Door Casing Colonial-NAF-
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NAF · DOOR CASING
Colonial casing.
Primed and ready to paint.
Pre-primed MDF trim from NAF, offered in 1/2″ × 2-3/4″ and 3/4″ × 3-1/2″. A smooth, uniform finish around doors and windows.
2
size options
3-1/2″
widest face
MDF
pre-primed
🖌️
Primed at the mill.
The primer coat is already on, so the trim is easy to paint once it is up. Colour goes on evenly across the whole profile.
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Smooth and uniform.
Medium density fibreboard holds a consistent colonial profile piece to piece. No grain raise, no knots to telegraph through the paint.
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Two widths, one look.
Run the slimmer 1/2″ × 2-3/4″ where space is tight and the 3/4″ × 3-1/2″ where you want more presence. Both carry the same colonial detail.

The 3/4″ × 3-1/2″ colonial profile.
Cut. Nail. Paint.
Miter the head to the legs, fasten off, fill and sand, then topcoat over the factory primer. Or let our team handle it — supply & installation across Kitchener-Waterloo with a free in-home estimate.
Tech Specs
Measure each opening and add 10% for cuts and waste. Matching NAF primed MDF trims are available in other profiles.