Description
Product Overview
The BioStar 1500 Premium Cold Frame is a purpose‑built greenhouse accessory that delivers professional‑grade performance for home gardeners and small‑scale growers. Constructed with 8 mm polycarbonate double‑skin panels, the frame provides superior UV resistance, thermal insulation, and durability against the elements. Its patented design incorporates three top windows that can be opened for ventilation, three side doors for easy access, and three vent openings that allow precise airflow control. The overall dimensions of 59 × 32 × 4 inches create a compact yet spacious growing environment, while the 23‑pound weight ensures stability without being overly cumbersome to move.
Usage
Designed for outdoor use, the BioStar 1500 thrives in a variety of garden settings—from backyard vegetable patches to community allotments and commercial nursery rows. Whether you are starting seedlings early in spring, protecting tender perennials during a sudden frost, or extending the harvest period for summer crops, this cold frame offers a controlled micro‑climate that mitigates temperature fluctuations. The adjustable vents enable you to fine‑tune airflow based on weather conditions, making it suitable for regions with high humidity, strong winds, or intense sunlight. Its easy‑assembly process, which only requires drilling holes for the ventilators and optional automatic opener, means you can have the frame operational within an hour.
Why Choose Us
Exaco’s commitment to quality is evident in every aspect of the BioStar 1500. The polycarbonate panels come with a ten‑year guarantee against yellowing, ensuring long‑term clarity and light transmission. The double‑skin construction not only improves insulation but also adds an extra layer of protection against impact and weathering. Our patented design has been tested for wind resistance and can withstand gusts up to 45 mph without deformation. Additionally, the frame’s modular components are engineered for straightforward replacement, reducing long‑term maintenance costs. With a 4.1‑star rating from over a hundred verified customers, the BioStar 1500 has proven its reliability and value in real‑world gardening scenarios.
Key Features
- UV‑resistant 8 mm polycarbonate double‑skin panels keep plants warm and protected.
- Three adjustable vents provide precise airflow control for optimal plant health.
- Patented design with three top windows and three side doors for easy access.
- Simple assembly requiring only basic tools; no complex hardware needed.
- 10‑year guarantee on panes and responsive customer support for peace of mind.
FAQ
Can the BioStar 1500 be used in winter?
Yes, the insulated polycarbonate panels and adjustable vents allow you to retain heat while preventing condensation, making it suitable for protecting seedlings during cold months.
Is the frame compatible with automatic vent openers?
Absolutely. The design includes pre‑drilled mounting points for optional automatic vent openers, enabling hands‑free climate control.
How does the UV‑resistant coating work?
The coating blocks harmful UV rays that can degrade plant tissue and cause pane yellowing, while still allowing the full spectrum of light needed for photosynthesis.
What is the recommended placement for optimal performance?
Place the frame in a sunny location with at least six hours of direct sunlight per day. Ensure the base is level and secure to maximize heat retention.
Do you offer replacement parts?
Yes, Exaco provides a full range of replacement panels, vents, and hardware, backed by a dedicated support team to assist with installation.




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