HI All

Planning on constructing a carport next week... overall dimensions
approx 16ft x 19 ft - and it's in a fairly exposed situation out here
in the South-west of Ireland.

Have ordered some heavy-duty transluscent box-section sheeting (16.5ft
long by 3'2" covered width) - which will mean there's no need for
joins along the length of the sheeting. Comes complete with the right
socket-head screws for fixing.

Was going to construct the framework with four 4" square posts located
in 'Metposts', concreted into the ground, and a 6" x 2" wallplate
bolted into the wall, with 6" x 2" timber running along the sides and
down the length of the sheeting. All timber pressure-treated.

For ease of assembly, I was going to run cross-pieces of 2" x 2" fixed
at right angles to the top of the 6" x 2" to support the width of the
sheeting, and then infill along the length of the 6" x 2" with more
cut 2" x 2" (saves cutting the 2" x 2" into the 6" x 2")

Any fatal flaws that anybody can see in this plan ??

To fix the 'rafters' to the wallplates I was going to use joist
hangers...
I noticed one website where it mentioned use of joist hangers with
'engineered nails'...... does anybody know what they mean by this ?

I was planning on using some stout screws, or even bolts....
don't like bashing nails into timber that's bolted to the house
wall...

Any comments or improvement to the above scheme gaterfully received !

TIA
Adrian