Questions tagged [lumber]

For questions involving the use of lumber as a construction material.

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2answers
38 views

Can I use a 4x6x16 top beam for a cantilevered swing set?

I have a 4x6x16 beam that I would like to use on a new swing set. If I span 12 feet between supports, can I leave one or both ends cantilevered to support an additional swing?
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2answers
75 views

2 x 6's stacked VS 6 x 8s?

The design for a retaining wall calls for pressure treated 8 x 8 posts, 6 feet on center and 6 feet below grade, with 6 x 8 pressure treated walls 4 feet in height. The retaining walls are a 26 foot x ...
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3answers
66 views

How to move building material, including large timbers, onto my property?

I'm trying to build a small house on my rural property. I'm trying to use a building kit, which is delivered normally by a series of 18-wheelers. It includes large timbers, such as six 6x8 x 14ft ...
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1answer
52 views

Will 2x12 lumber forms support my concrete pier?

Im forming a concrete pier. I expect 20k lbs of weight every 10 ft. I have 5 2x12x16s spaced about 14in apart. How can i determine the weight tolerance. The boards are bolted at 10ft to concrete ...
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1answer
23 views

Warp resistance of joined 1x lumber

Let's say I had a choice between 1x12 for shelves and actually joining two ripped pieces of 1x8. Contrary to the initially appealing, I'm inclined to think that wider lumber tends to warp more than, ...
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0answers
18 views

Paint/sealer for wood porch columns

I need to replace a couple front porch posts/columns that are rotting, so I'm just going to replace all of them. Original posts are just 4x4's with some wood casing and trim around it. I'm going to ...
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2answers
54 views

Toe Nailing Studs to Plates

Perpendicular set studs sometimes shift during toe nailing to flat plates, top and bottom. Is there a way or a tool to clamp 2x4 perpendicular?
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1answer
43 views

What's the widest two-by size for a door frame I can use without warping becoming an issue?

In order to be able to connect the outside (brick/masonry) and inside (lumber framing) structural elements, I need to use 2x10, anything shallower won't do. However, I'm reluctant to use lumber that ...
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3answers
159 views

Can I reduce the width of a board half an inch by sanding?

I am building a bed frame. Like a fool, I thought 2 x 4 lumber was actually 2 x 4 inches. Now I have a gap that is .5 inches too wide on either side of my frame. I'm wondering if there is a good fix ...
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2answers
76 views

How to find “doorskin”? [closed]

Regarding this question: What exactly is doorskin? Mine is not a duplicate because the one above does not fully answer my question, exactly how can I find this product or something similar? I'm ...
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2answers
75 views

Adding new joists to old deck: lumber size mismatch

Very new to this forum, forgive me for any mistakes. I am replacing the decking on an existing deck at my house, and the new decking is a composite PVC cap stock product. The old decking was cedar, ...
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2answers
99 views

I spend long time in picking lumber. What do you look for when selecting boards?

I typically spend very long time in front of the lumber aisles inspecting boards. Many times I end up not getting anything after all because I thought all boards are imperfect. I see pros spent few ...
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2answers
71 views

Which Pine to Use? [closed]

I was told pine is the way to go for portions of my project but I'm also told framing pine is not the way to go because it's not square and is not dried. Can I just go to a big box store and get pine ...
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1answer
69 views

how to identify lumber grade of unmarked ceiling joists

I have a detached garage that I'd like to finish the attic space to make into a office like workspace. The garage ceiling joists are 2x8x14' (unnotched) with a 13'6" span on 16". The joist appear to ...
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1answer
72 views

Framing a non-load bearing basement wall - are plates required to be a single piece?

Are either top or bottom plates required to be 1 continuous piece of lumber? If it's not required, what is the best way to attach the separate sections; a lapping piece over the top of the joint?
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0answers
51 views

Department store PT GC lumber

I'm using pressure treated, ground contact lumber like this one bought from Home Depot for an outdoor project in my backyard. Parts of the lumber are buried underground, and some of the buried ends ...
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2answers
2k views

Preventing swing set legs from sinking

I'm putting together a swing set in my backyard mostly following this Youtube video. I'd like to make sure that the legs of the A-frames don't sink into the ground over time when it rains, etc. What ...
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1answer
61 views

Are there any composite/plastic lumber brands that can be used indoor?

I need to build a platform/base in a partially finished basement that occasionally floods. The flood isn't much, about 1/2 inch, but it does stick around for a bit (at least until the dehumidifier ...
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2answers
144 views

Insects on Hem-Fir/SPF lumber?

What are these insects and should I be concerned? They're about 1/8" in length and don't look like termites or pine beetles. I don't see any insect-related damage to the wood but they seem to have a ...
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1answer
183 views

Should raw timber be treated for use as in-ground posts?

I've got some grape vines that I need to re-build a badly designed trellis around. Im considering using some felled timber from my back yard. The advantage is that I could use much larger, cheaper ...
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2answers
628 views

Why are my joists smaller than standard size?

I was preparing to replace a cantilevered rim joist on my house today. I bought a 2x10 treated board to replace it. I cut a piece to use as blocking and found that the board was much wider than the ...
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2answers
89 views

Do I need to treat the ends of PT lumber?

I'm going to be building a retaining box for a gravel pad using 6x6's - 0.16 lb./cu. ft. MCA pressure treated lumber. The dimensions of the box matched up with available lengths at the lumber yard, so ...
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2answers
2k views

Lumber Split in Roof Rafter

I had a new roof replaced recently and my whole house would shake when they would throw the shingle bundles down on my roof. I went to the attic the next day and noticed something I hadn't previously....
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3answers
207 views

What type of plywood to use for a general purpose workbench? [closed]

I would like to build a workbench for my garage. Having minimal experience, I would like to try this: https://www.familyhandyman.com/workshop/workbench/how-to-build-a-workbench-super-simple-50-bench/...
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1answer
171 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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1answer
462 views

How to remove ceiling joist cross blocks without tearing up roof?

I have a building on my property where the roof is made of 12' 2x4 joists with plywood laid directly on top of it. Between the 2x4 joists there are 2x4 cross blocks positioned where the pieces of ...
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1answer
780 views

Are railroad ties suitable for a retaining wall under tree canopy?

This video shows a sharp cliff near my house that leads down to a stream. The drop is about 20 feet. I would like to build a 4' high retaining wall right around where you see a stack of dead branches. ...
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2answers
110 views

What's the right type of lumber to construct a small TV platform?

I'm buying a new TV, which will be my first flat-screen TV for the home theater. I currently have an old RPTV, and our center channel speaker rests on a stand that supports it on top of the TV. Since ...
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4answers
2k views

Can I use LVL 2x4 outdoors (pergola roof)

A few days ago, I got a letter from the HOA telling me that I have to replace the warped, twisted, sagging 2x4s forming the roof of my pergola. I have absolutely zero confidence that any PT 2x4 I buy ...
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1answer
458 views

Warp resistance of plywood vs solid SPF lumber

I need to fabricate a small wooden masking platform that will serve to reduce the gaps between radiator pipe holes in the floor and the floor itself. Basically, the gaps are more than what pleases the ...
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0answers
48 views

Drying milled lumber

I want to mill my own lumber from a forested property and mill I have access to. I understand there is a long drying process involved, and I intend to dry a large volume. What is the process for ...
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0answers
599 views

Is AC2 lumber ok to use with aluminum?

My "local" big-box home improvement store sells a pressure treated lumber called AC2. Apparently this is different from ACQ in that its environmentally friendly, but still can be safely used with ...
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0answers
554 views

Type of Lumber for carport load-bearing post replacement?

So I need to replace the 5 load-bearing posts on my carport due to visible rotting. Do you recommend using the standard Southern yellow Pine Pressure treated 4x4 lumber I see in your typical big box ...
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1answer
664 views

Joining two composite decking boards side by side

I described my problem in this question here How to fix deck board at edge not lined up with beam? This is the outcome of that project. There ended up a bit of gap in some area like 1/8" - 3/16". It'...
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3answers
2k views

How to drill straight hole in 4x8 beam?

I need to drill a 0.5" hole for a big bolt going through 4x8 beam (used in swing). Now I only have the hand drill and no drill press tool (which could be nice). I only need to make 2 holes and they ...
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0answers
534 views

Footing for 4x8 swingset beam and playhouse

I am building a playhouse with swingset attaching to it. One side of the swingset beam (4x8x12) will be A-frame. The other side is attaching to the playhouse. I have a question about attaching to the ...
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1answer
2k views

A-Frame Bracket for 4x8 swing beam

I would like to build the A-frame swing structure. One end of the beam attaches to the playhouse. The other end is the A-frame and I plan to use 4x8x12 treated lumber as the beam since I already ...
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1answer
2k views

Beam size and material for 15 feet long swing

I need to create a 15 feet span beam for kid swing (300 lbs load / 150 lbs and 2 swings assumption). One end will bolt to the tree (just for convenience). What "treated lumber" lumber size and ...
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0answers
65 views

Use Textured Strand Lap Siding or concrete board to attach outside deck trim

I want to "cover" the outside of the deck trim because the look of treated wood isn't good. But if I use deck material (composite) to run around, it's going to be expensive. I am planning to just use ...
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1answer
538 views

How to waterproof inside cedar shed?

I want to build this shed like the picture below (I got from someone else) using my leftover cedar fence pickets: However I don't know if it will leak water from the side. There isn't much protection ...
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1answer
3k views

Which nut/washer combination to join timber to timber (joist to rafter)

I am fitting some new joists in my roof and will be bolting the new joists to the existing rafters. Both joists and rafters are 47mm thick. After some advice from a friend (which may of course be ...
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1answer
781 views

How to tell if 2x4 is untreated and safe for indoor project?

I bought some 2x4s from homedepot. Took a picture of the stamp. How can you tell if it's treated or not? Is it safe for indoor furniture project?
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2answers
62 views

PT lumber as the swingset frame

I am planning to build a swing set for my kids and was going to use PT lumber. I was not too much concerned with the chemical issues because my kids were now old enough. Also, the PT lumbers are ...
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1answer
199 views

Different joist spacing of extended deck

I have an old deck with 16" joist spacing but that was because they used 2x8 joists and span 9 ft with 3 ft overhang. I am planning to extend the deck but won't go further than 9 ft. So with short ...
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1answer
4k views

Can I use two 2x8 beams instead of one 4x8 beam for deck?

I am trying to "optimize" materials purchase when building a deck. So I got two questions: Is two 2x8x16 beams the same as one 4x8x16 beam for deck support? Do I need to bolt / nail them together or ...
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2answers
597 views

Will 2x6 cedar be ok for monkey bar rails?

I'm planning a build of a back yard jungle gym/mini ninja warrior obstacle course and I'm in a bit of a pickle. On the one hand, I don't mind spending more for cedar and I prefer the look, however, ...
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2answers
213 views

55g aquarium dimensional lumber support

I know there are a lot of questions on here questioning the weight bearing capabilities of dimensional lumber but this seems like such a specific scenario since the load is static and completely even. ...
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1answer
87 views

Finishing nails into treated lumber indoors… a disaster waiting to happen?

We framed out our new kitchen island with some leftover lumber, some of which is treated. Our cabinets came with some extra skin, which is roughly 1/8" thick, and we already attached it to our island ...
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4answers
37k views

Safe/professional way to transport lumber with just a roof rack

I'm doing some home improvement, and have the necessary skills, tools, etc, for the job. There is one thing I'm lacking: a large pickup truck for transporting lumber. A buddy of mine used to have one, ...
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2answers
121 views

Stucco around lumber

I have a masonry wall that I'd like to hang a 2x6 on (6 side against the wall) so that I can use it as an anchor for a curtain rod. I would then like to stucco around it. I was wondering if it's okay ...