Finnforest UK


GENERAL FLOOR CONSTRUCTION


The following details are general detailing and construction representations for Finnjoist used as the structural members in floors.

The building designer is responsible to ensure that details are appropriate for the end application.

Please ensure all solid timber used with Finnjoist is dried to the suitable Service Class level.



BACKER BLOCK AND WEB STIFFENER TABLE


FILLER BLOCK TABLE
     All Backer blocks to be minimum 250mm wide.
      All web stiffeners to be minimum 100mm wide.
      Use solid timber, structural ply or OSB3 to BS5268.		     Filler block to be positioned centrally at hanger and at end
       of joist.
     At the ends of 2 ply joists use 600mm wide filler blocks
       with 6 no. nails.
     For 89mm flanged I-Joists nails must be applied from both
       faces.