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Sika Sikaflex NP 1 Black ProPak 20oz Sausage 805570
Sikaflex NP 1 Black ProPak is a one-component polyurethane in a 20 oz sausage. It seals moving joints, beds roof tiles, and sticks vinyl siding with plus or minus 35% movement.
- Black 20 oz ProPak, part 805570
- Holds roof tiles with a weathertight bead between courses
- 18-month unopened ProPak shelf life
$13.22
Availability:
In stock
( 100 Available )
Sikaflex NP 1 Black ProPak
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This Black 20 oz ProPak (part 805570) is for moving joints, roof-tile bedding, vinyl siding, and below-grade work. It holds plus or minus 35% movement and typically bonds without a primer. The ProPak cuts cartridge waste on long joint runs, with an 18-month unopened shelf life.
Key Features
- One-component moisture-curing polyurethane
- Black 20 oz ProPak, part 805570
- Superior holding power for roof-tile bedding
- Vinyl siding, fascia, and parapet joints
- Weather resistant weathertight seals
- 18-month sausage shelf life
Applications
- Clay and concrete roof-tile bedding
- Vinyl siding and storefront assemblies
- Fascia, parapets, and roofing joints
- Below-grade moving joints
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 805570 |
| Unit | 20 oz ProPak |
| Color | Black |
| Movement | +/- 35% (ASTM C719) |
| Service temperature | -40 F to 180 F |
| Weathering | Passes ASTM C793 |
| Shelf life | 18 months (sausage) |
| Pack | 20 ProPaks per carton |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
Frequently Asked Questions
What roof-tile work uses Sikaflex NP 1 Black ProPak?
A bead on the upper face of the downslope tile, then the upslope tile is pressed into the sealant so both tiles bond. Clay and concrete roof tiles are in the substrate list.
What size is Sikaflex NP 1 Black ProPak?
The ProPak is 20 oz (590 ml), part 805570.
What siding work uses Sikaflex NP 1 Black ProPak?
Vinyl siding, storefront assemblies, fascia, and parapets. Interior and exterior, above and below grade.
What shelf life does Sikaflex NP 1 Black ProPak have?
18 months in the unopened sausage, stored away from heat and direct sunlight. Elevated storage temperature shortens shelf life.
What weathering does Sikaflex NP 1 Black ProPak pass?
ASTM C793 weathering with no surface cracking (ASTM G26). Service range is -40 F to 180 F.
What below-grade work uses Sikaflex NP 1 Black ProPak?
Above and below grade, including immersed joints after a 21-day cure. Documented wet-area performance is on the sheet.
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