Water Behind My Siding

Here the biggest danger is water seeping in behind your siding and causing permanent damage to more vulnerable materials.

Water behind my siding. However if the flashing is broke or not properly attached water can seep behind the siding allowing mold to grow. In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl 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. Here are common problems associated with moisture behind siding.

Since water runs downward unless it s being driven by strong winds the standard method for. Window headers are another area where water and mold spores can enter your siding. Cover the exterior casing with aluminum or vinyl trim sheet. It often borders windows and doors roofs chimneys and thresholds.

Vinyl siding requires special inside and outside corner units in addition to the trim that. This can be accomplished by using a portable field brake. Install rigid head flashing i e drip cap on top of. Remember one of the main hardie siding problems is water damage however it s also one of the easiest to prevent with proper installation.

Rotting sheathing mold growth damage to foundation walls insect infestations. Siding is designed to direct water away from a home but flashing helps close the gaps between siding and other materials. Check to be sure weep holes are open along bottom of window openings. The flashing keeps water off the sheathing and drains water properly which prevents water damage.

Capillary action is a water activity in which water adheres to a surface and follow the surface around. How to prevent water from flowing under vinyl siding gravity and shedding water. Rainwater leaking from a gutter ends up behind siding and causes a wall to rot. Inspect the area above the leak including both indoors and out.

The extra thickness of the vinyl. Water which makes it s way behind the hardie siding should hit the flashing layer. So if this happens you will need to remove or replace the siding quickly before rot sets in. Flashing is a thin strip or sheet usually metal installed at junctions between exterior surfaces to control water flow.

Ensure that exterior casing is sealed to the exterior sheathing or water resistive barrier with a good quality sealant.