Name: Deckorators Post Sleeves 4-in x 4-in x 3-ft White Composite Deck Post sleeve
Brand: Deckorators
SKU: 1000799438
Price: 33.98 USD
Availability: InStock
Rating: 4.5 (230 reviews)

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Deckorators Grab and Go 6-ft x 2.75-in x 36-in White Composite Deck Rail Collection

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Deckorators Grab and Go White Deck Railing Essentials

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Conceal and protect your deck posts with the white composite post sleeve kit. Easy to install, this kit will deliver a clean and seamless appearance to your new composite railing line. This kit contains 1 post sleeve and 1 post skirt. Both the post sleeve and skirt are backed by a 25-year structural, stain and fade limited warranty. The 40-in post sleeve is to be installed on a railing height of 36-in. The post skirt requires a simple and easy installation using an exterior construction adhesive

Fits over a nominal 4-in x 4-in wood post
For 36-in rail height
Includes a 40-in tall post sleeve and 1 post skirt
For use with Deckorators composite rail kits (item #346701 and #346700)
Easy installation
Backed by a 25-year limited warranty
Protects wooden posts
Post skirt hides gaps between posts and deck

General
Finish	Prefinished	Series Name	Post Sleeves
Material	Composite	Color/Finish Family	White
Package Quantity	1	Manufacturer Color/Finish	White
Type	Post sleeve	Total Number of Pieces	2

Dimensions
Common Measurement (L x W)	40-in x 4-in	Common Length in Feet	3-ft
Common Width (Inches)	4	Actual Length (Feet)	3.33
Common Thickness (Inches)	4	Actual Width (Inches)	4
Fits Common Post Measurement	4-in x 4-in	Actual Thickness (Inches)	4
Common Measurement (T x W)	4-in x 4-in

Features
Pressure Treated	No	Lowe's Exclusive	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	Safety Listing	Not safety listed

Warranty
Warranty	25-year limited

Compatibility
For Use with Decking	Yes	For Use with Deck Stairs	Yes
For Use with Porches	Yes

Miscellaneous
UNSPSC	30103600

Check out the Best Selling Deck Posts & Post Sleeves on Lowes.com

Review

4.5 out of 5

230 Reviews

92% Recommend this product

Ratings may include incentivized customer reviews.

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+ 17

What Customers Are Saying

The post sleeves were generally well-received, with customers finding them easy to install and providing a clean, professional finish. Many noted the sleeves were a good value for the quality. However, some experienced issues with the fit or found the base trim piece to be flimsy. Despite these minor drawbacks, the majority of reviewers were very satisfied, praising the sleeves' appearance, durability, and ease of installation, which transformed the look of their outdoor structures.

Customer review summary generated by AI, including incentivized reviews.

230 Customer Reviews

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Looks great

Would Recommend

HugoJune 22, 2026
Verified Purchaser

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Response from Deckorators

Dear Hugo, Thank you for the excellent rating! Deckorators appreciates you taking the time to evaluate our products. If there is anything else we can...

DeckoratorsJune 26, 2026

Deckorators

Well built

Would Recommend

Solid

EddieMay 23, 2026
From Post Sleeves 4-in x 4-in x 4-ft White Composite Deck Post sleeve Verified Purchaser

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Response from Deckorators

Dear Eddie, Thank you so much for your wonderful review. Deckorators really appreciates your business and we’re glad that you enjoy this product! If ...

DeckoratorsMay 29, 2026

Deckorators

Comes with trim kit for base.

Would Recommend

Plastic no upkeep

Sparkle69April 16, 2026
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/2a4e10b6-1eb8-5350-8ce7-9f641a1a58b8

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Response from Deckorators

Dear Sparkle69, Thank you for the excellent rating. Deckorators appreciates you taking the time to evaluate out products. If there is anything else...

DeckoratorsApril 20, 2026

Deckorators

Quality for fair price

Would Recommend

Super easy install. Fit well. Felt like quality material.

AtlanticConstructionFebruary 24, 2026
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/84998256-c212-54e2-9764-93d980db3ff3

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Response from Deckorators

Dear Atlantic Construction, Thank you so much for your excellent review. Deckorators value your business and feedback. We hope you enjoy your projec...

DeckoratorsMarch 2, 2026

Deckorators

33 Questions

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