Greenhouse sheets for covering run?

[Triangle Nostril]

Thinking of ideas to keep my run dry and draft free in the winter - I see people cover their run in plastic sheets to do this.
Are greenhouse sheets the best material for this? Anyone have recommendations to get the best bang for my buck?

 

[Esc_Quaily]

Sounds like a great plan. Cheapest way to do it, I think, would be to buy a second-hand greenhouse of marketplace and repurpose it for your run.
My birds live inside my greenhouse, so far we've had no issues with predators or bad weather.