Cement render is a pre-mixture of sand, cement, lime and clay, which is then applied onto cement surfaces such as brick or cement block, stone and are used for exterior or interior walls.cement rendering improves the quality of the outside walls and strengthen their resistance against the effects of the weather. Cement render greatly gives you the opportunity to enhance the appeal and value of your home. Professional Rendering Services. Quality workmanship guaranteed. Graham’s rendering provides cement rendering Brisbane, colour rendering, house rendering, render fence, rendered wall and solid plastering. We service all suburbs in Brisbane, Logan, Gold Coast and Ipswich. Cement Rendering specialist both Residential and Commercial.