What he doesn't tell you is about the 3 bags he had to throw away from mixing up to much & not been able to get it all on :RpS_wink:reskims can be a bit testing. he reckons he got through nine bags, which for a room that size is a lot.
tim is a master plasterer, he can work simultaneously with 2 floats!!
Why bother usin a banker board ? use it straight out the gorilla tub .