Can I install a trough-style double sink on a single vanity in a Calgary bathroom?

Yes, you can install a trough-style double sink on a single vanity, but you'll need adequate vanity width (minimum 60 inches, ideally 72+ inches) and proper plumbing configuration to make it functional and code-compliant in Calgary.

Trough sinks create a sleek, modern look that's increasingly popular in Calgary bathroom renovations, especially in master ensuites where couples want shared sink space without the visual bulk of two separate basins. The key considerations are vanity size, plumbing requirements, and practical functionality for daily use.

Vanity sizing is critical for trough sink success. A 48-inch vanity is too narrow for a functional double trough — you'll end up with cramped elbow space and splashing issues. Start with a minimum 60-inch vanity, though 72 inches provides much better usability. The trough itself should be at least 48 inches long to give each user adequate space. Popular trough materials in Calgary include concrete (custom-poured for exact fit), natural stone (granite or marble), and engineered materials like Caesarstone or Silestone that can be fabricated with integrated trough basins.

Plumbing configuration requires careful planning. You'll need two separate drain connections even though it's one continuous basin — this ensures proper drainage and meets Alberta plumbing code requirements for double occupancy. Most trough installations use two separate P-traps connected to individual drain lines, or a single larger P-trap with dual connections. Water supply can be handled with two separate faucets (wall-mounted or deck-mounted) or a single long faucet designed for trough applications. If you're converting from a single-sink vanity, you'll likely need additional plumbing rough-in work, which requires a Calgary plumbing permit.

Calgary's hard water makes faucet selection particularly important for trough sinks. The larger basin surface shows water spots and mineral deposits more prominently than traditional sinks. Choose brushed nickel, matte black, or other finishes that hide hard water staining better than polished chrome. Wall-mounted faucets are popular with trough sinks because they keep the basin rim clean, but they require plumbing rough-in behind the wall during renovation.

Consider the practical realities of shared sink space. While trough sinks look stunning, they offer less privacy and storage than two separate sinks. Water from one person's use can splash toward the other user's area. The continuous basin means no divider for personal items. Some Calgary homeowners love the open, spa-like feel, while others find they miss having separate sink territories. Think about your morning routines and whether shared sink space works for your household.

Installation requires professional expertise. Trough sinks are typically heavy (especially natural stone or concrete versions) and require proper vanity support and precise leveling. The plumbing connections must be perfectly positioned to align with the drain locations. Waterproofing around the basin edges is critical to prevent water damage to the vanity cabinet below. This isn't a DIY project — hire a qualified bathroom renovation contractor who has experience with trough sink installations.

Budget considerations for Calgary installations range from $2,500-$6,000+ for the complete trough sink setup, including the basin, vanity modifications, plumbing rough-in, and installation labor. Custom concrete or natural stone troughs cost more but can be sized exactly for your space. Prefabricated trough sinks in standard sizes offer more predictable pricing but may require vanity modifications to fit properly.

Need help finding a bathroom renovation contractor experienced with trough sink installations? Calgary Bath Remodeling can match you with local professionals who specialize in modern bathroom designs and complex plumbing configurations.