im wanting to build an over door / front of house canopy the lengh will be approx 21 foot /6.5 metre
the canopy will extend out approx 750mm and will be covered wit slate tiles and have a sloping roo
i am pretty confident in building the canopy and have all the tool required
but i could do with some expert advice / desig as i want the pitch etc to be correct plus the strength
the problem i have is what would be the correct way to build th supports plus fix the to the wall supports
any help would be grateful as i would like to complete this before th weather turns to ba