Used tercoo products previously and still don't disappoint Top product.
Needed to remove 30+ year old tar bithimun and red oxide from my narrowboat nothing else would touch it.
Made easy work of a near impossible job took back to metal ready for couple of coats of new red oxide and 4 coats of blackening.
Recommend if thinking of blackening or removing old paint work for new paint will speed the job up 110%.
Worth every penny 👍
Not to forget the promt smooth transaction with force 4 chandlery quick delivery great service👏