Insert a nail in the hole where water is leaking through the roof.
Slate roof and wood beams leaking brown liquid.
5 common reasons for a roof leak.
Use a putty knife to spread the tar into the leaking hole on the inside of your roof.
The nail will provide a path for the water.
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It could be the flashing so you will need to check that as well.
Structural damage is inevitable if there is a serious and long standing roof leak.
Step 2 place a bucket underneath the nail to catch the water as it runs down the nail.
The damage from the expansion allows the wood sap to bleed or sweat out from deep within the beam.
Don t automatically assume it s the slate roof that s at fault.
Place the shingle or plywood onto the tar and spread more of the tar around the edges of your patch.
Map the roof leak.
In an attempt to decrease that pressure the molecules begin to move outwardly that results in an expansion or wound in the wood.
The flashing and the guttering are actually the weakest points of a slate roof so look at them first.
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.
Chapter seminar november 1990.