NPC #400 Gutter Seal 29 Aluminum 10.3 oz

The NPC #400 Gutter Seal 29 Aluminum 10.3 oz is a caulk & sealant for jobs that require NPC model/MPN 4-29 in the TB sell unit. Gutter Seal #400 is a commercial grade adhesive designed to seal all types of rain carrying systems.

Key Specs

• Brand: NPC
• Model / MPN: 4-29
• SKU: NPCGS400AL
• Sell unit: TB
• Product type: Caulk & Sealant
• Size / color: 10.3 oz
• Category: Building Materials | Building Materials/Caulk & Sealant

Key Features

• American manufactured & owned
• Substrate application range: 0ºF to 125ºF
• Cured sealant temp. range: -40ºF to 300ºF

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different caulk & sealant, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

NPC #400 Gutter Seal 29 Aluminum 10.3 oz, sold as TB, with SKU NPCGS400AL and manufacturer model/MPN 4-29.

What model or part number should I match?

Match model/MPN 4-29 and confirm the brand is NPC. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the TB sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Roofing and exterior-envelope work can involve fall hazards, weather exposure, fumes, adhesives, and system-specific installation requirements; follow the manufacturer instructions, OSHA-safe work practices, and local code or use a qualified contractor.

Product Expert Notes

Choose this item when NPC model/MPN 4-29, SKU NPCGS400AL, and the TB sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.