Conservation Technology

Advanced technology for energy, water, and environmental conservation  
Since 1984, Resource Conservation Technology has manufactured and distributed advanced technology for energy, water, and environmental conservation. We offer an extraordinary range of products, many of which are not available elsewhere. We are experts in all of our fields and can assist in design with our products. Our liquid rubber coatings are ideal for restoring old asphalt, metal, wood, foam, or concrete roofs with positive drainage, as well as for waterproofing new low-slope roofs not suitable for sheet rubber membranes. The roof and all flashings are sealed with a seamless, permanent, reinforced, elastomeric membrane. We offer a range of architectural colors, including white to reduce summer cooling costs and mitigate the urban heat-island effect.


Address:     2633 North Calvert St. Baltimore, MD 21218
Contact:   Lee Jaslow
Phone:    410-366-1146    FAX:  410-366-1202


GREEN ROOFS: We offer an extensive range of proven green roof solutions In cooperation with Optigreen of Germany, world leader in the green roof industry. Optigreen green roof fabrics, drainage systems, and accessories represent the culmination of thirty-five years of field experience, and most are made from 100% post-consumer recycled materials. We can supply selected components or complete systems that include waterproofing, drainage substrates, engineered soils, specially selected plants, and integrated irrigation systems using harvested rainwater. Contractor training is available.

RAINWATER HARVESTING: We offer low-maintenance systems to collect and re-use rainwater in residential or commercial structures. In a typical installation, water from all of the downspouts of a building is piped to a central filter that separates solids and is then stored in surface or underground tanks. Specialized pumps, control systems, and disinfection systems draw water from the storage tanks to irrigate landscapes, fill swimming pools or ponds, flush toilets, and wash clothes. We can also supply rainwater systems capable of producing water suitable for showering or drinking.

PONDS AND WETLANDS: We supply pond-grade sheet rubbers in a wide range of stock and custom-made sizes. Our liners remain flexible in the coldest weather, conform to complex shapes, and last almost indefinitely. These characteristics make them ideal for landscape ponds, koi ponds, water reservoirs, stormwater runoff basins, constructed wetlands, and sewage treatment systems. We also offer protection fabrics, energy-efficient submersible and external pumps, mechanical and biological filters, natural biological controls, aerators, and other products to circulate water and maintain water quality.

ENERGY-EFFICIENT BUILDING: We offer a range of state-of-the-art products to control air and vapor flow in buildings including the world's best silicone rubber weatherseals for doors and windows, cellular EPDM building gaskets to air seal any building joint, air/vapor control films to control air and moisture movement that can lead to building deterioration, an occupant-sensing ventilation system that automatically adjusts ventilation rates in response to humidity and occupancy in each room, and insulated airtight attic ladders that are far more energy-efficient than typical attic ladders.

WATERPROOFING: Our superior-quality sheet rubber membranes provide reliable, permanent waterproofing for low-slope roofs, making it easy to create leak-free rooftop decks, patios, and roof gardens. We can custom fabricate single sheets up to 10,000 square feet in the shape of each roof, eliminating the risks of field seaming. We typically supply complete systems with all necessary components including drain fittings, edge terminations, and paver supports. We also supply commercial-quality rubber membranes for general-purpose waterproofing.

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