MagSheathing™ MGO Products

Premium Magnesium Oxide boards available in a range of thicknesses and densities to suit every residential, commercial, and industrial application.

MagSheathing™ Board Selection

All panels ship in standard 4 ft × 8 ft sheets. Contact us for bulk pricing, custom sizes, or large project quotes.

MagSheathing™ Ultra-Thin 3mm

Ideal for interior lining applications where weight is a priority. Lightweight and easy to handle.

Size4 ft × 8 ft
Thickness1/8" (3mm)
Weight~30 lbs/sheet
UseWalls & Ceilings
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MagSheathing™ Standard 6mm

The most popular interior wall and ceiling board. Excellent all-round performance and easy to finish.

Size4 ft × 8 ft
Thickness1/4" (6mm)
Weight~45 lbs/sheet
UseWalls & Ceilings
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MagSheathing™ Pro 9mm

Enhanced thickness for greater impact resistance. Ideal for high-traffic areas and commercial interiors.

Size4 ft × 8 ft
Thickness11/32" (9mm)
Weight~67 lbs/sheet
UseWalls & Ceilings
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MagSheathing™ Pro 12mm

Our most versatile board — excellent for exterior sheathing, wet areas, and fire-rated assemblies.

Size4 ft × 8 ft
Thickness1/2" (12mm)
Weight~77 lbs/sheet
UseWalls & Ceilings
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MagSheathing™ Heavy 16mm

Multi-purpose heavy board suitable for walls, ceilings, and subfloor applications requiring extra strength.

Size4 ft × 8 ft
Thickness5/8" (16mm)
Weight~100 lbs/sheet
UseWalls, Ceilings & Subfloor
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MagSheathing™ Floor 20mm

Our thickest board — engineered specifically for subfloor applications requiring maximum load capacity.

Size4 ft × 8 ft
Thickness3/4" (20mm)
Weight~130 lbs/sheet
UseSub-flooring
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Need a Custom Size or Bulk Order?

We supply large projects across Canada and the USA. Contact us for bulk pricing, freight quotes, and custom specifications.