Make sure that the roof truss is aligned properly on each side of the wall plates.
How to fix roof trusses to wall plate.
As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate.
Roof truss damage and repairs.
Step 1 get ready.
Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger.
To fix the joists and rafters down on to the wall plates they should be toe or skew nailed to the top plate like below.
An alternative fixing to triple grip and multi grip in most cases for tiled roof.
Joist end repair plates for roof trusses.
Toenail a truss into the top of the wall plate by nailing through the sides of the bottom chord at a 30 degree angle.
Insert a 6 cm 3 1 2 inch nail through the truss base where it sets on the wall plate.
The first thing you need to do is to assess the damage.
Roof trusses are engineered components.
Given that this section of the bottom chord is likely where one of the connector plates that hold the truss.
Faster and easier to fix than triple grip no need for left or right hand.
Align the truss to the marks you made on the wall plate.
These pre punched and formed galvanised steel timber connectors are ideal for.
You can nail fix the truss into position using either method one opposite or method two below right.
If the roof truss has a small crack you will be using the two wooden boards to patch it up but if the crack is much more severe you should use the steel plates because they offer much stronger support to the damaged truss.
A ledger is a horizontal board that is attached to the top of the the wall.
When damaged or altered this can effect structural integrity of th e roof system.
Localized damage to one or two trusses will typically not result in structural failure of the roof system but could cause the roof or ceiling to sag.
For example when setting trusses you will rest each of the two ends of the truss onto opposite walls which have wall plates at the top of each wall.
Pre punched formed galvanised steel connector for securing timber rafters and trusses to timber top plates.
Install the second truss in the same way 24 inches along the wall from the first truss.
The ledger is needed to properly attach the perpendicular roof trusses to the top of the structure.
Carry the truss to the opposite end of the roof.
Nail a long 2 by 4 to the underside of the rafter on the opposite side of the truss from your diagonal brace so that it extends along the length of the roof passing through the second truss.
