Retaining Walls That Beat Winter: Drainage Tips for Shuswap Homes

November 19, 2025

As winter approaches in Salmon Arm and the Shuswap Region, homeowners are gearing up to protect their properties from harsh weather, freezing temperatures, and heavy precipitation. One crucial but often overlooked element in preparing your landscape for winter is your retaining wall. At BTR Landscaping, we know that a well-built retaining wall not only adds beauty and structural support to your outdoor space but also plays a vital role in preventing soil erosion and water damage during the coldest months. In this post, we’ll share expert drainage tips to ensure your retaining walls stand strong and protect your property all winter long.


Why Proper Drainage Matters for Retaining Walls


Retaining walls are designed to hold back soil and create level spaces in sloped landscapes. However, the freeze-thaw cycles and heavy snow common in Shuswap winters can quickly turn a poorly drained wall into a major headache. Without the right drainage system, water can accumulate behind the wall, leading to increased hydrostatic pressure, cracks, bulges, or even total wall failure. Proper drainage is your wall’s best defense against winter damage.


Choosing the Right Retaining Wall Materials


The longevity of a retaining wall starts with material choice. At BTR Landscaping, we recommend durable options such as concrete blocks, natural stone, or engineered systems that are specifically designed for the region’s climate. These materials offer better resistance to water infiltration, frost heaving, and shifting soils—common issues during Salmon Arm’s cold, wet winters. Your choice of materials should be paired with professional installation to ensure that every component, from the base to the drainage features, works together seamlessly.


Drainage Design: The Key to Winter-Resistant Walls


The most effective retaining walls in the Shuswap Region are those designed with drainage in mind right from the start. Here are our top drainage recommendations:


1. Install Drainage Pipes


A perforated drainage pipe, often called a "weeping tile," should be placed at the base of the wall on the uphill side. This pipe collects and redirects groundwater away from the wall, preventing water buildup and pressure during freeze-thaw cycles. Make sure the pipe drains to a safe area away from your home’s foundation.


2. Use Gravel Backfill


Behind your retaining wall, use clean, coarse gravel instead of native soil for backfilling. Gravel allows water to flow easily to the drainage pipe and reduces the risk of water pooling behind the wall.


3. Add Filter Fabric


Install a layer of landscape fabric between the gravel backfill and the surrounding soil. This prevents soil particles from clogging the gravel and drainage pipe, ensuring consistent water flow all winter long.


4. Grade for Surface Drainage


The top of your retaining wall and the ground above it should be graded to direct surface water away from the wall. Proper grading minimizes the amount of water soaking into the ground behind your wall during rain or snowmelt events.


5. Regularly Check and Maintain


Before winter, inspect your retaining wall’s drainage system for clogs or blockages. Remove fallen leaves, debris, and check that the pipe outlets are clear. An annual inspection can catch small issues before they become expensive repairs in spring.


Why Local Expertise Matters


Retaining wall drainage isn’t a one-size-fits-all solution. Shuswap’s unique winter weather patterns, soil types, and terrain require a customized approach. BTR Landscaping’s team brings years of experience in designing and building retaining walls that withstand the challenges of local winters. We use industry-leading techniques and materials, and always prioritize clear communication and transparency throughout your project.


Get Ready for Winter with BTR Landscaping


Don’t let winter weather put your landscape at risk. Whether you’re considering a new retaining wall or need to upgrade the drainage of an existing one, BTR Landscaping is your trusted partner in Salmon Arm and the surrounding Shuswap communities. Our commitment to honesty, professionalism, and quality ensures your outdoor space is safe, beautiful, and built to last.


Ready to protect your property this winter? Contact BTR Landscaping today for a complimentary consultation. Let us help you build retaining walls that beat winter, enhance your property’s value, and bring your vision to life. Call us or visit our website to schedule your consultation and experience the BTR difference!

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