Documentation
The Chas E. Phipps Tech / SDS Documents system is a search service to product information for the Concrete, Finishes, Masonry and Thermal and Moisture Protection Divisions. All documents are in pdf format and have been compiled from manufacturer websites.
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Product Description
View our Caulking Estimator Calculator to help with your material requirements
A one-component, high-performance, nonpriming, gun-grade, elastomeric polyurethane sealant. Complies with ASTM C-920, Fed Spec TT-S-00230C, CRD-C-541 and is USDA approved.
(Formerly known as Sonneborn NP1)
Advantages:
- One-component formula requires no mixing, helping to reduce labor costs
- Joint movement capability ±35% provides excellent flexibility for keeping moving joints weathertight
- Easy to gun and tool, speeding up application and making neater joints
- Available in Sausages, reducing jobsite waste, lowering disposal costs
- No primer required for most construction materials lowering installation costs
- Weather resistant for long-lasting weathertight seals
- Wide temperature application range makes MasterSeal NP 1 suitable for all climates
- Compatible with non-rigid coatings and can be painted
- Superior holding power for long-lasting roof tile installation
- UL listed; Passes 4–hour, 4–inch, fire and hose stream test when used with Ultra Block or mineral wool
Technical Data:
- Shore “A” Hardness: 25-30.
- Movement Capability: +/- 35%.
- Skin Time (73°F): 24 hours.
