Scraping up glue-down LVT and sheet vinyl: when to presume asbestos, which blade to run, and how clean the substrate needs to be.
Modern glue-down LVT and sheet vinyl usually come up cleanly with a scraper and the right blade. Older sheet vinyl is a different story: its felt backing and the adhesive under it may contain asbestos, and the industry's own work practices say to presume it does until tested.
Unless you know for certain the flooring is asbestos-free, treat it as asbestos-containing. Don't dry scrape, sand or mechanically pulverize old flooring or adhesive.[1][4] Get samples tested first. See Cutback adhesive and asbestos ID, OSHA 1926.1101 and EPA asbestos.
Each blade type is matched to the material you're removing.[2]
| Blade | Use[2] |
|---|---|
| Standard (.062") | Soft goods, carpet and vinyl flooring |
| Heavy-duty (.094") | VCT, VAT, wood, tile and rubber |
| Extra heavy-duty (.187") | Tougher tear-outs: VCT, VAT, wood, tile and lighter ceramic |
| Self-scoring (45° or 90° wings) | Vinyl-backed goods, soft to medium PVC and linoleum |
Once testing clears the material, it comes down to blade choice and technique.
This is the case the industry work practices were written for. If the backing or adhesive tests positive, removal is regulated asbestos work. Under those practices, the removal is done wet, never dry-scraped:[1]
Check your state's rules before doing any of this yourself. Many require a licensed abatement contractor.
The expensive mistakes on this job are about testing and blade setup.
These are the machines and blades most used for resilient removal.
Linked PDF documents are archived copies saved by PreFloor Tools so they stay available if the publisher moves or removes them. Check the publisher's website for the latest revision.
National Flooring Equipment
National Equipment 5280 Self-Propelled Floor Scraper
$7,382.60
National Flooring Equipment
National Flooring Equipment Rogue Heavy Duty Walk-Behind Floor Scraper
$24,749.00
National Flooring Equipment
National Equipment 6284 3" x 12" Heavy Duty Floor Scraper Blade
$37.47
National Flooring Equipment
National 6277-BU 3" x 12" Self Scoring Floor Scraper Blades
$47.84
Roberts
Roberts 10-195-01 Blade
$16.64
Moving vs dormant cracks, which joints must carry through the flooring, rout-and-fill basics, and why no fill guarantees against telegraphing.
How the ASTM F710 surface pH test works, why the limit comes from your adhesive, and why you test after surface prep, not before.
Black cutback adhesive and old resilient tile can contain asbestos, and you can't tell by looking. What OSHA and EPA presume, how to get it tested, and what ...
OEM replacement parts, organized by assembly, with the manual for each machine.
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