Watch how to apply MasterSeal NP 2, a multi-component, highly flexible, high performance, non-priming, polyurethane sealant (Video Transcript). Then learn more about the materials, tools and accessories required to do the job safely and efficiently.
MasterSeal NP 2 Sealant Application Video Transcript
Ensure substrate is structurally sound, fully cured, dry and clean
Use [MasterSeal P 176] primer as necessary
If required, install the appropriate size backer rod for the joint
Open the pail and remove the NP 2 activator and plastic sheet
Open and pour the NP 2 activator into the pail
Thoroughly mix for 4-6 minutes with a slow speed drill and sealant mixing paddle
Add MasterSeal 900 pigment into the pail
Continue mixing until the pigment is evenly dispersed
Draw sealant into caulking gun
Attach cone to the caulking gun
Cut the cone slightly smaller than the width of the joint
Fill joint from the deepest point, to the surface
Dry tool joints to create a smooth, concave shape
Refer to the MasterSeal NP 2 technical data guide for more information.
Sealant Application Materials, Tools and Accessories