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Sika Sikaflex NP 1 Off White 20oz Sausage
Sikaflex NP 1 Off White is a one-component polyurethane in a 20 oz ProPak. It seals long roofing and fascia runs and typically bonds without a primer on concrete and masonry.
- Off White 20 oz ProPak, part 805575
- Long roofing and fascia runs with less cartridge waste
- Unopened ProPaks stay away from heat and sunlight
$13.22
Availability:
Out of stock
Sikaflex NP 1 Off White 20 oz
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This Off White 20 oz ProPak (part 805575) is for long roofing and fascia runs. It holds plus or minus 35% movement and typically bonds without a primer to concrete and masonry. Unopened ProPaks stay away from heat and direct sunlight so the 18-month sausage shelf life holds.
Key Features
- One-component moisture-curing polyurethane
- Off White 20 oz ProPak, part 805575
- Store unopened away from heat and direct sunlight
- Do not open the ProPak until joint prep is finished
- Priming and sealing stay the same day
- Lower temperature and humidity extend cure
Applications
- Long roofing and fascia runs
- Moving perimeters for interiors and exteriors
- Panel walls and precast units
- Above-grade and below-grade joints
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 805575 |
| Unit | 20 oz ProPak |
| Color | Off White |
| Movement | +/- 35% (ASTM C719) |
| Storage | Away from heat and sunlight |
| Cure note | Lower temp and humidity extend cure |
| Shelf life | 18 months (sausage) |
| Pack | 20 ProPaks per carton |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
Frequently Asked Questions
What size is Sikaflex NP 1 Off White 20 oz?
The ProPak is 20 oz (590 ml), part 805575.
What storage heat does Sikaflex NP 1 Off White 20 oz allow?
None. Store unopened containers away from heat and direct sunlight. Elevated storage temperature shortens shelf life.
What open-container rule does Sikaflex NP 1 Off White 20 oz have?
Do not open the ProPak until preparatory work is finished. It comes ready to place with a professional caulk applicator.
What same-day primer rule does Sikaflex NP 1 Off White 20 oz have?
Priming and sealing stay the same day. Primer dries to a light uniform coat; porous surfaces take more, and over-application is avoided.
What project-site adhesion test does Sikaflex NP 1 Off White 20 oz need?
Check adhesion of the cured sealant on typical test joints at the project before and during application. Special substrates may still need primer.
What humidity effect does Sikaflex NP 1 Off White 20 oz have?
Lower temperature and humidity extend cure. Published skin and full-cure times assume 75 F and 50% RH.
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