Quick Sedum also offers you accessories to install and maintain your sedum garden roof: - Root protection: to be placed on the waterproofing layer if it is not resistant to roots - Geotextile: to be placed on the waterproofing (or anti-root protection) to protect it during the installation of Quick Sedum Trays and to extend the life of the waterproofing by avoiding expansion phenomena due to temperature fluctuations. - Slow release fertilizer: apply once a year in early March, 3kg/100m²