The RM Lucas #5500 Mastic Grade Seam Sealer 3 gal is a tpo membrane accessories from RM Lucas for exact-match material ordering. Match manufacturer model/MPN 5500M-3. This variant is sold as 3G with SKU LUC5500M3. Intended for sealing seams and fasteners on metal roofs and TPO.

Key Specs

• Brand: RM Lucas
• Model / MPN: 5500M-3
• SKU: LUC5500M3
• Sell unit: 3G
• Product type: TPO Membrane Accessories
• Size: 3 gal
• Color / finish: 3 gal
• Category: Commercial Roofing | Commercial Roofing/Membrane Accessories | Commercial Roofing/Membrane Accessories/TPO Membrane Accessories

Key Features

• Verify exact model, size, color, sell unit, and system compatibility before ordering.

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?

RM Lucas #5500 Mastic Grade Seam Sealer 3 gal, sold as 3G, SKU LUC5500M3, manufacturer model/MPN 5500M-3.

What unit is the price based on?

The price is for the 3G 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 RM Lucas, SKU LUC5500M3, 3G sell unit, and MPN 5500M-3 match the job requirement.