You can do this by adding larger and stronger timber floor joists between the existing ceiling joists.
Loft conversion floor strengthening.
The loft room will also have to be separated by a fire door either at the top or bottom of the new stairs.
This is part 2 in my series of loft conversion videos.
Hi all i m in the planning process of starting a basic loft conversion in my flat which will be for used for storage and as a work area.
The new floor joists of your loft conversion will need to offer at least 30 minutes worth of fire protection which could mean replastering the ceilings in those first floor rooms below.
The plan is just to put down some 18mm chipboard insulate the roof and board off the roof and eaves.
This method ensures the thermal insulation level is maintained and your u value is not compromised.
Full length timbers are used for additional strength.
In this video i show how i cut my my joists make packer plates get the joists from the garden up int.
Sistering is the process of adding a new joist next to each existing joist.
It also provides protection against stress on the ceilings beneath.
If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.