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Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

7700 N Old Highway 99
5.00(
7
)

TerraFirma Foundation Systems

7700 N Old Highway 99
5.00(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"They were great. They had a great communication. They exceeded our expectations."

Rachel K on February 2021

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"They were great. They had a great communication. They exceeded our expectations."

Rachel K on February 2021

EnviroLead, LLC

PO Box 31
5.00(
2
)

EnviroLead, LLC

PO Box 31
5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Lead Based Paint Inspection using XRF, Mold Inspection, Radon testing. Serving All of Oregon for Lead Based Paint Inspection Business Hours: 8:00-6:00 Monday-Friday, Available Evenings, Weekends, Holidays and during all major sporting events! (by appointment) Accessible 24/7 by live Answering Service. //· 15 Years in building related fields. //· 4 years International Code Council Special Inspector //· 3 years teaching Structural Special Inspection, Estimating, Project Management, and Plan reading. //· Oregon Certified Home Inspector #1130 //· I.C.C. Certified Special Inspector- Structural Masonry #5114180-84 //· I.C.C. Certified Special Inspector- Structural Steel and Welding # 5116939-85 //· I.C.C. Certified Special Inspector- Reinforced Concrete # 5116939-47.

Lead Based Paint Inspection using XRF, Mold Inspection, Radon testing. Serving All of Oregon for Lead Based Paint Inspection Business Hours: 8:00-6:00 Monday-Friday, Available Evenings, Weekends, Holidays and during all major sporting events! (by appointment) Accessible 24/7 by live Answering Service. //· 15 Years in building related fields. //· 4 years International Code Council Special Inspector //· 3 years teaching Structural Special Inspection, Estimating, Project Management, and Plan reading. //· Oregon Certified Home Inspector #1130 //· I.C.C. Certified Special Inspector- Structural Masonry #5114180-84 //· I.C.C. Certified Special Inspector- Structural Steel and Welding # 5116939-85 //· I.C.C. Certified Special Inspector- Reinforced Concrete # 5116939-47.

Cascade Radon Inc

12839 NE Airport Way
4.94(
157
)

Cascade Radon Inc

12839 NE Airport Way
4.94(
157
)
Customers say: Super punctual
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers

The Northwest's most experienced firm. Residential and commercial radon testing, mitigation, and system design for homes, schools, businesses. Radon-resistant design for new homes. We have been EPA-certified for over 25 years. Award winning. Radon is not a secondary endeavor for us… it’s all we do.

"Excellent from beginning to end. Very professional outfit from initial visit, quote, scheduling, work, followup. Price was reasonable, work quality went above and beyond, and radon levels dropped well below even the contractual level."

Claude S on April 2021

The Northwest's most experienced firm. Residential and commercial radon testing, mitigation, and system design for homes, schools, businesses. Radon-resistant design for new homes. We have been EPA-certified for over 25 years. Award winning. Radon is not a secondary endeavor for us… it’s all we do.

"Excellent from beginning to end. Very professional outfit from initial visit, quote, scheduling, work, followup. Price was reasonable, work quality went above and beyond, and radon levels dropped well below even the contractual level."

Claude S on April 2021

Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)

Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

Radon Detection and Reduction questions, answered by experts

You should have a professional test for radon every two to five years. A good rule of thumb is to get testing done every five years if you’ve never had an issue before and every two years if you have. You may also want to schedule testing if you notice symptoms of radon exposure or if you do intermittent DIY radon testing and notice changes in your levels between tests. If you have an active radon monitor, you can schedule testing if you notice levels increasing over time.

DIY kits are available for basic testing. Professional services provide comprehensive results and recommendations.

Testing typically costs between $150 and $500, depending on the method used and the number of areas tested.

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

The Malin, OR homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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