Typical costs: 1  Replacing aging, leaking or inadequate ductwork typically costs about $35-$55 a linear foot for labor and materials, or $1,000-$5,000 or more for a single-family home, depending on the length and type of ducts used (sheet metal, fiberduct or round flexible ductwork) and local rates.
Not Veterinary Advice: No. A snail is not meant to shed or molt its shell and snails normally will not shed their shells. However, it can happen by accident, which usually leads to the snail dying.It's thought to be possible that some snails could live without their shells, until they form a new one, but this is considered unlikely.Snails are unable to reattach to their shells if they become separated, but it may still be possible for them to use the shell as shelter temporarily.owever, it can happen by accident, which usually leads to the snail dying. It's thought to be possible that some snails could live without their shells, until they form a new one, but this is considered unlikely.
Characteristics of Snails Snails can be found in gardens, in ponds and even in the sea. They belong to a group of animals with a soft body called molluscs (mollusks) which are related to oysters, clams, and other shellfish. Characteristically they have soft, unsegmented bodies.Normally, their soft bodies are protected by a hard shell. The scientific name for the garden snail is Helix aspersa.hey belong to a group of animals with a soft body called molluscs (mollusks) which are related to oysters, clams, and other shellfish. Characteristically they have soft, unsegmented bodies. Normally, their soft bodies are protected by a hard shell. The scientific name for the garden snail is Helix aspersa.