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RELIABILT 9/16-in x 3-1/4-in x 8-ft Primed MDF 14 Casing

Name: RELIABILT 9/16-in x 3-1/4-in x 8-ft Primed MDF 14 Casing
Brand: RELIABILT
SKU: 1000255479
Rating: 4.6 (1070 reviews)

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4.6

1070

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Actual Length (Feet): 8

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Trim your windows and doors with stylish RELIABILT Window & Door Casing. Designed to cover the space between your door and window jambs and your wall cladding (drywall, wood paneling, planking, etc). It both enhances the look of inside your home and functionally works to seal gaps. Create a cohesive style to flow around your room by matching the profile of your baseboard, crown, and any other moulding elements. Cuts and works easily with common woodworking hand and power tools. To install: trim to length, miter the corners, secure with finish nails, then cover the nail holes and paint in the color of your choice. The factory applied primed finish easily accepts latex paint. Feel good knowing our MDF moulding is sourced from global supply partners committed to producing a renewable, sustainably grown, and manufactured product.

RELIABILT 14 profile Window & Door casing profile 14 made from MDF (medium density fiberboard), usable from end to end with a consistent knot and defect free substrate
Factory applied white primer is applied to each stick and is ready to paint the color of your choice
Each piece has dimensions of .5906-in(15 mm) thick x 3-1/4-in wide x 8-ft long
Decoratively covers the gaps between your window and door frames and the wall preventing air, moisture and pests from entering your home
Save time and reduce waste as MDF is manufactured with a consistent, knot and defect free substrate and a smooth primed finish that readily accepts paint
Add value, style, and enjoyment to your home by coordinating with your baseboard and crown moulding
MDF cuts and works with common working tools, secure with finishing nails
Great solution for various other home projects, crafts, hobbies, and moulding applications
Recommended for interior use only

General
Color/Finish Family	White	Style	Contemporary
Type	Casing	Installation Type	Finishing nails or brad nails
Stain Grade	No	Pattern Number	14
Use Location	Interior	Finish	Primed
Paint Grade	Yes	Package Quantity	1
Material	MDF	Manufacturer Color/Finish	Primed white

Dimensions
Actual Thickness (Inches)	0.5906	Width Measurement	3-1/4-in
Length Measurement	8-ft	Actual Width (Inches)	3.25
Thickness Measurement	9/16-in	Actual Length (Feet)	8

Features
Moisture Resistant	No	Paintable/Stainable	Paintable
Flexible	No	Model Description	3.25-in x 8-Ft Interior Primed MDF Window and Door Casing
Finger-Joint	No	Pro Package	No

Compatibility
For Use in Garages	Yes	For Use with Windows	Yes
For Use with Doors	Yes

Warranty
Warranty	None

Certifications
CARB Compliant	Yes	No Added Formaldehyde (NAF) Compliant	Yes

Miscellaneous
UNSPSC	30161900

Check out the Best Selling Window & Door Moulding on Lowes.com

Review

4.6 out of 5

1070 Reviews

95% Recommend this product

Ratings may include incentivized customer reviews.

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+ 49

What Customers Are Saying

The product offers a good quality trim that is easy to work with and provides a nice finished look when installed. Many customers found the pre-primed surface convenient for painting. The trim was commonly used for door and window casings, baseboards, and other interior applications, with successful results reported. However, some customers noted issues with inconsistent thickness and the material being prone to chipping or damage during installation. Overall, the product appears to be a reasonably functional interior trim option that can deliver a polished look when handled carefully.

Customer review summary generated by AI, including incentivized reviews.

1070 Customer Reviews

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Good

Would Recommend

I bought this about a month ago and I really like it

MeMeOctober 9, 2026
From 9_SLASH_16-in x 2-1_SLASH_4-in x 7-ft Primed MDF 473 Casing Verified Purchaser

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Would Recommend

Cheap, quick, inexpensive primed trim

AKSteveOctober 7, 2026
From 1_SLASH_2-in x 3-1_SLASH_2-in x 8-ft Primed MDF 432M Casing Verified Purchaser

Was this Review Helpful ?

Great product

Would Recommend

This product is very paintable, its smooth, easy to work with.

Rlg1October 2, 2026
From 9_SLASH_16-in x 3-1_SLASH_4-in x 8-ft Primed MDF 433 Casing Verified Purchaser

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Window trim

Did exactly what I bought it to do.

J JayOctober 2, 2026
From 5_SLASH_8-in x 1-5_SLASH_8-in x 8-ft Primed MDF 256 Casing Verified Purchaser

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Would Recommend

Exactly as listed

AmackSeptember 27, 2026
From 9_SLASH_16-in x 3-1_SLASH_4-in x 8-ft Primed MDF 433 Casing Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item RELIABILT9/16-in x 3-1/4-in x 8-ft Primed MDF 14 Casing
		Ratings	1070
		Material	MDF
		Width Measurement	3-1/4-in
		Type	Casing
RELIABILT9/16-in x 3-3/8-in x 10-ft Primed MDF 338 Fluted Casing	Ornamental Mouldings3/8-in x 2-1/4-in x 7-ft Unfinished White hardwood 1821 Casing	Ornamental Mouldings1/2-in x 4-in x 7-ft Unfinished White hardwood 1644 Casing	RELIABILT9/16-in x 2-1/4-in x 7-ft Primed MDF 3027 Casing	3/8-in x 2-1/4-in x 7-ft Unfinished White hardwood 1820 Casing	Ornamental Mouldings1/2-in x 3-in x 7-ft Unfinished White hardwood 1753 Casing	Ornamental Mouldings1-1/16-in x 3-1/2-in x 8-ft Primed Pine OML13G Casing	Ornamental Mouldings1/2-in x 3-in x 4-ft Unfinished White hardwood 1753 Casing	RELIABILT11/16-in x 2-1/4-in x 10-ft Primed Pine 356 Casing
1069	57	44	1070	60	28	73	28	1035
MDF	Wood	Wood	MDF	Wood	Wood	Wood	Wood	Wood
3-3/8-in	2-1/4-in	4-in	2-1/4-in	2-1/4-in	3-in	3-1/2-in	3-in	2-1/4-in
Casing	Casing	Casing	Casing	Casing	Casing	Casing	Casing	Casing