4-Panel Square Planter Box – 400L x 400W x 400H – Weathering Steel
Supplied as easy-build kit with 4 precision engineered weathering steel panels and fittings to build one complete planter box.
PLTR400-S400
In stock
Straightcurve precision-engineered weathering steel 400×400 square planter box kit – freestanding / without base.
Kit includes:
4 x 400mm high and 400mm wide weathering steel panels
4 x closed corner joining sets
40 x dacromet tek screws
2 x driver bits
Installation instruction video
Buy with confidence.
Build with ease.
Straightcurve easy-build weathering steel planter boxes are made with ISO Certified materials & manufacturing processes designed to deliver a high-quality product that’s quick & easy to build and achieve a flawless fit & finish.
Straightcurve Zero-Flex Planter Boxes are ideal for customers looking for a product that is…
- Stylish-looking
- Super high-quality
- Exceptionally durable
- Maintenance-free
- Quick & easy to install
- Very affordable
There are many options on the market when it comes to building a planter box for your garden, so what makes Straightcurve planters special, and why might you choose to buy them?
Ideal for those who love high-end aesthetics:
Customers love our planter boxes because they look very stylish – we’ve intentionally designed them to enhance the look & feel of the gardens they feature in. Accordingly, our Zero-Flex planter panels are:
- Made from real weathering steel for a rustic natural look that develops with a rusted patina.
- Internally joined with concealed fittings to produce clean lines and beautiful seam details.
- Precision-engineered to achieve a stylish, high-end aesthetic with every installation.
- Designed with a 45mm top edge to form a stylish, boxy profile.
Ideal for those who value high quality:
Zero-Flex Planter Box panels are:
- Very high-quality landscaping products made to exacting standards.
- Designed & manufactured to an exceptionally high standard for a flawless fit & finish.
- 2mm thick high-quality engineered weathering steel panels.
Ideal for those who want a durable product:
Zero-Flex Planter Box panels are:
- Made with weathering steel; a hard-wearing material that can last for 10 years or more
- Rock-solid and won’t budge once installed thanks to our unique joining + bracing systems.
- Quality tested to ensure landscape industry-leading durability.
Ideal for those who prioritise usability:
Zero-Flex Planter Box panels are:
- Expertly designed for quick & easy DIY installation.
- Made with smooth rolled edges to keep children & pets and other garden users safe.
- Supplied with an integrated stabilising foot for installation on level ground (no need to bury edge).
- Maintenance-free once installed and weathered.
- Square free-standing beds
- Planters in hard surface areas, ie patios & rooftops
- Tables & bench seats (create own top)
- Boxed garden beds / planters
- Outdoor furniture bases
- Storage boxes
