Don't just pick the cheapest — match load and scene.
Cast iron cheap but rusts/rattles; composite light but plain; stainless (304/316) best for landscape and crowds — no rust, no noise.
Pedestrian A15; residential/plaza B125; arterials need higher. Wrong choice collapses — don't save.
Plazas use colour-matched invisible; landscapes use decorative. Both open for service.
Coast/de-icing salt → 316L; normal → 304. ASPER customises size, opening and frame.
304/316 weathers outdoors, essentially no rust/noise.
Pedestrian A15, plaza B125 by actual load.
Frame matches paving, visually 'gone'.
Decorative/invisible stainless, pretty & serviceable.
316L resists chlorides.
Yes, size/opening/frame all custom.