Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie
Hi all! We have been experiencing an issue on site where threads have been missing the latest postings. The platform host Vanilla are working on this issue. A workaround that has been used by some is to navigate back from 1 to 10+ pages to re-sync the thread and this will then show the latest posts. Thanks, Mike.
Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

RSJ as a Lintel

  • 10-02-2022 10:20pm
    #1
    tedimc
    Registered Users, Registered Users 2 Posts: 623 ✭✭✭


    Building a block garage (cavity wall) at the moment and struggling to get lintel options for two openings (3m & 5.2m)

    I have some galvanized RSJs on site and was thinking of using them as lintels and build the final row or two of blocks on top of them. The roof will be flat, so there won't be huge weight on these.

    Any suggestions on best course of action for making sure the mortar and blocks stick to the steel?

    For plastering inside and out I was planning to fix timber to the inner web, slab flush with the block work with external render board and then some expanding metal. But again any better approaches would be appreciated.



Comments

  • #2
    SC024
    Registered Users, Registered Users 2 Posts: 585 ✭✭✭SC024


    normally use steel for larger openings sitting on concrete pads either side. Steel should be sized / specced by engineer though. Could get expanding metal or similar tack welded to top of RSJ but not usually done. Fill in the web of steel on outside with 3 or 4 inch blocks depending on depth of web & cut to fit height.



  • #3
    Mellor
    Registered Users, Registered Users 2 Posts: 39,603 ✭✭✭✭Mellor


    https://www.boards.ie/discussion/comment/118622571#Comment_118622571

    I believe he was asking about the course on top of the steel, not the bearing points.

    I’d go with expanded mesh on top personally.



Advertisement