Header
Carnation
Carnation

Sealing Mastic

Sealing Mastic 

You buy it in 28oz tubes.

Do not be temped to use this on polystyrene because it will eat polystyrene.

Made by W R Meadows.  Called SeaTight.  Available from the Cadman store.

 http://www.wrmeadows.com/pointing-mastic-cold-applied-sealing-compound/

Available from Cadman (concrete supplier).