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MasterSeal NP1 Stone 10.1oz Polyurethane Sealant- Pack of 12 with AWF PRO Gloves. One Component, Flexible, Non Sag, Elastomeric Acoustic Sealant
4.4 (137 items)
Limited Time SaleUntil the end
03
45
51
$60.29 cheaper than the new price!!
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New $100.49
Product details
| Management number | 215646107 | Release Date | 2026/04/12 | List Price | $40.20 | Model Number | 215646107 | ||
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- Sikaflex NP 1 (Formerly MasterSeal NP 1) is a premium grade, moisture cured polyurethane sealant that has excellent adhesion and bonds to most construction materials without a primer. It can also be used in green concrete applications.
- Resists aging and weathering and is highly flexible with joint movement capability +/- 35% and has a wide temperature application range making NP 1 suitable for all climates.
- Designed for all types of joints where the sealant joint depth falls between the maximum depth of 1/2" and minimum depth of 1/4".
- Suitable for water immersion with documented performance in wet areas. It is compatible with non-rigid coatings and can be painted.
- Can also be used as an acoustical sealant to increase system STC value. It minimizes sound transfer and supports high STC ratings.
- UL Listed; Passes 4–hour, 4–inch, fire and hose stream test when used with Ultra Block or mineral wool.
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