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Sika Sikaflex NP 1 Medium Bronze 20oz Sausage
Sikaflex NP 1 Medium Bronze is a one-component polyurethane in a 20 oz ProPak. It seals storefronts, fascia, parapets, and vinyl siding and typically bonds without a primer.
- Medium Bronze 20 oz ProPak, part 805574
- Storefronts, fascia, parapets, and vinyl siding
- Cuts sound transfer around partition cut-outs
$13.22
Availability:
Out of stock
Sikaflex NP 1 Medium Bronze 20 oz
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This Medium Bronze 20 oz ProPak (part 805574) is for storefronts, fascia, parapets, and vinyl siding. It holds plus or minus 35% movement and typically bonds without a primer on concrete and masonry. Around partition cut-outs it cuts sound transfer and supports the system STC.
Key Features
- One-component moisture-curing polyurethane
- Medium Bronze 20 oz ProPak, part 805574
- Storefronts, fascia, parapets, and vinyl siding
- Cuts sound transfer around partition cut-outs
- ISO 11600-F-25LM classification
- 20 ProPaks per carton
Applications
- Storefront assemblies, fascia, and parapets
- Vinyl siding joints
- Acoustical partitions at cut-outs and perimeters
- Interior and exterior joints above and below grade
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 805574 |
| Unit | 20 oz ProPak |
| Color | Medium Bronze |
| Movement | +/- 35% (ASTM C719) |
| Sound insulation | 44 dB (ASTM E90) |
| ISO class | ISO 11600-F-25LM |
| Pack | 20 ProPaks per carton |
| Shelf life | 18 months (sausage) |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
Frequently Asked Questions
What size is Sikaflex NP 1 Medium Bronze 20 oz?
The ProPak is 20 oz (590 ml), part 805574, 20 per carton.
What storefront work uses Sikaflex NP 1 Medium Bronze 20 oz?
Storefront assemblies, fascia, parapets, and vinyl siding. Interior or exterior, above or below grade.
What carton count does Sikaflex NP 1 Medium Bronze 20 oz ship?
20 ProPaks per carton.
What sound transfer does Sikaflex NP 1 Medium Bronze 20 oz cut?
Spaces around partition cut-outs and at partition perimeters. Sound insulation is 44 dB (ASTM E90).
What backer rod does Sikaflex NP 1 Medium Bronze 20 oz need?
Closed-cell backer rod approximately 1/8 inch larger than the joint width, or soft rod approximately 25% larger. Do not prime or puncture the rod. A polyethylene bond breaker is used where depth will not take a rod.
What ISO class does Sikaflex NP 1 Medium Bronze 20 oz meet?
ISO 11600-F-25LM. It is also classified to ASTM C920 Type S Grade NS Class 35 Use NT M A T O and I.
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