
NPC Gutter & Lap Seal Co-Polymer Rubber Sealant, White, 8 oz Tube
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NPC Gutter & Lap Seal Co-Polymer Rubber Sealant, White, 8 oz Tube
NPC Gutter & Lap Seal is a co-polymer rubber based sealant made for most gutter installations, supplied in an 8 oz tube in White (color 53). It adheres well to metals and stays flexible year round, and it can be applied in all four seasons. Ideal for sealing laps, seams and end caps on new gutter installations.
Key Features:
- Rubber-based sealant: Co-polymer rubber formulation designed for gutter and lap sealing.
- Adheres to metals: Good adhesion to metals, including common gutter materials.
- Year round flexibility: Stays flexible through seasonal temperature swings.
- 4 season application: Can be applied in all four seasons.
- New installations: Ideal for use on most gutter installations, especially new work.
- Convenient 8 oz tube: Comes in an 8 oz cartridge-style tube in White (53).
Specifications Table:
| Specification | Details |
|---|---|
| Brand | NPC |
| Sell unit | 1 tube, 8 oz |
| Product line | Gutter & Lap Seal |
| Available colors | White (53) - 1 item listed |
| Available sizes | 8 oz (1 item listed) |
| Material | Co-polymer rubber based sealant |
| Finish / texture | White |
| Dimensions | 8 oz tube |
| Intended use | Sealing gutter laps, seams and joints; ideal for new gutter installations |
Fit and Compatibility:
Use on most gutter installations and metal lap joints, including new aluminum and steel gutter systems. Surface preparation and tooling follow standard sealant practice.
Frequently Asked Questions (FAQ):
Q: What is included?
A: One 8 oz tube of NPC Gutter & Lap Seal in White (color 53).
Q: What is it for?
A: Sealing laps and seams on most gutter installations, and it is ideal for new installations.
Q: Does it stick to metal gutters?
A: Yes, it has good adhesion to metals.
Q: Can I apply it in cold weather?
A: Yes, it is rated for 4 season application and remains flexible year round.
Q: How much seam will one tube seal?
A: Coverage is not stated in the sources; tube yield depends on bead size and joint width.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
This is the right sealant for gutter end caps, miters and slip joints where metal movement matters: the rubber co-polymer stays flexible through freeze-thaw better than brittle acrylics. Clean and dry the metal, tool the bead fully into the lap, and plan to use a full tube per gutter run section on new installs. For heavy seam rebuilds or older joints, clean out old sealant first for best adhesion.
Use ventilation and keep sealant off skin and eyes per the label and safety data sheet; trim the nozzle carefully with a utility knife.
Add NPC Gutter & Lap Seal 8 oz white sealant to your next gutter installation order.
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