How to Identify Bad Silicone Sealant: A Quick Guide

Learn how to spot bad silicone sealant with these simple signs and ensure effective repairs.

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Silicone sealant is bad if it exhibits the following signs: hardening, cracking, or becoming discolored; emits a foul odor; or has been stored past its expiry date. For a definitive check, test a small amount: if it doesn’t cure properly within the expected time frame, it's no longer effective and should be replaced.

FAQs & Answers

  1. What are signs that silicone sealant is expired? Signs include hardening, cracking, discoloration, and a foul odor.
  2. Can you use silicone sealant after its expiration date? It is not recommended, as it may not cure properly and can lead to ineffective sealing.
  3. How long does silicone sealant last? Silicone sealant typically lasts between 10 to 20 years if properly stored and used.

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