The property you are considering buying may bring you a lot of money. Only it has a major problem, which is why you can buy this property in such a transaction. The problem is the smell and smell left by many pets.
Should you seal or paint the floor and walls to capture the smell? Will this solve the problem for you? Unfortunately, the answer is no.
The sealant is designed to prevent the stains on the walls from boring and to stain new paint applied to the walls. They are not designed to seal or prevent gas [odor] from escaping or passing. Some, but not most, coatings do produce a gas-impermeable continuous film coating. However, considering that only one of many sides of an object is painted like a drywall or floor, this approach provides limited odour control and success.
Fire and tobacco smoke are exceptions. However, even after most of the tobacco tar is washed away by trisodium phosphate [TSP], even the walls and ceilings that have been contaminated with tobacco smoke for a long time. The remaining tobacco smoke can be eliminated with chlorine dioxide gas. It is a small packet of powder that, when exposed to water vapor, produces a gas called chlorine dioxide. This gas oxidizes smoke residues and completely removes odors within 24 to 48 hours.
Sealing the urine odor into the floor can work on plywood floors, but careful analysis of the process reveals some serious defects. The sealing panel floor actually reduces the amount of water and water vapor entering the urea salt [produced by the urine residue] so that the salt does not produce an odor in the form of a mercaptan gas.
However, when the local board is put back into service, a small movement of the surface due to occupant traffic and furniture will cause the sealant to rupture and leak water vapor and mercaptan gas. The crack is large enough to allow water vapor and mercaptan gas to escape, but is too small to allow the water liquid to enter the urea salt. In addition, the floor has six sides. Sealing the side is not enough to solve the problem.
Sealing concrete floors with sealants or paint is more effective, but most sealants and paints are breathable. In addition, scratches and wear points in the sealant or paint can cause the mercaptan gas to leak again through the seal, causing the above problems.
Seriously contaminated wood and concrete floors are another problem. When the urea salt is wetted from the wood or concrete, it swells and actually lifts the sealant and paint off the floor. When these blisters burst, the odor will recover.
So if sealing and painting don't work, what would it be?
Orignal From: Why seals and paints do not eliminate odors
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