Install rigid head flashing i e drip cap on top of.
Water behind my siding.
Here the biggest danger is water seeping in behind your siding and causing permanent damage to more vulnerable materials.
However if the flashing is broke or not properly attached water can seep behind the siding allowing mold to grow.
As water flows off the roof it is important that it is channeled away from the headers using flashing.
Check to be sure weep holes are open along bottom of window openings.
Flashing is a thin strip or sheet usually metal installed at junctions between exterior surfaces to control water flow.
In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding.
This can be accomplished by using a portable field brake.
It often borders windows and doors roofs chimneys and thresholds.
Since water runs downward unless it s being driven by strong winds the standard method for.
When the roof shingles do not extend past the metal drip edge the water will suck back on the metal drip edge this is called capillary action and run behind your gutters.
Inspect the area above the leak including both indoors and out.
Rainwater leaking from a gutter ends up behind siding and causes a wall to rot.
How to prevent water from flowing under vinyl siding gravity and shedding water.
Rotting sheathing mold growth damage to foundation walls insect infestations.
Capillary action is a water activity in which water adheres to a surface and follow the surface around.
The extra thickness of the vinyl.
Vinyl siding requires special inside and outside corner units in addition to the trim that.
Siding is designed to direct water away from a home but flashing helps close the gaps between siding and other materials.
Here are common problems associated with moisture behind siding.
The flashing keeps water off the sheathing and drains water properly which prevents water damage.
Cover the exterior casing with aluminum or vinyl trim sheet.
So if this happens you will need to remove or replace the siding quickly before rot sets in.
Window headers are another area where water and mold spores can enter your siding.
At some point in the past an owner had vinyl siding installed over old siding.
Water which makes it s way behind the hardie siding should hit the flashing layer.
