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While Styrofoam (technically Expanded Polystyrene or EPS) is often viewed as a major environmental pollutant, it is actually one of the most efficient materials for building high-performance, sustainable homes.
Diverting it from landfills into construction transforms it from a "forever waste" into a "forever asset."
When Styrofoam is sent to a landfill, it becomes a permanent environmental burden.
In construction, Styrofoam is used in Insulated Compost Concrete Forms (ICCF) and Structural Insulated Panels (SIPs).Greenwood manufacture blocks made from 85% to 100% recycled Styrofoam diverted directly from landfills.
Extreme Resilience: Homes built with Styrofoam-concrete composites can withstand winds over 250 mph (Category 5 hurricanes) and are highly seismic-resistant. Fire & Pest Resistance as well.
Styrofoam is often viewed as waste, making it a low-cost or even "free" raw material when diverted from landfills. By processing this waste into structural components like Insulated Concrete Forms (ICFs) or composite blocks, builders can reduce the expenses associated with traditional lumber or standard masonry.
Building materials made from recycled Styrofoam are significantly lighter than traditional bricks or solid concrete blocks.
For housing to be truly affordable, it must be inexpensive to maintain. Styrofoam is an exceptional thermal insulator.
Traditional affordable housing can sometimes suffer from mold or rot if built with lower-quality wood. Recycled Styrofoam is moisture-resistant and does not provide a food source for termites or pests. This longevity reduces the need for expensive repairs and replacements over the life of the building.
Beyond housing, this process keeps a problematic material out of the environment. Styrofoam can take hundreds to thousands of years to decompose in a landfill; repurposing it into a house effectively "locks" that carbon into a productive, long-term use.
At Greenwood Building Materials , we take pride in providing exceptional customer service. We're committed to your satisfaction and will do everything we can to ensure you're happy with your purchase.

Our store offers bulk orders for all our construction materials. We understand that contractors need large quantities of materials for their projects, and we offer competitive pricing for bulk orders. Contact us today to learn more about our bulk order discounts.
We offer top-quality construction materials for contractors. Our products are sourced from the most reputable manufacturers, and we stand behind our products with guarantees to ensure customer satisfaction. No matter your project needs, we are confident that we have the right materials for you.
We understand that contractors need their materials delivered to the job site as soon as possible. That's why we offer same-day delivery for all orders placed before noon. Our delivery service is reliable and efficient, so you can keep your project on schedule.
Our staff has years of experience working with contractors and construction materials. We can provide expert advice on the best materials to use for your project and offer support throughout the entire construction process. Contact us today to learn how we can help make your project a success.
We offer competitive pricing on all our construction materials. Our goal is to provide contractors and owners builders with the best prices possible to help them stay on budget. Contact us today to learn more about our pricing and discounts for contractors.

We accept clean #6 expanded polystyrene (EPS) foam from all sources.

Our team of experts is here to help you with all of your building needs. We can help you choose the right materials for your project and offer advice on installation and maintenance.

Our main goal is to reduce the environmental impact of construction and promote sustainable practices in the industry. We understand that construction is an essential activity in our society, but it is also one of the main sources of waste. That is why we have dedicated ourselves to offering responsible and effective solutions for concrete waste management.
We work in collaboration with local and regulatory authorities to comply with environmental standards and regulations.
We also offer high-quality recycled materials for construction, such as recycled aggregates, gravel, and sand.

Plastic recycling involves collecting, sorting, processing, and transforming plastic waste into new materials and products. While it's a crucial step in managing plastic waste, the current system has limitations, and the plastics industry's focus on increasing production without addressing the recycling market is a concern.


Residential and Commercial deconstruction is a method of carefully disassembling a building to salvage and reuse materials, rather than demolishing it. This process, sometimes called "construction in reverse," prioritizes waste reduction and sustainability by reclaiming valuable materials for future use.
When erecting a brand-new home, a growing number of environmentally conscious homeowners and builders are opting to ‘deconstruct’ the old one and donate the parts rather than demolish it. We provide full service deconstruction service. Free Estimate.
We love our customers, so feel free to visit during normal business hours.
We have three convenient drop off locations.
Lithonia: 2547 Lithonia West Dr. Lithonia Ga. 30058
Conley: 1038 Tall Oaks Rd. Conley, Ga. 30288
Mon | 09:00 am – 05:00 pm | |
Tue | 09:00 am – 05:00 pm | |
Wed | 09:00 am – 05:00 pm | |
Thu | 09:00 am – 05:00 pm | |
Fri | 09:00 am – 05:00 pm | |
Sat | Closed | |
Sun | Closed |
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