summer) in a 1970s-built home and I'm putting a pergola over a patio in my back yard....
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1 answer
617 views

3-Arm pergola corner bracket for 4x4s?

How can I reproduce the functionality of these 3-Arm pergola corner brackets for 4x4 wood posts? My concern is that it will need to securely hold the weight of the treated 4x4. They would be used for ...
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Pergola post placement

I have contracted someone to build a pergola. The posts are 6x6 and placed oddly due to the back yard dimensions. The issue I have is that the post were set on Sunday and the braces were removed on ...
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1 vote
1 answer
423 views

Are 2x6 rafters adequate to carry a day bed in a pergola?

I'm working on my first big project, a 10x16 pergola. The long side includes three 6x6 posts 8 ft away from each other. There is another row of 3 posts 10 ft away parallel to those posts. All posts ...
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1 answer
477 views

Setting 6x6 posts in concrete

We are building a pergola-swing with two 6x6 posts as the main supports. The posts are to be set in a 12" diameter sonotube footing, 36" deep. I am unsure as to how much concrete to buy ...
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Best practice to build a pergola type structure

Having patio pavers laid, I want to build a pergola like structure for my home in the Northeast. Something like this: Questions about best practice: Should I use tubular forms outside the patio? ...
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Pergola wing span

I am building a pergola with dimensions of 20x17. I am planning on using 4 6 x 6 posts, 4 2x 10 x 24 feet running along 20, 14 2 x 6x 20 Feet running along 17 feet(rafters), 14 2 x 2 x 24 on top for ...
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3 votes
1 answer
422 views

Anchoring floating deck and pergola

I want to build a floating deck with a pergola but I don't want to set posts in concrete. My yard is mostly shale with about 5 inches of actual topsoil, if that. My question is, could I put treated ...
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1 vote
1 answer
346 views

Beam size to span 18 feet for deck roof

I'm looking for help on planning a roof over a deck I plan on adding to my house. The roof will be 18' wide and extend out 12' from the house. I want to have at least a 1' overhang on each side making ...
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5 Post Pergola Design - How big to make the beams and rafters?

I'm building a new deck and pergola in my backyard. The deck is pretty much done, and the pergola posts are in. I'm now I'm trying to decide how to finish up the pergola. Deck is roughly 12 feet wide ...
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-1 votes
1 answer
857 views

How can I replace an existing pergola supporting mature wisteria?

We moved into a home with a 15-year old wooden pergola that is supporting mature summer wisteria vines. Most of the "beams" are 2x4s, all the beams are sagging, and the wooden lattice roof ...
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2 votes
2 answers
2k views

How can I reduce flex/sway in my pergola?

I'm starting my backyard renovation project. I've put in a large concrete slab (18'x26'). Now I'm building a Pergola over the slab. My pergola construction is as follows: 6 - 6x6x10 posts (Grade 1) ...
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1 vote
1 answer
4k views

What size knee braces should I install on my Pergola?

I have a 20'x20' pergola on a concrete patio. Construction is 8"x8" posts sandwiched with 2"x8" rafters. I notice some swaying during some thunderstorms with heavy winds and I can ...
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1 vote
3 answers
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Can pressure treated wood be buried in concrete?

I was planning a relatively simple, 6x8ft "2-post" pavilion, just a small structure to provide protection to a small bench. This design would require to bury the wood into the concrete ...
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0 votes
1 answer
717 views

Properly flashing ledger board for pergola or overhanging patio roof

I am wanting to build a roof over our west facing patio to help with the heat of the day. I was thinking either a pergola type structure with a roof on it, or just an overhang. The structure will ...
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2 votes
2 answers
670 views

Adding a pergola to my deck; ok to replace corner railings posts with pergola posts?

Planning to add a pergola to my deck for shade and growing grapes and need help deciding if I should extend the posts of the pergola to the ground on a concrete base or if I can just attach it to the ...
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3 votes
2 answers
8k views

Is it normal for a freestanding pergola to wobble a little bit?

We built our first pergola (20'x 18' x 10' tall). We used cedar with 6 - 6x6 posts with 30-inch concrete footings attached with 1/2" J bolts to OWT/OZCO post bases. We have double 2x8 beams that span ~...
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2 votes
0 answers
374 views

Freestanding Pergola with 2x12x15ft beams need knee braces to prevent sagging?

I built a freestanding pergola on my existing pool deck. I used pressure-treated lumber, ( southern pine ) eight 6x6 posts sandwiched with 2x12 beams that span approx. 15ft, 14ft and 10ft. All ...
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Anchoring Aluminum Pergola To Paver Patio

I'd like to install an aluminum 16 x 12 pergola on my existing paver patio and I'm wondering the best way to anchor it. It comes with brackets to bolt the posts into concrete, with the bolt holes in ...
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1 vote
1 answer
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Pergola rafter spans

Wanting to build a pergola to cover a deck that will be connected to my house ledger board. Constraint is the deck size and not wanting to put a post in the middle of the deck. Details: - planning ...
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2 votes
2 answers
2k views

Need help reinforcing a pergola

We built a pergola last fall and are noticing some wiggle in the structure. The columns are bolted into deepened edges of a concrete slab, But we did not want traditional brackets at the column to ...
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1 vote
1 answer
63 views

How to attach replacement beams to column when repairing pergola

I'm planning to replace some rotten beams on a free-standing pergola. What is the best way to attach them to the top of the existing columns? The columns are hollow squares made of 3/4" boards with a ...
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0 votes
2 answers
409 views

I am building a pergola. What size of beam will span 20 feet. There will be no load on the beam aside from the weight of the beam itself

This is my first time here and I have looked at other questions regarding pergolas. However, my situation is unique. There will be no load on the beams. The pergola is 20 foot x 20 foot. It only ...
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Fiberglass Ledger Board for Pergola

I am building a 20’x22’ attached Fiberglass pergola to my home. The ledger board is Fiberglas and a length of 19’. The pergola weighs approximately 700 lbs. The wind gusts can reach up to 50 mph, not ...
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1 vote
1 answer
654 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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3 answers
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Could a steel beam span 24 feet for a pergola?

First time post here, thank you for such a great resource! I've done a lot of research but am hoping I can get some help building a pretty large pergola. I'm trying to be my own master contractor and ...
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1 vote
2 answers
984 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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2 votes
1 answer
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Max distance for 2x8 pergola rafter span

Building pergola with two rows of 3 posts. I'd have 2x10 beams mounted on the posts supporting the 2x8 rafters, but I'm curious how far apart I can push my rows of beams. Ideally I would love to have ...
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18'x16' Pergola Questions

So I’m looking at building a pergola on top of our raised deck off the back of our house. Total dimensions would be 18’x16′ (roughly), raised 8′ above our deck. Our deck is raised off the ground 4′-6′ ...
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1 vote
2 answers
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Are fence posts sturdy enough to support an addition of a wooden cover?

Trying to figure out how bad of an idea is adding a ~3-4’x6-7’ pergola type ”roof” supported by pressure treated fence posts. How to understand if it will hold or not? It's in the US PNW, so no ...
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2 votes
1 answer
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Pergola planning

I'm planning to build a relatively large wooden pergola of about 4 meters or 13 feet wide per 7.5 meters or 25 feet long. I'm not planning to add a roof or extra crazy load to it. On one end I'd ...
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