Measure the width of your roof trusses from inside to inside.
Alter roof trusses loft conversion.
The beams are supported by the gable ends of the roof and replace the original wooden struts which are removed once the steel beams are in place.
The usual way in which trussed loft conversions are carried out is to install steel joists across the width of the roof and running the full length of the roof.
Where you re adding a large dormer.
Often loft conversion projects can end up being a disappointment as on completion the owner finds out that roof height is very limited and as a result the space ends up being rather pokey.
The sad fact is your builder could have installed attic trusses over this garage for just slightly more than what the existing trusses cost.
Looking back i was very lucky in that my roof had an unusually high 47 degree pitch and so there was lots of head room.
The conversion from a trussed roof to a trussless roof simply involves the redistribution of the roofs weight from the trusses to beams running from gable to gable.
Most loft conversions employ at least one pair of steel beams to support the new floor structure and the roof slopes at purlin level and sometimes also at ridge level e g.
Use a chalk line to draw a line along the floor parallel to the lower edge of the roof from one end of the attic to the other on both sides.
Due to the supporting beams taking up the available space in the roof area so many builders will tell you that your loft is unconvertible however here at tvm lofts we are experts at converting this particular style of loft.