If you notice any of these signs try using a moisture meter which can be bought at your local hardware store.
Finding inside of wll fro attic.
To use it scan the device over the wall to find the area that has the highest moisture reading which will be where the leak is coming from.
Use a putty knife to spread the tar into the leaking hole on the inside of your roof.
You will have to enter through the inside even if the pathway to get to the beehive is.
When working from a basement inspection of the area in contact with the foundation or sill will be required.
Map the roof leak.
There can be thousands of them in there all the way from the support beams in your cellar to the trusses in your roof.
When working from an attic space it will be significantly easier to access a wall space on the floor below by.
Due to the triangular shape of all but flat roofs the rafters or joists will run perpendicular.
If you need to find the wires inside your walls you ll probably want a non invasive way to look for them.
Subterranean termites tunnel under the ground and climb up your foundation walls to feed on the inside of your walls silently for years.
If you have an exterior brick cement or stucco wall then you will not be able to make a hole in the wall.
Cut the bottom straight portion off from a metal coat hanger.
Look inside the attic if possible to identify the direction in which the rafters or joists travel.
Place the shingle or plywood onto the tar and spread more of the tar around the edges of your patch.
Not just inside your walls but inside of the wood itself.
Before you leave your attic use a measuring tape to roughly map out where the leak is so you can find it once the rain stops.
Bat guano looks like tiny elongated black pellets.