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Georgia-Pacific Clay Undersill Vinyl Siding Trim 0.375-in x 150-in

Name: Georgia-Pacific Clay Undersill Vinyl Siding Trim 0.375-in x 150-in
Brand: Georgia-Pacific
SKU: 999969166
Rating: 4.6 (89 reviews)

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4.6

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Manufacturer Color/Finish: Clay

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Georgia-Pacific vinyl siding is designed to be virtually maintenance free and look great for years to come. Vinyl siding never needs to be stained or painted, holds up to the weather and is resistant to pests and moisture.

Accessories color match Georgia-Pacific Vinyl Siding
Low maintenance beauty for your home
Backed by a Limited Lifetime Transferable Warranty
Durable and economical for lasting value
Never have paint or stain again

General
Color/Finish Family	Brown	Manufacturer Color/Finish	Clay
Type	Undersill	Material	Vinyl
Package Quantity	1

Dimensions
Thickness (Inches)	0.045	Length (Inches)	150
Width (Inches)	0.375

Features
Flexible	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Warranty
Warranty	Limited lifetime

Miscellaneous
UNSPSC	30151800

Check out the Best Selling Vinyl Siding Trim on Lowes.com

Review

4.6 out of 5

89 Reviews

92% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The vinyl undersill trim product is generally well-received by customers. It is easy to install and provides a neat, tidy finish to the top edge of vinyl siding. The product is available in various colors that match the siding well and are durable. Customers found the product to be good value for the price. However, some noted the material can be brittle and prone to cracking, especially in colder temperatures, requiring careful installation. Overall, the majority of customers were satisfied with the quality and performance of this product.

Customer review summary generated by AI, including incentivized reviews.

89 Customer Reviews

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Would Recommend

Works as it should.

BellSeptember 7, 2026
From White Undersill Vinyl Siding Trim 0.375-in x 150-in Verified Purchaser

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Matches old vinyl perfectly

Would Recommend

Exact replacement for vinyl that is approximately 25 years old.

RobertSeptember 7, 2026
From White Undersill Vinyl Siding Trim 0.375-in x 150-in Verified Purchaser

Was this Review Helpful ?

Easy to installation

Would Recommend

SteveMay 13, 2026
From White Undersill Vinyl Siding Trim 0.375-in x 150-in Verified Purchaser

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6 Questions

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Where is this located in the 150,000sqft building?

Is this the same as the aluminum starter strip just the color of the siding?

Georgia-Pacific: Featured Videos

COMPARE PRODUCTS

		Name	Current Item Georgia-PacificClay Undersill Vinyl Siding Trim 0.375-in x 150-in
		Ratings	89
		Material	Vinyl
		Type	Undersill
		Width (Inches)	0.375
Georgia-PacificWhite Starter strip Vinyl Siding Trim 2.545-in x 120-in	Georgia-PacificClay Outside corner post Vinyl Siding Trim 3-in x 120-in	Georgia-PacificWhite Outside corner post Vinyl Siding Trim 3-in x 120-in	Georgia-PacificClay Undersill Vinyl Siding Trim 0.375-in x 150-in	Georgia-PacificWhite F-trim Vinyl Siding Trim 0.5-in x 150-in	Georgia-PacificWhite Undersill Vinyl Siding Trim 0.375-in x 150-in	Georgia-PacificClay Outside corner post Vinyl Siding Trim 3-in x 120-in	Georgia-PacificClay Inside corner post Vinyl Siding Trim 1.5-in x 120.0-in	Georgia-PacificWhite F-trim Vinyl Siding Trim 0.5-in x 150-in
69	250	276	94	152	108	60	11	151
Vinyl	Vinyl	Vinyl	Vinyl	Vinyl	Vinyl	Vinyl	Vinyl	Vinyl
Starter strip	Outside corner post	Outside corner post	Undersill	F-trim	Undersill	Outside corner post	Inside corner post	F-trim
2.545	3	3	0.375	0.5	0.375	3	1.5	0.5