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Inteplast Group Building Products 1/2-in x 4-in x 8-ft Modern Finished Polystyrene Baseboard Moulding

Name: Inteplast Group Building Products 1/2-in x 4-in x 8-ft Modern Finished Polystyrene Baseboard Moulding
Brand: Inteplast Group Building Products
SKU: 1000576431
Rating: 4.6 (214 reviews)

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4.6

214

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Inteplast Moulding is designed to be low maintenance, easy to install, and ideal for areas where moisture is a concern. Choose from a wide variety of profiles and colors to add depth and detail to any ceiling, door, window, wall, or floor.

Prefinished - does not require painting or staining
Performs better than wood and MDF moulding in areas with high moisture
Quick and easy installation - just cut, nail, and install
An easy and affordable way to add character to a room

General
Package Quantity	1	Finish	Finished
Manufacturer Color/Finish	White	Style	Modern
Edge Profile	Square	Color/Finish Family	White
Type	Baseboard	Stain Grade	No
Use Location	Interior	Paint Grade	Yes
Material	Polystyrene	Installation Type	Finishing nails

Dimensions
Actual Thickness (Inches)	0.5	Height Measurement	4-in
Actual Height (Inches)	4	Thickness Measurement	1/2-in
Actual Length (Feet)	8	Length Measurement	8-ft

Features
Moisture Resistant	Yes	Finger-Joint	No
Flexible	No	Paintable/Stainable	Paintable
Pro Package	No

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	None

Miscellaneous
UNSPSC	30161900

Check out the Best Selling Baseboard Moulding on Lowes.com

Review

4.6 out of 5

214 Reviews

95% Recommend this product

Ratings may include incentivized customer reviews.

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+ 1

What Customers Are Saying

Customers overwhelmingly praise this trim for its ease of use, professional appearance, and moisture resistance. Most highlight how lightweight and simple it is to cut and install with basic tools, making it ideal for DIY projects. The bright white, pre-primed surface delivers a clean finish that often requires minimal or no additional painting. Reviewers consistently commend its waterproof and rot-resistant properties, particularly for bathrooms and basements. A few note the material feels somewhat plastic-like compared to wood, though most accept this trade-off for durability and low maintenance. Overall, customers strongly recommend it for home renovations.

Customer review summary generated by AI, including incentivized reviews.

214 Customer Reviews

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Bunkbed

Would Recommend

Another essantial part to finishing off the bunkbeds. Also easy to paint over.

shingcoJuly 6, 2026
From 1_SLASH_2-in x 2-1_SLASH_2-in x 8-ft Craftsman Finished Polystyrene Craftsman Baseboard Moulding Verified Purchaser

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Response from Inteplast Team

Thank you for your 5 star review on our Crystal White Polystyrene Craftsman! We are happy to hear that you chose our Moulding to finish your project,...

Inteplast TeamJuly 7, 2026

Inteplast

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COMPARE PRODUCTS

		Name	Current Item Inteplast Group Building Products1/2-in x 4-in x 8-ft Modern Finished Polystyrene Baseboard Moulding
		Ratings	211
		Material	Polystyrene
		Finish	Finished
		Type	Baseboard
Inteplast Group Building Products1/2-in x 2-1/2-in x 12-ft Traditional Finished Polystyrene Baseboard Moulding	Inteplast Group Building Products1/2-in x 4-in x 12-ft Traditional Finished Polystyrene Baseboard Moulding	Royal Building Products9/16-in x 3-1/4-in x 12-ft Colonial Finished PVC WM623 Baseboard Moulding	RELIABILT1/2-in x 4-1/4-in x 8-ft Colonial Primed MDF 620 Baseboard Moulding	RELIABILT9/16-in x 3-1/4-in x 12-ft Colonial Primed Finger Jointed Pine 623 Baseboard Moulding	Inteplast Group Building Products1/2-in x 4-in x 8-ft Gray Modern Finished Polystyrene Grey Baseboard Moulding	RELIABILT9/16-in x 4-1/4-in x 8-ft Colonial Primed Finger Jointed Pine 620 Baseboard Moulding	RELIABILT1/2-in x 4-1/4-in x 12-ft Colonial Primed MDF 620 Baseboard Moulding	Inteplast Group Building Products1/2-in x 4-in x 8-ft Modern Finished Polystyrene Sierra Brown Baseboard Moulding
8	5	235	1343	316	17	357	1343	13
Polystyrene	Polystyrene	PVC	MDF	Wood	Polystyrene	Wood	MDF	Polystyrene
Finished	Finished	Finished	Primed	Primed	Finished	Primed	Primed	Finished
Baseboard	Baseboard	Baseboard	Baseboard	Baseboard	Baseboard	Baseboard	Baseboard	Baseboard