Instead of traditional screed methods like Dry Screed, Semi Dry Screed or Manual Mix / handmix screed systems, Gray`s “Self-Compacting” concrete / screed comes with fast, Clean QAQC Approved system, As it is fast, high quality process. Fast Setting and Durable for follow on Trades. Gray`s S.C Screed is achievable 400-700M2 at single casting.