Services
- Carpet
- Commercial Inspections
- Moisture Testing
- RH Testing
- Luxury Vinyl/SPC/WPC/Resilient
- Job Starts
- Laminate
- Steam and Pile lift
- Hardwood
- Micro Shearing
- Repair
- Clip Loops
About Me
Kevin Weinheimer and The TW Group, previously The Weinheimer Group are nationally respected Floor Covering Experts. Providing Flooring Inspection Throughout Oregon and Washington. As floor covering consultants and certified floor covering inspectors they investigate, perform testing, provide research and solve floor covering problems. When you need a recognized expert to solve a flooring or floor covering problem, Kevin and The TW Group (formerly The Weinheimer Group) are the experts you have been searching for. Use our Inspection Request Form. You will be contacted to discuss your concern and if appropriate, schedule an inspection.
Serving the Floor Covering Industry Since 1934
In 1934 James H. Weinheimer left his position as a chemical company chemist and entered the floor covering service industry, later expanding into wholesale, contract and retail floor covering sales. While still in college, Terry was to join the company. In 1990, Terry moved his family to Oregon, where he started a floor covering inspection company. In 1998, Kevin became certified and joined Terry. In 2023 Terry semi-retired. Today, the company is headed by Kevin and the TW Group serves clients throughout the pacific northwest.
Problem Solving
TW Group Inspections are experts at preventing floor covering problems, identifying the cause of a flooring problems and claims resolution. Our services are available for most floor covering products including carpet, laminate, hardwood, vinyl, LVT, VCT, linoleum, cork, concrete and most other flooring materials and installation systems. After thorough analysis, we determine if the flooring or floor covering problem is product related, an installation error, site related, normal characteristic, improper specification, or other condition.
- Forensic investigation
- Third party non-bias consulting
- Claim evaluation
- Research and advice
- Expert witness appearance
- Consulting services by phone or in person
- Industry educational & training services
- Industry technical writing & review services
- Moisture vapor emissions testing
TW Group Clients include:
Home owners, construction companies, retailers, manufactured home builders, fiber companies, floor covering manufacturers, wholesale distributors, insurance companies, attorneys and others. If you have a floor covering concern, TW Group is available to assist.
Our Informational Websites
As a way of saying thank you for the success that the floor covering industry has brought to our family, The TW Group host informational websites. These websites include Laminate Floor Problems, Carpets Wall to Wall and Floor Central. At these sites, we discuss flooring problems, how to identify them, and how to solve many floor covering problems. .
Serving Oregon and Washington
We service the state of Oregon and Washington. We are available for nationwide service and are prepared to travel anywhere in the world upon client requests. Service Area Click Here For more information about the TW Group or to arrange for our services, Schedule an Inspection online TW Group Inspections LLC Serving Oregon and Washington . Contact us at 800.621.3427
Work Experience & Past Projects
Work Experience
With more than 35 years of certified flooring inspection experience, TW Group Inspections has built a reputation as one of the Pacific Northwest’s most trusted authorities in floor covering evaluation. Led by nationally recognized inspector Kevin Weinheimer, and supported by the technical expertise of Terry Weinheimer, the team has performed thousands of inspections across Oregon, Washington, and beyond. Their work spans residential homes, commercial facilities, multi‑level buildings, and complex warranty or insurance disputes. Every inspection is grounded in industry standards and supported by advanced certifications and training from organizations such as NWFA, NALFA, IICRC, FCITS, NFIC, and NICFI, ensuring that each conclusion is defensible, unbiased, and technically sound.
Past Projects & Case Experience
Over the decades, TW Group Inspections has handled a wide range of flooring‑related challenges—from cupped hardwood and delaminating engineered planks to rippling carpet, moisture‑driven failures, installation errors, and product‑related defects. Their past projects include residential failure analysis, commercial facility assessments, multi‑story building moisture diagnostics, and expert witness support for legal and insurance cases. Each project follows a methodical process that may include moisture testing, site diagnostics, manufacturer standard review, and detailed written reporting designed to withstand scrutiny from manufacturers, contractors, insurers, and attorneys. Whether resolving a homeowner’s installation concern or providing clarity in a high‑stakes dispute, TW Group’s past work reflects a consistent commitment to impartiality, accuracy, and science‑backed evaluation.
