Product description the chiptoolz rafter finder center line locator is the easiest way to find the center of a rafter ever.
Roof truss stud finder.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.
The finder also includes the ability to detect live ac wires to avoid drilling into dangerous electrical hazards.
These stud finders work the same way as normal stud finders but cost more.
Level to get to the desired height.
The finder beeps when it finds a stud.
Place a clothes pin on the edge of a shingle directly over the truss to mark the location.
If this distance measures 4 inches you have a 4 in 12 pitch.
High density stud finders will see through the plywood and find the rafters inside the attic.
Studscan for studs up to 0 75 deep and deepscan for targets around 1 5 deep.
How to transfer stud locations vertically.
8 inches and you have an 8 in 12 pitch.
Trusses run in a straight line from the edge of the roof to the peak.
Transfer stud positions up and down with a 4 ft.
Capable of detecting both wood and metal studs the finder will flash and beep once it has picked up the edge of a stud.
Or measure from an end wall to the stud location.
It includes two scanning modes.
A typical asphalt shingle roof has a layer of wood based sheet material usually plywood or chipboard and normally with a layer of tar paper.
Hold the hd stud finder approximately 1 inch away from the roof surface and slide it across the roof.
The reason is that stud finders are designed to scan through sheet materials such as drywall or plywood that have a fairly smooth surface and consistent thickness and density.