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SolTerra Systems

SolTerra Systems is an ERL (Electrical, Roofing, Landscaping) company in Portland and Seattle. We specialize in innovative, usable rooftops with a core focus on solar power, vegetated roofing, the best waterproofing and roofing systems, and living walls. We design and install solar electric systems using the industry's top solar panels in the greater Seattle and Portland markets. We also install composite and metal roofing, as well as PVC, TPO and EPDM single ply membrane systems. We are green roof professionals and can design + install a green roof from initial design to installation to long term maintenance. Lastly Solterra is a manufacturer of VeraWall living wall systems. Whatever ecological dream project you have, we can help bring it to life!

Oregon Office: 79 SE Taylor St., Suite 401, Portland, OR 97214


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We display two types of written homeowner feedback on GuildQuality member profile pages: Comments and Reviews.


In response to our customer satisfaction surveys, homeowners share lots of comments about construction quality, communication, or any other question asked in the survey. Guildmembers can selectively publish these comments here on their profile page.


Reviews are different than comments. These are star ratings that homeowners ask us to publish, and they come with a written description of the type of experience they had working with their contractor. We publish all of the reviews we receive: positive and negative alike.

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  • Built Green
  • Master Builders Association of King and Snohomish Counties

Answers from contractors near Seattle, WA

Real grass or artificial grass? Which is better in the long run?
Dec 11, 2014
As a builder I could tell you there is no right answer. I built my home on the water and I have switched from eal grass to artificial . My reasoning was to conserve water and time. Now I can also foca ... read more
Last edited Dec 11, 2014 10:04am
Are galvanized nails supposed to be used when nailing studs in a pressure treated sill plate on a slab? or is 3 inch smooth framing nails code?
Jun 8, 2014
The correct nail to be used is a Hot dipped galvanized nail. Nail diameter and size are different on all applications . A regular galvanized nail is only electo galvanized meaning as soon as the drive ... read more

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