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Manning Design+Construction is a leading Portland, Oregon based green roofing and seismic reinforcement contractor. We specialize in building and maintaining green roofs (ecoroofs) and other rooftop construction - including rooftop patios, rooftop gardens, rooftop decks and rooftop solar.  We perform seismic upgrades, foundation repair/replacement and structural reinforcement of masonry. MD+C also offers storm-water facility solutions.

With over 40 years of commercial and residential contracting, consulting and construction experience, we serve the greater Portland, Oregon metro area including all areas of Multnomah, Washington and Clackamas counties and beyond. From design and engineering, to permitting, project management and construction, we can manage residential, multi-family and commercial contracting projects at every scale.

Our Ecoroofs Oregon division offers year round maintenance of extensive and intensive green roof installations for a variety of multi-family residential buildings, commercial buildings, institutions and residences throughout Portland, Oregon.

We focus on bringing new life to existing structures with our extensive experience in all phases of the design-build-maintenance process. Our team performs as much of the project as possible to control quality and budget. If you have a green roof (ecoroof), rooftop development or seismic reinforcement construction project in the Portland metro area, contact us to discover how we can help you save time and money.

 

FEATURED PROJECTS

Williams District Ecoroof

The clients building these two North Portland infill mini-cottages for the rental market wanted to extend the garden to the...

Ankeny Nest Ecoroof and Patios

Built in two phases, in 2013 and 2016, this multi-family residence constructed in the high-density Buckman neighborhood, extended all the...

Woodburn Chevron Station with ecoroof and solar panels

ExtraMile Gas Station Ecoroof and Solar

Designed for energy efficiency and low environmental impact, two Ecoroof Oregon installations, one in Beaverton, and another in Woodburn, helped...

Hillsdale Garage Addition and Ecoroof

The new garage slated for this steep SW Portland site situated in a landslide zone required thoughtful stormwater management. City...

  • Conventional roofs have a 20 year lifespan, compared to 40 years or more for a green roof.
  • Ecoroofs replace conventional roofing with a living, breathing vegetated roof system.
  • Green roofs capture rainwater and reduce stormwater runoff.
  • Green roofs create habitat for native and migrating species.
  • Green roofs insulate the building and cool the air.
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