Gaco GacoFlex SF42 SF Seamseal Silicone White 5 gal
Regular price $480.00The Gaco GacoFlex SF42 SF Seamseal Silicone White 5 gal is a caulk & sealant for jobs that require Gaco model/MPN SF4200-5 in the 5G sell unit. GacoFlex SeamSeal, a silicone-based, solvent-free sealant combined with a reinforcing agent, adheres to seams, fasteners and other roof details in a single application.
Key Specs
- Brand: Gaco
- Model / MPN: SF4200-5
- SKU: GACSF42005
- Sell unit: 5G
- Product type: Caulk & Sealant
- Size / color: 5 gal
- Category: Building Materials | Building Materials/Caulk & Sealant
- Coverage / unit: 42 sq ft per listed unit
Key Features
- Improved adhesion
- Excellent coverage
- 100% silicone
Coverage & How Much You Need
This item is listed as 42 sq ft per listed unit. Use the project takeoff, manufacturer installation instructions, and expected waste/overlap to confirm the 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?
Gaco GacoFlex SF42 SF Seamseal Silicone White 5 gal, sold as 5G, with SKU GACSF42005 and manufacturer model/MPN SF4200-5.
What model or part number should I match?
Match model/MPN SF4200-5 and confirm the brand is Gaco. 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 5G sell unit. Confirm the unit before comparing price, quantity, or coverage.
How do I estimate quantity?
Use 42 sq ft per listed unit, then add waste or overlap per the manufacturer instructions and the project design.
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 Gaco model/MPN SF4200-5, SKU GACSF42005, and the 5G sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.
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