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The top five risks when converting an unfinished basement into livable space

12/29/2022

 
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Here are the top five risks you may run into if you are considering converting an unfinished basement into finished living space without the involvement of an architectural design professional to prepare the construction documents and without obtaining a building permit:

  1. Structural integrity: One of the main risks when converting an unfinished basement into living space is the potential for structural issues. The basement slab may not have been designed to support the weight of additional floors or walls, and adding these elements such as heavy games tables, water beds or other heavy appliances such as gym equipment could compromise the structural integrity of the slab. It's important to have a structural engineer assess the basement and make recommendations for any necessary reinforcements to existing structural systems before proceeding with the work.
  2. Water damage: Basements are prone to moisture and water infiltration, which can cause serious damage to the structure and create unhealthy living conditions. Proper exterior waterproofing and positive drainage away from the foundation walls is crucial to preventing water damage and ensuring the safety and comfort of the finished space. All signs of water ponding near or next to the foundation walls must be corrected before work can begin.  For older homes, having a CCTV examination of the weeping tile running around the perimeter of the homes is a recommended step to ensure water draining to the weeping tile flows freely to a sump pit or to the storm drainage outlet.

  3. Mold and mildew: If moisture is not properly controlled, mold and mildew will grow and pose a health hazard. It's important to identify and address any sources of moisture before converting the basement, and to use materials that are resistant to mold and mildew. Air infiltration at the junction of the sill plate and at the top of the foundation walls or around the perimeter of basement openings such as windows will allow warm moist air in the summer to create condensation when it comes into contact with the cold wall or flooring materials used in the basement.  This will create a cold and clammy living space few will feel comfortable spending any time in.

  4. Electrical, HVAC and plumbing issues: An unfinished basement may not have the necessary electrical, HVAC and plumbing infrastructure to support a living space. Upgrading these systems can be costly and time-consuming, and any work should be done by a licensed professional to ensure safety.

  5. Zoning and building code violations: Before converting an unfinished basement into living space, it's important to check with local zoning and building codes to ensure that the finished space will be up to code. A typical oversight is to ensure the insulation installed in the frost walls located around the perimeter of the foundation walls is up to code.    Failing to ensure your project meets the build code requirement so could result in fines or other legal issues, especially if the house is sold without disclosing the work to finish the basement was done without a building permit.
We can help you with your project to ensure it will meet the requirements of the building code and create a space that is safe, legal and comfortable. Email us at [email protected] to learn more about how we can help.


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    Hi, I'm Alan and the author of these posts.  I'll be writing about all sorts of different topics here. The purpose is to provide real life examples of stuff I've seen to provide insight from the experiences encountered.

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  • Home
  • Peace of Mind
  • Process and Pricing
    • Our Process
    • Pricing for New Construction Plans
    • Pricing for Renovation Plans
  • About Us
  • Contact Us
    • Building Permit Plans for Renovations
    • Building Permit Plans for New Construction
  • Blog
  • FAQ