Free standing and non-penetrating stepover platform module short with railing to build pathways or crossovers around installations on flat and low pitched roofs. Pre-engineered Modular system composed with BIS RapidStrut® fixing rail system standing on BIS Yeti® feet equiped with non-slip anti-vibration mat to distribute load safely on roof layers. BIS Yeti® foot 480 is adjustable up to 7° to compensate for roof pitch, 360º rotatable insert for BIS RapidStrut® 41x41 or DS 5 and resistant to UV and chemical influences. BIS Yeti® foot 480 / 335 is sound certified at SG Bauakustik and UV-resistance certified by ITB. Complete solution provides very high corosion resistance against C4 environment (BUP1000 = BIS Ultra Protect®, 1000 hours resistance in salt spray test acc. EN-ISO 9227). All designs are made with respect to EN 14122.