Vinyl siding requires special inside and outside corner units in addition to the trim that.
Water behind my siding.
Window headers are another area where water and mold spores can enter your siding.
Siding is designed to direct water away from a home but flashing helps close the gaps between siding and other materials.
Here the biggest danger is water seeping in behind your siding and causing permanent damage to more vulnerable materials.
Check to be sure weep holes are open along bottom of window openings.
In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding.
It often borders windows and doors roofs chimneys and thresholds.
Inspect the area above the leak including both indoors and out.
At some point in the past an owner had vinyl siding installed over old siding.
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.
The flashing keeps water off the sheathing and drains water properly which prevents water damage.
As water flows off the roof it is important that it is channeled away from the headers using flashing.
Install rigid head flashing i e drip cap on top of.
Cover the exterior casing with aluminum or vinyl trim sheet.
Here are common problems associated with moisture behind siding.
Water can also seep in behind faux stone and other external walls around your home.
Remember one of the main hardie siding problems is water damage however it s also one of the easiest to prevent with proper installation.
Since water runs downward unless it s being driven by strong winds the standard method for.
How to prevent water from flowing under vinyl siding gravity and shedding water.
This can be accomplished by using a portable field brake.
Rotting sheathing mold growth damage to foundation walls insect infestations.
Ensure that exterior casing is sealed to the exterior sheathing or water resistive barrier with a good quality sealant.
Water which makes it s way behind the hardie siding should hit the flashing layer.
Capillary action is a water activity in which water adheres to a surface and follow the surface around.
The extra thickness of the vinyl.
However if the flashing is broke or not properly attached water can seep behind the siding allowing mold to grow.
