What are the opening hours?

Monday 7am - 5pm Tuesday 7am - 5pm Wednesday 7am - 5pm Thursday 7am - 5pm Friday 7am - 5pm Saturday 7am - 12pm

Sider Lumber

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Retail Provider of Building Materials Sider Lumber is proud to be serving the Long Island area.

We deliver the kind of specialized attention and help that you simply won’t find in larger chain stores. Our store professionals are comprised of trained specialists whose experience and helpful advice will ensure the success of every project.

10/15/2026

Blend the best of both worlds by mixing and matching Andersen’s A-Series and 400 Series windows. Enjoy the timeless elegance and superior performance of our products, while adding a touch of charm with custom grills.Transform your home into a cozy haven—start your Andersen journey today!

10/13/2026

"Transform your space into a cozy haven with Andersen 400 Series windows! 🌞📚✨ Perfect for creating that dreamy reading nook where natural light meets comfort. What book would you read in this space? " 📖🏡

10/08/2026

Looking for modern windows to update your home? You need windows that feature: - Narrow frames - Black color - Lots of glass

The Andersen Windows 400-Series contemporary profile (shown here) delivers on all of this and more.

10/06/2026

🍂✨ Transform your home this fall with our stunning Aseries Windows and a beautiful entry door! 🍁🏡 Embrace the cozy vibes and let the autumn light in.What’s your favorite fall activity? Share with us in the comments! 👇🍂

10/01/2026

Elevate your home’s exterior with Andersen 200 and 400 Series windows! 🌟✨ Perfect for any style, these windows bring a touch of sophistication and enhance your home’s overall look. Which part of your home’s exterior would benefit most from these windows? Tell us below! 👇

09/29/2026

“Embrace the warmth of home with our cozy nook, featuring ESeries windows that flood the space with natural light. Can you imagine unwinding here with a good book?” 📚✨

09/24/2026

Unveil the charm of your living room with Andersen E-Series Windows: Custom-crafted to flood your space with natural light, offering endless design possibilities and a touch of elegance. Make your living room uniquely yours! 🌞

09/22/2026

Window Buying Tip: Casement, gliding and picture windows are some of the most contemporary styles, so start with one of these when you’re ready for an update. Need help with the rest of the details? Message us for more info!

09/17/2026

Your home should be more than where you live. It should enhance your life - make you feel stronger, happier, and more at peace with Andersen®! Let us help you create a place of peace.

09/15/2026

Cheers to beautiful weather! We hope you're making the most of your day!
Featured here: Andersen Windows 100 Series Gliding Patio Door

Address

45 Southern Boulevard
Nesconset, NY
11767

Opening Hours

Monday	7am - 5pm
Tuesday	7am - 5pm
Wednesday	7am - 5pm
Thursday	7am - 5pm
Friday	7am - 5pm
Saturday	7am - 12pm

Telephone

+16312651012

Website

https://www.siderlumber.com/

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