1 roof window with spindle opener

The Duramax Insulated Garden Glass Room or sunroom is versatile and can be used as a garden shed

In a weekend

Optimal Growing Environment: Protects your plants from heat stress and excessive humidity

The insulated polycarbonate glazing helps retain heat better than thin single-layer coverings

Alton | Thermofor Roof Vent Opener Piston Replacement Palram - Canopia Carport 1 roof window with spindleThe Thermofor Long Piston Replacement is a direct replacement cylinder designed for Thermofor automatic roof vent openers used in Alton greenhouses. If your current opener is no longer responding properly to temperature changes, replacing the piston is a simple way to restore reliable, automatic ventilation. This heat sensitive cylinder contains a wax core that expands as temperatures rise and contracts as they cool, driving the vent to open and close