SIDER LUMBER & SUPPLY
Founded in 1948
A Proud Member of the SRS Family
Welcome to Sider Lumber, serving contractors across Long Island. Our location provides reliable building materials, practical guidance, and a team that understands the needs of local projects.
You’ll find a focused selection of products for construction, repairs, and home improvements, along with straightforward advice to help you choose the right materials.
- Lumber
- Decking
- Railing
- Roofing Materials
- Power & Hand Tools
- Siding
- Moldings
- Windows and Doors
- Builders Hardware & Supplies
