They also make a synthetic paper that is stronger and better than roofing felt,,tar paper for the golden oldies like me....

I bought synthetic mattress covers that are supposed to take care of this, however I did see this product on shark tank:https://buggybeds.com I've never had any "bug" related issues in 3 years.Mike

If it's the flooring I'm thinking of (the synthetic tiles that click together that are completely waterproof), you might not even have to pull them up.I've had water get under those in my own house from a plumbing malfunction, to where the whole floor was floating.

Why not give your tenants a notice:All painted surfaces have been painted with a startch base in the paint that will turn purple if any painted area is exposed to any synthetic drug smoke or vapor such as meth or K-2.LOL!

While termites won't eat through the stucco, they will eat through the polyurethane foam that often sits between the stucco and framing, especially on houses with synthetic stucco.If the stucco terminates below grade, termites can trench below the ground and up behind the stucco.

use synthetic 

It uses a powerful synthetic pyrithroid that attracts roaches and attacks their central nervous system.

Many clothes are polyester/synthetic that do not readily support mold growth. 

Moreover, if the house smells of too many synthetic fragrances, like candles, air fresheners, or sprays, it may be to cover up problematic odours.Check for leaks under the sinks, basement, windows, and other areas if you notice a moldy odour.

And I'm sure there are more synthetic opioids coming: we've only known about fentanyl since the 1950s and carfentanil since 1974.We're talking about tiny, tiny amounts of the target substance here.