Questions tagged [beam]

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16
votes
5answers
14k views

Contractor cut joist hangers to make them fit

(edited with additional info re. header) We are removing a couple of load bearing walls as part of renos in our home. The engineer specified a W8x21steel beam to replace the load bearing wall. The ...
14
votes
3answers
5k views

Why did they hammer nails in half way and bent them over to secure supports?

In my 1950s house they hammered nails in half way and bent them over to secure the supports to the beam. Why was this technique used?
12
votes
4answers
25k 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' ...
11
votes
2answers
3k views

Do ceiling joists need to rest on cross beams?

I am having a new home built by a national builder. They are framing now I see that ceiling joists in one area are not resting on a beam that divides two open rooms. See the photo. The beam that runs ...
5
votes
4answers
11k views

Support Beam Splitting

I bought an older house (1917) that had renovations done in 2009. I was in the basement earlier today with the oil delivery man and I noticed some of the support beams splitting. The inspector never ...
5
votes
1answer
857 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 ...
5
votes
2answers
310 views

Holes drilled in parallam beam: is this a structural problem?

The electrician drilled 3/4” holes on PSL parallam beams. Both beams are is 4”x12”. The first beam measures 13’ft long and the holes are about 3’ft away from the end. The second beam measures 23’ft ...
5
votes
1answer
736 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 ...
5
votes
3answers
523 views

How can I attach pony wall to surface of platform and will it be strong enough against lateral forces?

I have a loft area to which I want to add a pony wall for safety. My plan is to drywall its inside and outside faces, all the way down across the beam. Can I built it on the surface of the platform ...
4
votes
2answers
574 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 ...
4
votes
1answer
3k 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 ...
4
votes
1answer
2k views

Does a long deck beam need a post at staggered joints?

I am designing a deck that requires 40' beams. In that design I plan to fabricate the beams with 2-2x12 pressure treated lumber. I have tentatively planned to arrange the plies in this fashion: 1st ...
3
votes
1answer
1k views

Hurricane ties installed using joist hanger nails top AND bottom. Should I yank them out?

I'm using double sided hurricane ties to secure my joists to my beams for a deck I am building. The tie looks like below: I had been using 1.5" joist hanger nails for the 6 holes at the top that ...
3
votes
1answer
131 views

Strange looking garage beam support post

I was looking to buy this house and then realize this room is strange. It used to be a garage but got converted to living space (with permit): It was a single lumber running across so I am not ...
2
votes
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 ...
2
votes
2answers
2k views

How big of a beam for a load bearing wall

I have a wall in my basement that is load bearing. Right now, they put a door opening in there (and probably overdid the header for it). I would like to remove a 7 foot section and open it up for a ...
2
votes
1answer
150 views

How to Fill Gap Between Steel Beam and Concrete Pillar?

I have a Concrete Foundation Pillar that is 5/8th of an inch too short. What filler materials are appropriate when a steel I Beam will be resting on it? Can I use mortar, or is steel more appropriate?
2
votes
1answer
62 views

Is it safe for my house's main carrying beam to be two separate beams?

My house is 115 years old. The floors slope towards the center in every direction. I just discovered the main carrying beam is not continuous from the front of house to the back. The first is about 15'...
2
votes
1answer
134 views

beam to replace 5 studs of wall

I recently removed 2 studs from a wall and now I feel like it is not enough, so I intend to remove 3 more. The house is 26' wide and 30' long, built in 1918. It has a basement, main floor, and attic....
2
votes
2answers
496 views

ELECTRICIAN BORED 4" HOLE through top & bottom chords in attic — how to fix?

I'm extremely concerned; hopefully unnecessarily so. We recently upgraded our electrical panel and I just noticed (about a month and a half later) that the electrician bored a 3.5" hole through what I ...
2
votes
2answers
8k views

Is deck joist sistering a sloppy repair?

I have a few bad deck joists that I replaced with new PT joists. These repairs are great. Now I have a few more not too bad joists that will be rotted in a few years. I am thinking to add new PT ...
2
votes
2answers
2k views

how much bearing surface is required to support a beam

How much bearing surface is required to support a load bearing beam in a single-family residence? Are there tables? Are end gaps ok or required? A 1/4" to 3/8" end gap on each end (1/2" to 3/4" short ...
2
votes
3answers
757 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 ...
2
votes
1answer
82 views

Can I remove framing members forming a wall below a load bearing beam?

I am in the process of buying my first home and my head is already spinning with update ideas. The main idea, in particular, is renovating the kitchen/dining. There is a wall separating the two spaces ...
2
votes
2answers
802 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-...
2
votes
5answers
1k 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, ...
2
votes
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 ...
2
votes
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 ...
2
votes
2answers
4k views

Need help choosing bookshelf thickness

I have a recessed wall and want to build in some shelves. Went to the lumber yard today and got some 1"-thick hard maple boards and asked them to mill them down to 5/8", which they are going to do ...
2
votes
2answers
445 views

Using old roof footings for a ground-level deck

I had a 40 year-old, asphalt shingled, hip roof (14x18) over a concrete patio that had 4 posts w/footings that supported it in a line opposite the house. The footings, that are still there and were ...
2
votes
1answer
67 views

Exterior wood rot remedy for beam

I am not sure if this beam is decorative or structural But you can see the rotten area in red rectangle What is the best way to fix something like this?
2
votes
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 ...
2
votes
2answers
631 views

Cleaning up very old oak and other hardwood roof beams

I am building a stone barn and have just acquired an assortment of very old oak and other hardwood beams (with nails, dirt, the lot) to be used to construct the barn roof. A lot of this wood is filthy ...
2
votes
1answer
68 views

Should columns supporting a beam be fastened to the floor?

I am trying to take down a load bearing wall and have had an engineer draw plans and advise I use a steel beam and columns to support the floor above. Do I need something to secure the columns to the ...
2
votes
2answers
69 views

Name for wooden board that supports fascia, drip edge, soffit, and gutter?

QUESTION What is the name of the wooden beam that supports fascia, drip edge, soffit, and gutter? The nomenclature is important because it is hard (if not impossible) to Google anything without ...
2
votes
1answer
908 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'...
2
votes
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 ...
2
votes
1answer
416 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
votes
1answer
1k 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 ...
2
votes
1answer
91 views

Can beams be up against a post base like this?

I'm building a 12x16 ground-level deck in my backyard (not attached to the house). I'll have 4x6 beams anchored to concrete footing. My question is: can I install a 4x6 ledger beam that will have its ...
1
vote
5answers
128 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. ...
1
vote
6answers
9k views

What's involved in moving a support post?

We found this house that we really like, but it needs substantial renovation for our taste. The thing that killed it for us was the crazy kitchen countertop that has been narrowed to make way for a ...
1
vote
2answers
5k 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, ...
1
vote
2answers
519 views

Mounting TV to steel I-Beam

Is it safe to drill and tap an i-beam in order to mount wood to it, to then mount a TV to the wood? TV and mount will weigh about 100lbs combined. I plan on using 1/4 bolts, and the two pieces of ...
1
vote
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 ...
1
vote
3answers
2k views

Fix sagging beam situation

We've got a beam that we replaced two years ago due to some damage. The beam is out front and is above all the other beams it supports, which makes the whole thing a bit strange. We made our own ...
1
vote
1answer
144 views

Contractor cut joists short (followup to earlier question)

We are removing a couple of load bearing walls as part of renos in our home. The engineer specified a W8x21steel beam to replace the load bearing wall. The floor joists are 2x10. The joists are 2x10 ...
1
vote
1answer
99 views

How can I prepare an uneven beam to be wrapped with wood?

We are doing a complete update of a 1975 home. The issue we can't figure out is in the living room. There is a drywall-wrapped beam at peak of vaulted ceiling that is 24' long. We want to wrap it with ...
1
vote
4answers
99 views

Partial support of a beam

I want to attach a 2x12 beam to a treehouse attachment bolt bracket, and I want to double up the beam, as shown (the view is from underneath). The bracket is 2" wide, and apparently designed to ...
1
vote
2answers
22k 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 ...