ACD Action-104 is a high quality classic greenhouse with sloping walls. Slopping walls are beneficial because they decrease wind pressure, have a better distribution of roof weight, and have higher light and heat absorption than straight walls. Consists of firm closed tubular aluminum profiles and stainless steel bolts and nuts. 4mm horticultural glass or safety glass comes standard with this model. The sidewalls of the greenhouse are in clear glass, the roof is covered with hammered glass. ACD is a well know Belgian manufacture and supplier of high quality greenhouses & equipment for the home garden and has quite a deserved reputation as the “The greenhouse expert”. 10-ft in length by 7.5-feet high at ridge.