High‑Performance Rubber Sub‑Base for Wet Pour Systems Our SBR Base 2–6mm is a durable, impact‑absorbing rubber granule blend designed specifically for use as the sub‑base layer in wet pour safety surfacing. Engineered for strength, stability, and long‑term performance, it forms the essential foundation beneath coloured EPDM top layers in playgrounds, parks, recreational spaces, and any area requiring a compliant safety surface. Wet pour systems are built using a two‑layer approach: SBR Base Layer – providing structural integrity and shock absorption EPDM Top Layer – delivering colour, texture, and final safety performance Both layers are created by combining rubber granules with a specialist polyurethane binder to produce a seamless, flexible surface that can be trowelled, levelled, and finished with precision. Why Choose Our SBR Base 2–6mm? Consistent Granule Size (2–6mm): Ensures reliable compaction and a smooth, even base. Excellent Impact Absorption: Supports compliance with required Critical Fall Height (CFH) ratings. Strong, Stable Foundation: Designed to work seamlessly with EPDM top layers for long‑lasting performance. Versatile Application: Ideal for playgrounds, schools, parks, pathways, and multi‑use recreational areas. Easy to Mix & Install: Works perfectly with wet pour‑specific resin binders in forced‑action mixers. Installation & Performance The SBR base layer is typically installed at a minimum depth of 20mm, with thickness adjusted depending on the CFH requirements of the project. Once mixed with binder, the material can be spread, levelled, and trowelled to create a smooth, stable platform ready for the EPDM top layer. After installation, wet pour surfaces generally cure within 24–48 hours, although curing times can vary depending on temperature and site conditions.