The Armstrong Ceilings PRELUDE XL 7800 Wall Angle Molding White 7/8" x 7/8" x 12' Hemmed is a suspended ceilings from Armstrong Ceiling for exact-match material ordering. Match manufacturer model/MPN 574918. This variant is sold as CTN with SKU ARM7800. Armstrong Ceilings PRELUDE XL 7800 Wall Angle Molding

Key Specs

• Brand: Armstrong Ceiling
• Model / MPN: 574918
• SKU: ARM7800
• Sell unit: CTN
• Product type: Suspended Ceilings
• Size: 7/8" x 7/8" x 12' Hemmed
• Color / finish: White
• Category: Building Materials | Building Materials/Suspended Ceilings

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?

Armstrong Ceilings PRELUDE XL 7800 Wall Angle Molding White 7/8" x 7/8" x 12' Hemmed, sold as CTN, SKU ARM7800, manufacturer model/MPN 574918.

What unit is the price based on?

The price is for the CTN 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 Armstrong Ceiling, SKU ARM7800, CTN sell unit, and MPN 574918 match the job requirement.