Blanco 440066 Diamond 1-3/4 Double Sink Cutout
Description
The Blanco 440066 Performa Cascade brings timeless White SILGRANIT finish to the innovative dual-depth cascade design. This 32x19.5-inch undermount sink divides the basin into distinct functional zones: a spacious 21.5-inch left bowl with full 10-inch depth for washing large items, and an 8-inch right section with 7.75-inch cascade platform for drying and draining. Our precision-engineered DXF template provides professional fabricators with verified cutout specifications across four installation variants. The bright white finish coordinates seamlessly with both light and dark countertop materials, making it one of the most versatile color options in the Performa Cascade series. Each template variant ensures accurate CNC cutting paths for granite, quartz, and engineered stone installations.
Dimensions
- Overall Width
- 32"
- Overall Depth
- 19.5"
- Bowl Width
- 30"
- Bowl Depth
- 17.5"
- Corner Radius
- 0.75"
Specifications
- Manufacturer
- Blanco
- Model Number
- 440066
- Installation Type
- Undermount
- Bowl Configuration
- Single
- Material
- Silgranit-Composite
- Min. Cabinet Width
- 36"
- Downloads
- 0
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The Blanco 440066 Performa Cascade brings timeless White SILGRANIT finish to the innovative dual-depth cascade design. This 32x19.5-inch undermount sink divides the basin into distinct functional zones: a spacious 21.5-inch left bowl with full 10-inch depth for washing large items, and an 8-inch right section with 7.75-inch cascade platform for drying and draining. Our precision-engineered DXF template provides professional fabricators with verified cutout specifications across four installation variants. The bright white finish coordinates seamlessly with both light and dark countertop materials, making it one of the most versatile color options in the Performa Cascade series. Each template variant ensures accurate CNC cutting paths for granite, quartz, and engineered stone installations.
Installation Overview
The 440066 Performa Cascade requires careful planning to optimize the offset bowl configuration during installation. Overall dimensions of 32 inches wide by 19.5 inches deep fit standard 36-inch base cabinets with room for side support. The interior spans 30x17.5 inches total, divided by the cascade ledge into a 21.5-inch wide left bowl and an 8-inch right section. This asymmetric layout provides maximum washing capacity on the left while the narrower right section serves as a dedicated drying and draining zone with the included mesh colander. The left bowl's full 10-inch depth handles stockpots and baking sheets, while the right section's 7.75-inch platform sits elevated for optimal water runoff. Undermount installation requires clips attached to the 1.5-inch rim and silicone adhesive bonding to the countertop underside. Position the 3.5-inch drain in the deeper left bowl, offset toward the rear for optimal drainage without interfering with the cascade ledge. The white SILGRANIT finish shows water spots and mineral deposits more readily than darker colors, so educate customers on daily drying for best appearance. At 40 pounds empty weight, ensure cabinet bracing can support the installed sink plus water and dishes.
CNC Cutting Notes
Programming CNC paths for the 440066 requires attention to the 30x17.5-inch interior bowl dimensions that define all cutting variants. Our no-reveal template cuts exactly to these bowl dimensions for flush rim-to-stone contact on the countertop underside. The 1/8-inch reveal variant reduces the cutout to 29.75x17.25 inches, creating a subtle stone lip around the sink opening that's popular in modern kitchen designs. The 1/2-inch overhang variant cuts 29.0x16.5 inches for more dramatic reveal and easier clip installation without interference. The drop-in variant cuts to the full 32x19.5-inch sink perimeter for rare top-mount applications. All variants incorporate 0.75-inch corner radii matching the SILGRANIT bowl contours for precise fit. Maintain 0.010-inch tolerance on critical dimensions during CNC programming. For granite and quartz cutting, use diamond-tooled waterjet or CNC with continuous water cooling to prevent heat buildup and edge chipping. Polish cutout edges to 400-grit minimum for professional undermount installations - the white sink finish shows imperfections more readily than darker colors. The generous bowl dimensions provide ample space for clip placement adjustments during installation.
Material Compatibility
The Performa Cascade 440066's white finish offers exceptional versatility in countertop pairing options. White SILGRANIT coordinates beautifully with the full spectrum of granite and quartz colors, from classic white Carrara-look quartz to dramatic black granite. The 40-pound installed weight requires solid substrate support - three-centimeter quartz provides ideal rigidity for the undermount installation. Two-centimeter quartz can work with additional support rails around the perimeter, though 3cm is strongly recommended for long-term stability. Granite installations of 2cm or 3cm thickness both perform well, though verify adequate material remains around the 30x17.5-inch cutout - maintain minimum 4 inches to slab edge. The white finish particularly complements colored and patterned countertops where darker sinks might create too much contrast. SILGRANIT's heat resistance to 536°F pairs well with granite's thermal properties, though hot cookware should still use trivets. For solid surface installations, use minimum 3cm thickness to support the undermount weight and cascade ledge design. Avoid installations in tile or thin laminate that cannot provide structural support for the basin weight.
Where to Buy
The Blanco 440066 Performa Cascade in White is widely available through kitchen and bath showrooms, plumbing retailers, and online vendors including The Sink Boutique, Ferguson, and specialty kitchen retailers. Retail pricing typically ranges from $650 to $1,000 depending on retailer, promotions, and included accessories. The sink includes a custom-fit stainless steel mesh colander for the cascade ledge and a 3-inch basket strainer. Professional fabricators can source through plumbing wholesalers with trade pricing advantages. White is among the most popular SILGRANIT finishes, ensuring good availability and stock levels. The Performa Cascade series is available in multiple colors with identical dimensions - models 440063 (Cafe Brown), 440064 (Metallic Gray), and 440067 (Metallic Gray reverse) all use this same template. Consider stocking this template for the entire Performa Cascade series regardless of color variant.