Securing Roof Joists to Wall Plates - Flat Roof

[Skavenger]

Hi;

I am building a workshop in my garden, build thread here. I am just trying to work out exactly where to fit my roof joists but when I do I need some advice on fixing them to the wall plate.

Instead of firrings I have opted to fit an additional 50mm wall plate at the rear to give a 50mm drop over a 1.3 - 2.1m span (the roof is not square). This is more than required but the easiest to achieve.

Here is a pic of one of the joists sitting on the rear additional 50mm high wall plate. What is the preferred method of fixing these - angled screws in at either side?

And here is the joist on the opposite side (note there is still a header and cripple studs to be fitted in the door opening). Joist is not yet cut to length and will overhang 150mm - 200mm TBC.

And do I need some additional fixings such as any of these from Wickes.

Many thanks

 

[chappers]

nah as long as the wallplate is fixed properly, skew nailing or screws will be fine.

 

[Skavenger]

Here is the first joist secured in place, hope it looks OK

I opted for a 200mm overhang on the front for aesthetics. And a 20mm overhang at the rear.