Suspended Ceilings Product Options

USG offers numerous perimeter options designed to accommodate all USG Donn Brand Suspension Systems with USG acoustical ceiling panels. Use this selector as a guide to ensure that a perimeter molding meets your design criteria. For fire-rated applications, check the UL design for approved molding shapes and sizes.

	Shadowline edge at perimeter with Shadowline tile		Square edge at perimeter with Square edge tile		Square edge at perimeter with Shadowline tile
Wall Molding and M12CE
	Description	Typical Sizes
		A	B
	M7, M7Z, M7A	7/8″	7/8″
	M9	15/16″	9/16″
	M12	1-1/2″	1″
	MC11A	1″	1″
	M12CE	1-1/2″	1″
	M20, M20HD, M20SM	1″	2″
	Shadowline edge at perimeter with Shadowline tile		Shadowline edge at perimeter with Square edge tile
Shadow Molding
	Description	Typical Sizes
		A	B	C	D
	MS124	15/16″	1/4″	5/16″	15/16″
	MS134	9/16″	1/4″	5/16″	3/4″
	MS144	3/4″	3/8″	1/2″	3/4″
	MS154	7/8″	3/4″	3/4″	7/8″
	MS164	3/4″	3/4″	3/4″	3/4″
	MS174	1″	3/8″	3/8″	9/16″
	Square edge at perimeter of concealed grid and tile		Shadowline edge at perimeter of square edge tile
US Channel Molding and US25CE
	Description	Typical Sizes
		A	B	C
	US8	1/2″	1/2″	1″
	US10	5/8″	1/2″	1″
	US12	3/4″	1/2″	1″
	US16	1″	1/2″	1″
	US19	1-3/16″	1/2″	1″
	US20	1-1/4″	1/2″	1″
	US22	1-3/8″	1/2″	1″
	US25	1-9/16″	1/2″	1″
	US25CE	1-9/16″	1/2″	1″
	US31	1-15/16″	1/2″	1″
	Vertical to horizontal transition detail for suspension system
MF Molding
	Description	Typical Sizes
		A
	MF8	1/2″
	MF10	5/8″

1. Shadowline tapered panel will result in mouse hole at molding.
2. Reveal depth will vary by product.
3. Detail requires field cut and reveal of perimeter panels.
4. US25 typical for concealed grid and tile.