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Ferrous Paint Additive - Gallon Size (100 sq ft)

Transform a larger wall or room section into a sleek, magnet-ready surface. Our Gallon-Size Ferrous Paint Additive mixes with 1 gallon of interior primer to create a powerful magnetic underlayer, ideal for gallery walls, home offices, classrooms, studios, and creative environments.

Designed for projects up to 100 sq ft.

Coverage

Mixes with 1 gallon of interior primer
Covers 100 sq ft with 3-4 full coats
Use all mixed material for maximum magnetic strength

Features

Creates a smooth, magnet-responsive base beneath your topcoat
Works with latex primers for easy application
Iron-rich formula ensures strong, reliable hold
Supports all HOP magnet styles (1x1, 1x2, peel & stick)
Best choice for large walls, gallery displays, classrooms, and office layouts

Important Notes

Do not mix with water
Do not use with alcohol- or shellac-based primers
Once mixed, the primer cannot be stored; use all material in the same project
Keep additive bags sealed until use; iron powder can rust when exposed to humidity

Description

Ferrous Paint Additive - Gallon Size (100 sq ft)

Designed for projects up to 100 sq ft.

Coverage

Mixes with 1 gallon of interior primer
Covers 100 sq ft with 3-4 full coats
Use all mixed material for maximum magnetic strength

Features

Creates a smooth, magnet-responsive base beneath your topcoat
Works with latex primers for easy application
Iron-rich formula ensures strong, reliable hold
Supports all HOP magnet styles (1x1, 1x2, peel & stick)
Best choice for large walls, gallery displays, classrooms, and office layouts

Important Notes

Do not mix with water
Do not use with alcohol- or shellac-based primers
Once mixed, the primer cannot be stored; use all material in the same project
Keep additive bags sealed until use; iron powder can rust when exposed to humidity

Description

Ferrous Paint Additive - Gallon Size (100 sq ft)

Designed for projects up to 100 sq ft.

Coverage

Mixes with 1 gallon of interior primer
Covers 100 sq ft with 3-4 full coats
Use all mixed material for maximum magnetic strength

Features

Creates a smooth, magnet-responsive base beneath your topcoat
Works with latex primers for easy application
Iron-rich formula ensures strong, reliable hold
Supports all HOP magnet styles (1x1, 1x2, peel & stick)
Best choice for large walls, gallery displays, classrooms, and office layouts

Important Notes

Do not mix with water
Do not use with alcohol- or shellac-based primers
Once mixed, the primer cannot be stored; use all material in the same project
Keep additive bags sealed until use; iron powder can rust when exposed to humidity

Description

Ferrous Paint Additive - Gallon Size (100 sq ft)

Designed for projects up to 100 sq ft.

Coverage

Mixes with 1 gallon of interior primer
Covers 100 sq ft with 3-4 full coats
Use all mixed material for maximum magnetic strength

Features

Creates a smooth, magnet-responsive base beneath your topcoat
Works with latex primers for easy application
Iron-rich formula ensures strong, reliable hold
Supports all HOP magnet styles (1x1, 1x2, peel & stick)
Best choice for large walls, gallery displays, classrooms, and office layouts

Important Notes

Do not mix with water
Do not use with alcohol- or shellac-based primers
Once mixed, the primer cannot be stored; use all material in the same project
Keep additive bags sealed until use; iron powder can rust when exposed to humidity

Shipping & Returns

Shipping

Most orders ship within 1–2 business days. Standard delivery typically takes 3–7 business days in the United States. You’ll receive a tracking link as soon as your package leaves the warehouse.

Return Policy

Unopened items in original packaging can be returned within 30 days of delivery. Start a return with your order number; refunds are issued to the original payment method once inspected.

Shipping & Returns

Shipping

Most orders ship within 1–2 business days. Standard delivery typically takes 3–7 business days in the United States. You’ll receive a tracking link as soon as your package leaves the warehouse.

Return Policy

Unopened items in original packaging can be returned within 30 days of delivery. Start a return with your order number; refunds are issued to the original payment method once inspected.

Shipping & Returns

Shipping

Most orders ship within 1–2 business days. Standard delivery typically takes 3–7 business days in the United States. You’ll receive a tracking link as soon as your package leaves the warehouse.

Return Policy

Unopened items in original packaging can be returned within 30 days of delivery. Start a return with your order number; refunds are issued to the original payment method once inspected.

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