Western Red Cedar Window Boxes by Nantucket
What They Are
- Premium wood window boxes made from clear, knot-free Western Red Cedar
- Manufactured by Nantucket Post Cap Company (a long-standing U.S. maker of outdoor wood products)
- Designed for mounting under windows, on decks, or along railings
Key Features
High-Quality Western Red Cedar
- Naturally resistant to moisture, rot, and insects
- Excellent dimensional stability (won’t warp easily)
- Holds paint and stain well—or can weather naturally to a gray patina
Handcrafted Construction
- Handmade in Vermont
- Built with furniture-grade joinery for strength and longevity
- Uses stainless steel fasteners to prevent rusting
Ready-to-Finish Design
Ships sanded and unfinished
Gives flexibility to:
- Paint (white is popular)
- Stain (match deck/trim)
- Leave natural for aging
Sizes & Styles
- Available widths: 2 ft, 3 ft, and 4 ft
- Standard dimensions: about 5.5" tall x 7" wide
Style options:
- Straight (clean, modern)
- Scalloped (decorative, traditional)
Easy Installation
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Includes mounting brackets/support braces
Can be installed:
- Under windows
- On siding
- On deck rails or fences
Why People Choose Them
✅ Natural, high-end look
- Real cedar gives a warm, authentic appearance that plastic boxes can’t match
✅ Built to last outdoors
Cedar naturally handles:
- Rain
- Sun
- Temperature swings
Click HERE for Cedar Care Guide
Nantucket Post Cap offers a 90-day warranty against workmanship defects, while their PVC/Azek products often feature a 25-year warranty against rotting, splitting, or warping. Proper care is required; Mahogany caps must be sealed, and Azek/vinyl caps may need painting to avoid voiding warranties
