All beams are massive 256x256x73.
Steel beam above bifold doors.
On the outside it is covered with bricks.
This support beam was chosen as the wall above the ground floor was a single skin constructed of solid break and the span of the beam was 4m.
Bi fold doors are a different story.
To this end we recommend a heavy duty or even a rolled steel lintel above a bi fold door to ensure that there is absolutely no.
Because of how a bi fold door opens and shuts even the slightest deflection in the lintel above can render the door unusable because it simply won t slide open or shut.
I beam sliding doors is a company founded on building heavy duty light weight sliding doors for the building industry.
Also regarding fireproofing as all beams concealed inside ceiling can i just cover whole ceiling with single layer.
Builder done good job cutting them to maintain brick line.
Structural props remain in place to support the steel beam.
Some of the beams were supporting existing timber floors.
Above the rsj steel beam we dry pack the small gaps up to the first floor support with a semi dry strong 2 1 cement mixture this is compacted into the gaps between the beam and the first floors.
Just advice needed as how to insulate steel beam above the bifold door to prevent condensation.
We pride ourselves in supplying doors to fit your needs and are determined to stay in the lead of technology for sliding door systems.