Sider Lumber

Sider Lumber 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.

05/27/2025
With 46% thicker fiberglass skins than other standard fiberglass doors, the Classic Craft® Collection by Therma-Tru® has...
05/22/2025

With 46% thicker fiberglass skins than other standard fiberglass doors, the Classic Craft® Collection by Therma-Tru® has added durability and long-term performance. These doors are constructed with a 4” wide board of engineered lumber that runs the full length of the lock side, for a solid feel that makes Classic Craft doors 50% stronger and 30% heavier as well. Backed by an industry-leading lifetime limited warranty, built for durability and designed for style – let us help you choose your new door today!

Exposure type is related to the protection level of the doorway. Less protection over a door will require a tougher door...
05/19/2025

Exposure type is related to the protection level of the doorway. Less protection over a door will require a tougher door to withstand the elements. Knowing how to determine the exposure type is an important first step in extending the life of your door unit. We can assist you in learning your home's exposure, and choosing your door!

Clean lines. Crisp angles. Sleek designs. Vintage style. Therma-Tru Pulse is a contemporary series of door styles and gl...
05/15/2025

Clean lines. Crisp angles. Sleek designs. Vintage style. Therma-Tru Pulse is a contemporary series of door styles and glass designs that can be combined to make a bold statement. With three distinct aesthetic approaches — Ari, Linea and Echo — the entrance becomes modern art. Visit us to learn more about Therma-Tru's Pulse doors!

Primed stile and rail doors are wood components joined together with dowel pins. The stiles and rails have an engineered...
05/12/2025

Primed stile and rail doors are wood components joined together with dowel pins. The stiles and rails have an engineered wood core covered with an MDF veneer creating an excellent surface for painting. Constructing a door with different components brings definition that cannot be replicated by a molded door. Visit us to learn more about Primed Stile and Rail door options.

Whether you are welcoming in family, or headed out on an adventure, enjoy the beauty of authentic wood grain, which both...
05/08/2025

Whether you are welcoming in family, or headed out on an adventure, enjoy the beauty of authentic wood grain, which both enhances the exterior of your home, as well as adds warmth and character to your interior. Come visit us to learn more about solid wood exterior doors.

Door: F37134
Type: Simpson Performance Series
Species: Douglas Fir

Each of our Primed Stile and Rail door is made with perfectly proportioned stiles, rails and panels that are created ind...
05/05/2025

Each of our Primed Stile and Rail door is made with perfectly proportioned stiles, rails and panels that are created individually to ensure that every door is architecturally correct. Come in and see us to learn more!

Simpson Wood doors: where timeless elegance and durability come together. A perfect choice for adding a warm, classic to...
05/01/2025

Simpson Wood doors: where timeless elegance and durability come together. A perfect choice for adding a warm, classic touch that welcomes guests and enhances the beauty of any home. Let’s talk about how you can add these beautiful doors to your home today!

Infused with elements of diamonds and triangles, Echelon Glass will give your entryway an bold, modern design. Come in t...
04/28/2025

Infused with elements of diamonds and triangles, Echelon Glass will give your entryway an bold, modern design. Come in today to learn more about Echelon, and other decorative glass options.

Door: Smooth-Star S2233
Glass: Echelon
Finish: Reeb Finish Paint Luna Moth

With composite top and bottom rails for increased moisture and rot protection, the Classic Craft® Collection by Therma-T...
04/28/2025

With composite top and bottom rails for increased moisture and rot protection, the Classic Craft® Collection by Therma-Tru® are also 4x more energy efficient than wood doors. Designed with a full suite of premium-grade components for craftsman precision and long-term performance, Classic Craft flush-glazed glass options are also more than 10% wider to welcome in more natural light. Backed by an industry-leading lifetime limited warranty, Classic Craft doors are built for long-term performance – stop in today to order your new door today!

Choosing a fiberglass entry door can help increase your home's curb appeal, especially when you select a style that comp...
04/24/2025

Choosing a fiberglass entry door can help increase your home's curb appeal, especially when you select a style that complements the exterior architectural details! Let us help you choose the perfect door for your home's style!

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

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