Questions tagged [beam]

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1answer
611 views

Can I legally drill a hole of 4" diameter in concrete load bearing beam through core cutting method? [closed]

Can I legally drill a hole of 4" diameter in concrete load bearing beam above window through core cutting method?
2
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1answer
823 views

How can I find ceiling joists underneath this wood paneling?

Out on our front porch we'd like to hang a swing, but I can't figure out where any of the joists are underneath the wood paneling. I can't find any nails or screws of any sort and my stud finder isn'...
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2answers
36 views

Support Beam for 14 ppt span

I have a 14 foot span that is load bearing on 1st floor, 2x8 joists. What is needed to support the weight on this cape in connecticut.
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0answers
101 views

Can I take this wall out?

Good evening, I decided to start a kitchen reno in our new house and wanted to take out this wall. I assumed it was not load bearing as it runs parallel to the joists, but after taking drywall off I ...
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2answers
492 views

Recessed beam where joists meet in center of room

First. I am getting a contractor. I like to have a good idea what I am dealing with so I can understand what 1,2,3 contractors with estimates propose to me. Ranch house with Cape Cod roof sitting on ...
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2answers
3k views

Can I calculate beam size if I know length, and weight support requirements?

I am interested in hanging a heavy-bag/swing/aerial yoga bands - but am concerned about hanging from a strong enough beam. I have tried to read lots about deflections of different material based on ...
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1answer
70 views

10cm brick wall carrying capacity for additional beams

I'm trying to get an approximate feel on how much can a 10cm brick wall be loaded with. Here is an image to describe the problem: I am planning to make an elevated bed and the beam on the picture ...
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2answers
580 views

Can I move the posts under the beam in my basement? [closed]

I have a parallam PSL in my unfinished basement and am wanting to move the support pillars for finishing purposes. The parallam is currently supported at the end by wood posts and 2 steel pillars in ...
1
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1answer
267 views

Removing or replacing a post supporting a bolted joint in a long glue lam beam [closed]

We bought a home to remodel - and taking down a wall we found that our gluelam beam is actually two different beams, held together with some steel and bolts, and supported by a 4x6 vertical timber. We ...
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1answer
2k views

Attach Porch Roof Beam to Side of House

The porch is 15'x20' and will be connected to the back of the house. The concrete piers, ledger, joists, and beams have already been installed. I'm now moving to install 4x4 posts and (2) 2x8 roof ...
2
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1answer
2k views

How to estimate the load bearing of MDF plates on a wood/beam construction?

I have a 2000mm x 1400mm x 15 mm MDF panel (green) which I want to use on a to be constructed high plane for a bed and some space around. The depth should be 1600mm. The room is not rectangular which ...
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1answer
346 views

How to calculate the influence on load bearing on beams cut/notched for connections?

I have trouble understanding what's the point in cutting beam endings in order to make wood construction connections. Assume a connection of a 50mm x 50 mm beam (green) to a 100mm x 100mm beam (pink) ...
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1answer
394 views

Is there a standardized way of calculating load bearing of beams with connections notching the beam?

I would like to figure out how to estimate the impact on load bearing of different solid structure wood (german Konstruktionsvollholz/KVH norm) beam connections. Assume I have a connection like this ...
2
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2answers
722 views

Does beam orientation matter for structural engineering calculation values from wood supplier tables?

One can get values for load bearing of simple wood constructions and thus the right beam profile dimensions to choose from tables from wood supplies (e.g. http://www.merkleholz.de/en/Static-table-KVH-...
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2answers
221 views

Installing a pet door - no ideal location - support beam question

I am in the process of installing a pet door and there really isn't any ideal area in the living area to install it due to either things on the inside that are in the way or on the outside that are in ...
2
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5answers
950 views

How can I determine if it's safe to remove this beam in my garage?

I want to remove a roughly 18' beam that goes across my garage. Oddly, it's the only one at this level. The ceiling beams are all about 28 inches higher. When I touch this beam it wobbles quite a bit, ...
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1answer
384 views

can 3 2x6 x8' wooden board support a 900lb load? [duplicate]

I wish to support a 900 lb motor I want to use 3 2x6x8 for a support beam will this be enough?
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0answers
150 views

Can a PSL beam support second story joists all hanging from it

My home is a 2 story home, built in 2003. There is one section in the home that was left open to above with approximately a 20' ceiling in this case. This is over the living/dining areas of the home ...
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5answers
125 views

Is there a method to transpose specific pilot holes?

Bathroom drywall with wood beam behind it. In a very specific location, created 2 pilot holes (through the drywall into the beam). Want to attach a wood plank, exactly into those 2 pilot holes. ...
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2answers
19k views

What size beam should be used for a 15' patio cover span?

I'm looking into building a covered patio and am having a bit of difficulty finding the proper beam size required for the spans between posts. The cover will consist of either a ledger board attached ...
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0answers
243 views

Placing a manufactured (tiny) home / RV, trailer foundation on stands or blocks

What are the best practices in placing a fairly temporary, a few years with full time use, 10K lb manufactured home/ rv with a trailer foundation on stands/blocks in the western pacific cascades? ...
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2answers
8k views

Is a 6x6 beam good enough for a span of 10ft

I'm opening up a wall between two living rooms. The wall use to be an exterior wall which runs east to west and used to have a large window which was closed up when they added the back living room. ...
5
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1answer
682 views

What's the best way to repair this floor joist?

Enroute to installing a new shower I find this giant hole cut out of the floor joist of the 1800's historic schoolhouse I call home. Crazy thing is, the new shower placement...literally two inches ...
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1answer
3k views

Can a 2x6 beam span 11ft?

I need to span a beam 11' between two 6x6 posts to support the rafters for a covered pergola. I was thinking of fastening 3 pieces of 2x6 together to create a stronger piece. Is it possible? Is there ...
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2answers
18k views

What size beam do I need to span 20' on a 25' roof?

I had a 10' addition added after a fire and the beam the (worthless) contractor installed is sagging. The city inspector said it needs to be replaced with something suitable. From photos I have it ...
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3answers
714 views

Triple 2x4 beam post bowing away from foundation wall

We have a fairly new home (2007). I noticed a strange issue that has to be fixed. The pictures below show 3 stacked 2x4's holding up a laminated beam; the 2x4's are bowing out. This is the only stack ...
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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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2answers
4k views

How can I attach angled beams to a post?

I'm designing a deck with 3-2x10 beams supported by 6x6 posts. I know when the beams go straight across the posts I can use any number of brackets designed for that purpose, like Simpson AC4 (or AC6, ...
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2answers
892 views

Making box joists with OSB?

I'm looking for information on construction details and how to determine appropriate size for box joists sheathed with OSB (similar to this document that describes such joists sheathed with plywood, ...
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1answer
581 views

Cutting joist for skewed joist hanger

Do I need to cut the joist lumber's end at an angle so that it sits flushed to the beam when installing skewed joist hanger? The below video tells me that it's not necessary. https://www.youtube.com/...
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1answer
1k views

Can a structural ridge beam be used in a hip roof design?

If so this would place the ridge beam somewhere in the middle of the roof, how would you provide support for the ridge beam in this instance?, could you support it by an internal wall? This is for a ...
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1answer
49 views

Can a 290mm x 45mm lvl beam be used as a structural ridge beam?

Also are ridge beams only used for exposed ceilings, or can you install ceiling joists which are connected to the rafters, - i assume this would provide extra support. This is for a single story ...
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1answer
524 views

Removing the concrete from the top off a concrete column

I have a number of 12" square concrete piers reinforced with 10 * 16mm rebars. The rebar extends to around 4m tall, while the concrete has been poured to a height of 3.3 metres. This an error because ...
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2answers
1k views

Can I frame over an existing deck with a new deck to raise the level?

I was looking at below photo and realized they basically put the trim joists of the platform on top of the bottom joists / beam. Is that allowed? I thought you have to actually put footings for the ...
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2answers
1k views

Do I need ledger board when expand deck?

I have a deck like below and I want to expand the direction where the arrow shows (sorry for an ugly photo). Do I need to put a ledger board right on the trim joist, or can I just hang the new joists ...
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1answer
446 views

Fixing (at least temporarily) roof damaged wooden beam (rafter?) in an outbuilding

Outside my house there is an outbuilding. I am not sure of the roofing terms in English, but trying. On of the roof beams, the center one on this picture (a rafter?) is heavily damaged at its base, ...
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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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3answers
175 views

Post to beam connections

I was told that I could find some angle brackets to secure the post to the beam. However, I'm finding nothing that doesn't require me to remove the set beam and start over. What is code? Is this going ...
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1answer
52 views

What type of beam should be used over a split arch doorway?

I am building a building in Indonesia. It's using RC-frame construction. My builders don't have much expertise, nor do I. The basis for my building is three reinforced concrete pillars, 30cm * 30cm, ...
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1answer
816 views

Where can I find information on making footbridges with a long span?

I have a creek I need to cross with a footbridge. While the creek is only about 3' wide, the main span of the bridge will have to be somewhere between 14-17' feet long, due to low, wet, and loose ...
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4answers
23k views

Why mate two boards instead of using one thicker board?

I need to build a footbridge across a creek and, due to soft and low land around it, will need a long span crossing the creek. I found this tutorial by Ron Hazelton where he makes a bridge with a 12' ...
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1answer
982 views

Options for correcting improper deck beam to post attachments

We purchased a house with a large deck where the post to beam connections look exactly like the prohibited configuration shown here: The 6 x 6 posts are all attached to concrete footings using the ...
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1answer
2k views

How should I repair a cracked trough roof beam?

My garage has a 17' 2x8 ridge beam. The roof is a V, lowest in the center, with 2x4 rafters nailed to the sides of this ridge piece. At some point the roof drain clogged, the roof turned into a ...
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2answers
6k views

Can I drill a small hole in a concrete beam?

I need to pass a bipolar electrical cable through a concrete beam (30cm high, 15 cm wide) (12x6 inches). The hole would need to be about 1cm (3/8"). Is it safe to drill through it? There is no wall ...
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2answers
521 views

code approved way to cut 5“x30” out of a 8“ x 10” support beam

I need to cut 5" x 30" out of a basement support beam to accommodate a door and secondary suite height requirements. Would the jack and king posts for the door be enough support for the 5"x30" or do ...
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1answer
1k views

How to enforce wooden shelf with steel strip

I'm making a shelf that'll be 1 meter wide and 2.2 meters long. It's going to be simply supported by wire attached in four corners (with necessary 10 cm space from attachment point to the shelve's ...
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1answer
503 views

Should I use non-shrink grout to help with support posts?

I am installing a new, approx 16' support beam in my house, to be held up initially by adjustable jacks, and permanently by 4 4" wooden posts. Some time ago I saw on one of the construction shows an ...
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2answers
1k views

Is a double 2x4 beam adequate for a 64" opening?

I am opening my dining room and I don't want to compromise the structural integrity. The previous entryway was supported by two 2"x8". The new entryway is supported by two 2"x4". The new support is ...
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3answers
2k views

What size beam do I need, and can I build one from lumber and steel?

I want to support a 20 ft. span of my roof where two roofs come together. My house is was originally 46'by 20'. A 40'by 12' addition was added, making an L shape, and when they put the beam in they ...
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1answer
2k views

Is a sandwiched beam made out of 2x4s laid flat a suitable for a 15' span that doesn't carry a load?

After working to remove a wall that runs parallel to the ceiling joists, I've run into a little problem. The builder used a 2x6 for a nailer (to attach the ceiling drywall) on top of the 2x4 stud ...