The role of the horizontal beam is to tie the truss together and carry the load that would otherwise be sustained by the support and vertical timber also known as the king post.
Truss roof attic conversion before and after.
Measure in from the lower edge of the roof to a point 1 4 the width of the truss on either side of the attic.
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 main problem with raising the roof is that it requires planning permission and there s a fairly good chance this will be refused especially for terraced.
See more ideas about loft conversion loft room loft spaces.
Room in roof trusses can be craned into place to form the shell of a ready made new loft room with the insulation placed above the rafters for maximum thermal efficiency.
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.
Attic conversions are now possible by replacing the truss rafters with a shaped trusses or horizontal beams which in return create additional space.
If the roof slope is steeper than 9 inches in 12 inches of run it doesn t take much width to end up with a nice room 12 feet wide with an 8 foot.
Attic trusses have a rectangular shape inside each truss.
Feb 5 2018 explore helen wyeth s board loft conversion truss roof on pinterest.