Insert a nail in the hole where water is leaking through the roof.
Slate roof and wood beams leaking brown liquid.
Spongy and weak water damaged wood can end in peeling paint damaged ceilings and buckled wall coverings.
Structural damage is inevitable if there is a serious and long standing roof leak.
The damage from the expansion allows the wood sap to bleed or sweat out from deep within the beam.
Map the roof leak.
The nail will provide a path for the water.
Slate roofs steven trapasso presentation to ny metro ashi inc.
It could be the flashing so you will need to check that as well.
Step 2 place a bucket underneath the nail to catch the water as it runs down the nail.
Place the shingle or plywood onto the tar and spread more of the tar around the edges of your patch.
Don t automatically assume it s the slate roof that s at fault.
5 common reasons for a roof leak.
You can also face expensive wood framing repairs if water leaks down into ceiling joists and walls.
Chapter seminar november 1990.
The flashing and the guttering are actually the weakest points of a slate roof so look at them first.
In an attempt to decrease that pressure the molecules begin to move outwardly that results in an expansion or wound in the wood.