PVC Cover for Gardman 4 Tier Growhouse PVC replacement cover for the Gardman 4 Tier Growhouse. The cover incorporates a roll-up zipped door, frame ties & wall fixing eyelets. FREE POSTAGE £12.95 Quantity: at £12.95 each Add To Basket A strong PVC replacement cover for the Gardman 4 Tier Growhouse. The cover will also fit growhouses manufactured by other companies with dimensions of; Width - 69cm (approx. 2' 3") Depth - 49cm (approx. 1' 7") Height - 160cm (approx. 5' 3")The replacement growhouse cover has a strong PVC construction & incorporates a roll-up zipped door. The PVC replacement growhouse cover comes complete with frame ties & wall fixing eyelets.