How to Prevent Rising Moisture from Ruining Your Garden Walls

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According to Dutch moisture control experts at, external damp will ruin your home’s walls and weaken its structural integrity if you do not know how to prevent rising damp from occurring. Moisture from a variety of contributors like soil saturation, porous stone joint work, sandblast facades or pooling water sources will damage walls because of leaks or improperly installed gutters that prevent rainwater runoff from draining. Here is how to prevent rising moisture from ruining your garden walls.

Waterproof Garden Bed Wall

After external walls get exposed to moisture from leaks or rainfall, water will naturally travel toward a garden bed since plants tend to seek hydration. Rising damp will intrude through porous building material damage the exterior walls. A dry-seal waterproof compound is a safe method for reducing the amount of moisture in your garden bed.

Facade Impregnation

If you notice that there is a presence of rising damp on your building material, there is probably porous openings that are absorbing moisture and causing cracks in the wall.  Eventually, the moisture will cause peeling and breakage to occur. Facade impregnation is a widely used technique that restores or renovates building material. Impregnations protect your garden wall from vapor penetration and damage to brick, stone and blocks.

Use a Plastic Liner in Garden Bed

A plastic garden liner is a heavy-duty liner impenetrable by air or water which is an affordable solution for wet soil. As you buy it in a roll, you will have the material you need regardless of the size or shape of your garden bed. Add the plastic liner on the bottom of the bed before adding the soil and plants. This method will protect your bed from getting too much moisture. It also prevents weeds from growing through the liner. Use it on the top of the soil by cutting holes into the plastic to add the plants. The openings let you control the airflow and water sources. Weeds will grow when the liner is on top, but they will not develop beyond the soil level because the plastic will block its growth process.

Remove the Soil That Is Closest to the Home

Garden beds are often found near the exterior walls of the home. A short-term solution will be to remove the soil nearest the home so that water does not pool against the foundation. It will also prevent the condensation from rising or penetrating the walls.

Add a Drainage System in Garden Bed

A permanent solution for wet soil or rising damp is to install a drainage system in or near the garden bed to help water and moisture relocate to another area that does not interfere with a home’s walls or structural integrity. Perforated piping will channel the water in any direction which will give you a long-term solution to wet soil and damp walls.

Even if you must dig the soil out of your garden bed and start over with some of these proven methods, you will be able to fix external damp before it causes irreparable, costly issues.