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Sika Sikaflex NP 1 Aluminum Grey 10.1oz Cartridge 805596
Sikaflex NP 1 Aluminum Grey is a one-component polyurethane in a 10.1 oz cartridge. It seals moving joints and acoustical partitions and typically bonds without a primer on concrete and masonry.
- Non-sag polyurethane for moving joints and acoustical partitions
- Holds plus or minus 35% movement without a primer
- 10.1 oz cartridge, part 805596
$7.93
Availability:
In stock
( 30 Available )
Sikaflex NP 1 Aluminum Grey
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This Aluminum Grey 10.1 oz cartridge (part 805596) is for moving joints, window perimeters, and acoustical partitions. It holds plus or minus 35% movement and typically bonds without a primer on concrete and masonry. As an acoustical sealant it cuts sound transfer around cut-outs and partition perimeters.
Key Features
- One-component moisture-curing polyurethane
- Aluminum Grey 10.1 oz cartridge, part 805596
- Plus or minus 35% movement (ASTM C719)
- Acoustical sealant for partition STC
- Green concrete up to 72 hours after pour
- UL classified for fire-rated joints with Ultra Block or mineral wool
Applications
- Expansion joints in panel walls and precast
- Aluminum and wood window frames
- Acoustical partitions and cut-outs
- Interior and exterior joints above and below grade
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 805596 |
| Unit | 10.1 oz cartridge |
| Color | Aluminum Grey |
| Movement | +/- 35% (ASTM C719) |
| Shore A | 25-30 (ASTM C661) |
| Skin | Overnight or within 24 hours |
| STC | 44 dB (ASTM E90) |
| Shelf life | 15 months (cartridge) |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
Frequently Asked Questions
What joints use Sikaflex NP 1 Aluminum Grey?
Moving expansion joints, window perimeters, panel walls, precast, and acoustical partitions. Interior or exterior, above or below grade.
What size is Sikaflex NP 1 Aluminum Grey?
The cartridge is 10.1 oz (300 ml), part 805596.
What green-concrete wait does Sikaflex NP 1 Aluminum Grey need?
Up to 72 hours after the pour. Primer-173 is required on green concrete, and a mock-up is recommended. Sealing sooner than 72 hours hurts adhesion.
What movement does Sikaflex NP 1 Aluminum Grey hold?
Plus or minus 35% (ASTM C719). Shore A is 25-30 at standard conditions (ASTM C661).
What acoustical rating does Sikaflex NP 1 Aluminum Grey have?
Sound transmission class 44 dB (ASTM E90). It reduces sound transfer around cut-outs and at partition perimeters.
What fire-rated joint work uses Sikaflex NP 1 Aluminum Grey?
UL classified for fire resistance. It passes a 4-hour, 4-inch fire and hose-stream test when used with Ultra Block or mineral wool.
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