Chapter seminar november 1990.
Slate roof and wood beams leaking brown liquid.
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.
It could be the flashing so you will need to check that as well.
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.
Structural damage is inevitable if there is a serious and long standing roof leak.
The nail will provide a path for the water.
In an attempt to decrease that pressure the molecules begin to move outwardly that results in an expansion or wound in the wood.
Place the shingle or plywood onto the tar and spread more of the tar around the edges of your patch.
Spongy and weak water damaged wood can end in peeling paint damaged ceilings and buckled wall coverings.
You also need to check the sheathing under the slates when you re fixing leaks.
Use a putty knife to spread the tar into the leaking hole on the inside of your roof.
You can also face expensive wood framing repairs if water leaks down into ceiling joists and walls.
Map the roof leak.
Insert a nail in the hole where water is leaking through the roof.
Slate roofs steven trapasso presentation to ny metro ashi inc.