Week 1 – Bullring Birmingham full roof redecorate. 20th July 2018 Week 1 – Bullring Birmingham full roof redecorate. Surface prep (st3) and three coat Sherwin Williams paint system (C88 & C237v2 ?).. looking good lads! Share: Newer Post St3 & St2 surface preparation at height! Older Post To think that at one point it was considered to be more ‘cost effective’ to tear this beautiful 52,000 2ft World War 2 (type C) hanger down and start again!