Dunlop Render Joint and Patch compound is a two-in-one formulation suitable for jointing fibre-cement sheet and blue board prior to rendering as well as patching cracks and holes of existing render to a depth or width of up to 5mm. Joint and Patch compound is a ready-to-use, high-quality patching compound supplied in a resealable 4-litre pail. Render Joint and Patch have superior workability and their texture will provide a seamless result when used for patching existing render.