Description
The Karnak 505MS Karna-Flex WB Sealant White 3.5 gal is a caulk & sealant from Karnak for exact-match material ordering. Match manufacturer model/MPN 505WB-3.5. This variant is sold as 3.5G with SKU KAR50535. 505MS Karna-Flex WB is an acrylic elastomeric, water-borne mastic formulated for use on built-up asphalt roofing, modified bitumen membranes and properly prepared, single-ply membranes (TPO, PVC, Hypalon, and EPDM) and plywood roof substrates.
Key Specs
- Brand: Karnak
- Model / MPN: 505WB-3.5
- SKU: KAR50535
- Sell unit: 3.5G
- Product type: Caulk & Sealant
- Size: 3.5 gal
- Color / finish: 3.5 gal
- Category: Building Materials | Building Materials/Caulk & Sealant
Key Features
- White elastomeric sealant.
- Easy application by brush or bulk loading caulking gun
- Excellent adhesion to many surfaces
Coverage & How Much You Need
Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.
Compatibility / Fitment
Use only with compatible systems and installation conditions specified by the manufacturer.
FAQs
What exactly am I ordering?
Karnak 505MS Karna-Flex WB Sealant White 3.5 gal, sold as 3.5G, SKU KAR50535, manufacturer model/MPN 505WB-3.5.
What unit is the price based on?
The price is for the 3.5G sell unit.
What should I match before ordering?
Match brand, model/MPN where available, size/color, sell unit, and the project specification.
Can this be substituted?
Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.
How do I estimate quantity?
Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.
Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.
Product Expert Notes
Choose this variant when Karnak, SKU KAR50535, 3.5G sell unit, and MPN 505WB-3.5 match the job requirement.
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