We’ve tracked down a more efficient caulking compound — one that does not contain toxic VOCs (volatile organic compounds) such as toluene and hexane. These are present in conventional caulk because they are cheap to produce. One company, AFMSafeCoat, produces a caulking compound that is a water-resistant, flexible sealant with excellent adhesion.
If you’ve got to fix a leak, you might want get some silicone sealant, instead of such things as Plumber’s Goop that contain toluene. Silicone sealants are often sold as aquarium or marine sealants. Some silicone sealants still contain questionable ingredients – best check the label. There are alternatives to any toxic substance they have […]