04-15-2014, 06:46 AM
Hey Reinhard,
I'm trying to find out if the Vogelsand (known as bird sand outside of Germany) has crushed oyster shells which have calcium in them. This added to a polystyrene glue like Ponal can make a joint compound - hence why it's waterproof and hard as concrete.
I'm trying to find out if the Vogelsand (known as bird sand outside of Germany) has crushed oyster shells which have calcium in them. This added to a polystyrene glue like Ponal can make a joint compound - hence why it's waterproof and hard as concrete.
Mike Kieran
Port Able Lines
" If the world were perfect, it wouldn't be " - Yogi Berra.
Port Able Lines
" If the world were perfect, it wouldn't be " - Yogi Berra.