Sikaflex NP1 with Gloves - White 20oz Polyurethane Sealant Non Sag, Flexible, Elastomeric Acoustic Sealant, Pack of 20

NP1 (formerly MasterSeal NP1) is a high-quality, moisture-cured polyurethane sealant with superior adhesion that bonds to most construction materials without requiring a primer. It can be used on green concrete. It resists aging and weathering and is highly flexible, with a joint movement capability of +/- 35%. Its broad temperature application range makes it suitable for all climates. It is designed for all types of joints where the sealant depth is between a maximum of 1/2" and a minimum of 1/4". It is suitable for water immersion with documented performance in wet areas. It is compatible with non-rigid coatings and can be painted. It can be used as an acoustical sealant to increase a system's STC value, reduce sound transfer, and support high STC ratings