Attic frame truss with straight bars

Attic frame truss with straight bars is meant for storage room and it cannot be converted into a dwelling space.  

The truss requires a supporting partition wall. Bottom chord length of the attic frame truss with straight bars can be maximum 12 metres and attic space loading approx. 200 kg/m2. Attic width by its lower part is approx. 1/3 of the bottom chord length, max width is in any case 3000 mm.

More information on trusses (RT card 85-10495) (in Finnish only): http://www.rakennustieto.fi/rtnet/10495/index.htm