Np1 Spec Sheet - Web used as an acoustical sealant, masterseal np 1 reduces sound transmission in partition systems to support high stc values by. Web masterseal® np 1 (formerly sonolastic np 1) is a product in the elastomeric joint sealants category. How to apply masterseal® np 1. Web features and benefi ts 11 standard colors to match most common substrates flexible to keep moving joints weathertight. Web features and benefits 11 standard colors to match most common substrates flexible to keep moving joints weathertight. Web 35g/l less water and exempt solvents.
Web 35g/l less water and exempt solvents. Web masterseal® np 1 (formerly sonolastic np 1) is a product in the elastomeric joint sealants category. How to apply masterseal® np 1. Web used as an acoustical sealant, masterseal np 1 reduces sound transmission in partition systems to support high stc values by. Web features and benefits 11 standard colors to match most common substrates flexible to keep moving joints weathertight. Web features and benefi ts 11 standard colors to match most common substrates flexible to keep moving joints weathertight.