Hi all
Can't get a definitive answer from truss supplier, bi-fold installer or architect (unbelievably!!).
I'm building a bungalow extension with block walls up to the wall plate and a 4.5m opening in the gable end for bi-fold doors. The last truss on the gable end is spec'd as a timber frame panel i.e. ply faced. There is, therefore, no need for a lintel/steel as the timber replaces the need for block work above.
However, I obviously need to close the gap between the top of the bi fold frame and the underside of the truss. The bi-folds are not weight bearing/reliant on above but need to be fixed. Has anyone installed bi-folds with this setup as opposed to a traditional steel beam?
If so, what size/type of timber can be attached and dropped down from the truss that will neither deflect nor sag. Should it have a bearing on the block work either side of the opening e.g. 150mm on each side (4.8m overall length).
Also, should the timber be integral to the truss or can a solution be designed retrospectively i.e. once the truss is installed. To confirm, the timber that will be used will not be weight bearing - it will act only to close the gap and allow a fixing for the door frame and will be fixed to the truss.
Thanks in advance!
Can't get a definitive answer from truss supplier, bi-fold installer or architect (unbelievably!!).
I'm building a bungalow extension with block walls up to the wall plate and a 4.5m opening in the gable end for bi-fold doors. The last truss on the gable end is spec'd as a timber frame panel i.e. ply faced. There is, therefore, no need for a lintel/steel as the timber replaces the need for block work above.
However, I obviously need to close the gap between the top of the bi fold frame and the underside of the truss. The bi-folds are not weight bearing/reliant on above but need to be fixed. Has anyone installed bi-folds with this setup as opposed to a traditional steel beam?
If so, what size/type of timber can be attached and dropped down from the truss that will neither deflect nor sag. Should it have a bearing on the block work either side of the opening e.g. 150mm on each side (4.8m overall length).
Also, should the timber be integral to the truss or can a solution be designed retrospectively i.e. once the truss is installed. To confirm, the timber that will be used will not be weight bearing - it will act only to close the gap and allow a fixing for the door frame and will be fixed to the truss.
Thanks in advance!