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joist

  1. should I replace the joists

    Carpentry
    I'm creating a first floor wet room and pulled up the floorboards and found joists in mixed condition. Short question is should I replace them? If so, am I right in thinking 6x2 at 400 centres should suffice in this room which is 2m x 1.7m. According to the tables I should be well within the...
  2. Fixing rotten subfloor near walls

    Building & Construction
    Hello everybody, I am in the middle of rebuilding my shower's floor because leaks damaged the subfloor (engineered wood). Please help me with how I can redo the subfloor without impacting the walls that surround the shower in three directions. I've removed the floor layers, including most of...
  3. Raise Ground Level Deck with 2x4s?

    Building & Construction
    I'm planning on building a 16x25 ground level deck off the back of the house where about half of the area already has a concrete slab for support and the other half is grass where I plan on using concrete deck blocks as support for my joists which will be 2x6's. I know the number one thing for a...
  4. Gap between joist and band joist

    Building & Construction
    Short version: NEED DIRECTION! - selling house - home inspection revealed joist separated from band joist - inspector concerned about the amount of joist actually resting on sill plate. (looks like about 3/4"), I would be too. - band joist is the actual problem. - foundation was cracked when a...
  5. Ordering Lumber to Re-Top Deck

    Building & Construction
    Hello Everyone, Quick question - I'm curious how a professional would order material to retop an existing deck. My deck is roughly 20' x 28' diagonal decking 5/4 in. Cedar Lumber. I'm wondering if I should simply order long boards to cover the surface area? or should I actually inventory...
  6. 1900 house questions

    Building & Construction
    I just bought a 1900 house up in Maine. So I am vaguely familiar with the standard framing and all that... and I need to do some damage control from previous cutting corner things done. Anyhow, 1st, the house, the beams run the width, about 21-22ft, the beams are 6x6.... is this undersized...
  7. Floor Joist opposite direction- attached garage conversion raised floor question

    Building & Construction
    Hi, I am converting my attached garage into a 2nd bathroom, closet and small master bedroom extension (~120 sq ft). I have to raise the garage slab floor about a foot or so to meet the raised house floor level. However, my basement floor joists 2x6 run different directions in the kitchen vs...
  8. Sistering Joists with Plaster Below

    Flooring
    I have a similar question out on another thread but this one is a bit different so I will give it a shot here. I live in a 1910 1 and 1/2 story house. The second level was built on 2x6 (1.5 X 5.5 actual) floor joists. One section has the span at about 12 feet which I know is too far for those...
  9. Sistering 2X6 Joists on Second Floor with Plaster Below

    Carpentry
    I live in a 1910 1 and 1/2 story house. The second level was built on 2x6 (1.5 X 5.5 actual) floor joists. One section has the span at about 14 feet which I know is too far for those joists. Currently this part of the house is a half bath but I am planning to convert it to a full bath. My...
  10. Need advice on TJI

    Building & Construction
    We are building a house and are in process of getting the Plans done. The Garage is 30.7 ' x 20.6' . For the garage cieling the Architect is suggesting putting 2 x 8s end to end lengthwise at 16 " o.c. with a main Girder support in between the joists . The Girder will be supported on Steel...
  11. Advice on supporting floor joists

    Building & Construction
    I am in the process of extending my living room into my garage and we had a nice surprise when we removed the wall between the two rooms. There was a bulkhead attached perpendicular to the wall that I thought was just for asthetics but it seems was supporting a double 2x12 floor joist and...
  12. Jack up second floor joist

    Carpentry
    Hi all, If this topic has been covered here, please feel free to post links and I will do my reading before asking more follow up questions. We are remodeling a roughly 20 year old 2 story colonial. In removing the ceilings on the first floor, we found a cracked joist. The joists are 2x12 -...
  13. joist treatment in encapsulated crawlspace?

    Building & Construction
    Hi there, I'm new to this.. am having my crawlspace encapsulated and dehu installed. Contractors said they would treat 'mold exposed' areas with antimicrobial and then water seal all wood. They said they would use materials/treatments of my choice. I thought I'd ask here.. I'm thinking...
  14. Botch job done on structure? Joists and subfloor

    Building & Construction
    Hello, Thank you for anyone reading this and I apologize if I am not posting correctly. I have never posted in a forum before but have had so much help from other posts so I figured I would give it a shot. We recently had a contractor come in to our home who was "highly recommended'...
  15. Quick question on sistering joists

    Building & Construction
    I discovered termites in my house, my guess is there was probably more than one colony over the years. I used Termidor and the wood eaters have been destroyed. There is some damage to a few floor joists (2x8). I took my 3 speed impact driver I tested a bunch of areas on speed 1. I cant get a...
  16. Wet/Dry rot on these joist? Can you help identify?

    Carpentry
    Hallo everybody, After a small leak, I have removed a ceiling and discovered hallucinating things on the joist of a flat roof in a sleeping room. One joist is completely collapsed, two more are fully damaged and the 70% of the wooden structure is full of white mold, sings of worms presence...
  17. How to cut a notch at end of 2x6

    Carpentry
    Hello, Newbie here. I would like to cut a small notch (2"x2") at the end of a pressure treated 2x6 (picture attached) What tool would you recommend to cut this? I have a hand saw and a circular saw, but perhaps there are better tools to do the cut. Thank you.
  18. Sistering Roof Rafters

    Building & Construction
    I have a home built in 1928 with 2x4 rafters over my front porch. 2 of the rafters are sagging at a knot in the rafter. The rafters are appox 14 ft. I was going to sister 1 2x4 x8' to a side of each impacted rafter using 4 3/8 zinc bolts and washers (2 above and 2 below) and then maybe a...
  19. Basement 2 Level Playhouse

    Building & Construction
    So I'm trying to utilize the space under my stairs in the basement as a playhouse for the kids. Since I live in Colorado and have a concrete slab floor all walls must be floating walls. In order to put in a second floor in this playhouse I've made sure my walls are secured into the ceiling...
  20. Floor Joist

    Building & Construction
    I would like to redirect a 5" air pipe to the other side of a 2" x 8", second story, floor joist so that I can have the vent exit a bathroom vanity kick plate. I realize I cannot just drill a 5" hole through the joist, however I was wondering if it would be feasible using the method below...
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