Circuits shall be run perpendicular to the roof pen etration point to supports a minimum of 25 cm.
Securing roof sheathing from below.
If you find a double truss you can use a simpson h10 2 or usp rt16 2 bracket to go around both trusses.
When winds blow against the gable end they push it towards the interior of the house and push up on the roof overhanging the gable end.
Kick out flashing is critical where a roof edge meets a sidewall.
First the most common type of failure is loss of roof sheathing from the gable end that results in the gable wall loosing its bracing along the top edge.
And scroll down to see more details on each with installation hints and tips below.
Then we re going to use a scrap of 2x4 to space off the square and strike a line there.
The fasteners securing roof sheathing must penetrate into the supporting roof framing to prove effective.
This is worst when there is a door or a window below and water can seep behind the trim.
Check the nailing surface is level step 2.
To figure out for the sheathing snap line swing the square over to the pitch of the roof in this case it is a six pitch and strike a line right there.
But the canadian stuff is the best.
Shiners i e nails that miss roof framing when hammered into place and whose metal surfaces shine when viewed from the attic space below provide no strength and no withdrawal capacity and constitute.
10 in below roof decking.
Ventilate the roof according to current building codes step 3.
Anyway i did the roof but i think i ll stick with osb sheathing there aren t any voids that i have ever found and it seems to be stronger than 1 2 inch plywood unless you buy 5 8 or 3 4 inch stuff.
Without it roof runoff flows down the wall and possibly into the wall.
Apply adhesive along the connection between the roof sheathing and rafters in a continuous bead much like caulk around a bathtub or apply adhesive to two adjacent sides of 1 by 2 blocks 6 inches.
This indicates the truss tails extending past the walls.
You might not notice it for years but eventually rot will destroy sheathing and framing.
Use 1 1 2 long 8 deck screws or 8d nails to attach the straps to the truss but use 2 1 2 long 8 deck screws or 8d nails to connect through the sheathing and into the top plate members.
Properly fasten panels including fastening and spacing hints step 4.
Slide the sheet one rafter width over the end of the roof so the edge is centered on the next rafter offset one rafter spacing from the first piece of installed sheathing from the row below.