Sikaflex NP 1 Special Bronze is a one-component polyurethane in a 20 oz ProPak. It seals metal-panel joints and beds roof tiles and typically bonds without a primer to concrete and masonry.
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This Special Bronze 20 oz ProPak (part 805576) is for metal-panel joints and roof-tile bedding. It holds plus or minus 35% movement and typically bonds without a primer to concrete and masonry. Holding power keeps clay and concrete tiles on a weathertight bead between courses.
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 805576 |
| Unit | 20 oz ProPak |
| Color | Special Bronze |
| Movement | +/- 35% (ASTM C719) |
| Coverage (1/2 x 1/4 in) | 154 lf/gal |
| Joint 1/4-1/2 in | 1/4 inch sealant depth |
| Shelf life | 18 months (sausage) |
| Pack | 20 ProPaks per carton |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
What size is Sikaflex NP 1 Special Bronze 20 oz?
The ProPak is 20 oz (590 ml), part 805576.
What metal-panel work uses Sikaflex NP 1 Special Bronze 20 oz?
Metal-panel joints and moving perimeters, plus masonry and precast. Interior or exterior, above or below grade.
What holding power does Sikaflex NP 1 Special Bronze 20 oz have?
A bead on the upper face of the downslope tile, then the upslope tile is pressed in so both tiles bond. Clay and concrete roof tiles are in the substrate list.
What coverage does a 1/2 inch by 1/4 inch joint of Sikaflex NP 1 Special Bronze 20 oz give?
154 linear feet per gallon.
What 1/4-to-1/2 inch joints does Sikaflex NP 1 Special Bronze 20 oz want?
Sealant depth at midpoint is 1/4 inch. Depth always stays between 1/4 inch and 1/2 inch.
What 1-to-1-1/2 inch joints does Sikaflex NP 1 Special Bronze 20 oz want?
Sealant depth at midpoint is 1/2 inch.
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