KHD Stone Merchants  supply a range of landscape engineering products from Elmich. Elmich are known for manufacturing and supplying a wide range of landscape engineering products for the landscape and construction industries.

The landscape engineering products from KHD Stone Merchants includes plastic tanks, plastic sheets, plastic paver supports and plastic drainage sheets. The VersiTank is a plastic tank that can be used for sub-surface infiltration or for storing stormwater.

KHD Stone Merchants offer a dimpled plastic sheet called the VersiDrain 8. The plastic sheet can be used to provide waterproofing membrane protection for underground structures. The VersiDrain 8 Mesh is a transparent, dimpled plastic drainage sheet with mesh. The plastic sheet functions as a seepage layer for controlling dampness on basement walls. It can be also used as a base for plastering walled underground structures.

The VersiPave GP from KHD Stone Merchants is a strong yet lightweight plastic paver support that eliminates sand usage while laying pavers. This minimises weight-bearing loads on building structures. The plastic paver support is used for constructing decks, roofs, plazas, pool surrounds and verandahs.

A roof structure covered with vegetation offers high UV resistance and withstands structural movement. KHD Stone Merchants offer green roofs systems that are covered with vegetation and placed over a waterproofing membrane. Green roofs systems may also include drainage and irrigation systems and offer benefits like improved property value and environment, reduced energy cost and better sound protection.