Ive just strengthened my loft floor.
Strengthening floor in loft.
Nail the new joist to the existing joist with two rows of 10d to 16d nails spaced 6 in.
If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.
It has a drop down loft ladder with handrail and a roof velux.
Quick loft joist question for potential loft conversion by dylant sat oct 27 2018 12 59 pm last post by dylant sat.
I ve not gone down the regulations route as it s not going to be used as a bedroom.
For this fix to work well the upper edges of the joists must be solidly fastened to the subfloor above.
It s mainly going to be used as a chill out tv room for the kids.
It s the easiest way to create safe access to equipment in your loft or simply to generate storage space while keeping your loft insulated to regulations.
Sistering is the process of adding a new joist next to each existing joist.
Plywood firmly fastened to the undersides of joists helps prevent this side to side bending and stiffens the floor.
Store floor award winning loftzone storefloor creates a lightweight but incredibly strong system of raised beams that support a safe deck above your insulation.
The existing beams were just the bedroom ceiling joists which were about 75mm x 4omm.
In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side.
Use a sledgehammer or a pry bar to force the bottom of the new joist along the mudsill and center support beam of the floor system or the opposite mudsill on short spans until it s flat against the existing joist.