# Kefficient: Foundation and Waterproofing

> At Kefficient, we deliver long\-term solutions such as crawl space encapsulation, foundation repair, and mold remediation in Richmond\.

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## Pages
- [Kefficient Petersburg](https://www.kefficient.com/service-area/kefficient-petersburg/)
- [Kefficient Midlothian](https://www.kefficient.com/service-area/kefficient-midlothian/)
- [Privacy](https://www.kefficient.com/privacy-policy/)
- [Promotions](https://www.kefficient.com/promotions/)
- [Mold Remediation](https://www.kefficient.com/mold-remediation/)

## Posts
- [Stack Effect \& Crawl Space Mold in Virginia](https://www.kefficient.com/stack-effect-crawl-space-mold-in-virginia/): Most homeowners know a damp crawl space is a problem\. Fewer understand how mold and moisture travel from underneath the floor into the air they breathe every day\. Here's what the stack effect does to Virginia homes in spring\.
- [Attic Insulation and Crawl Space Encapsulation](https://www.kefficient.com/attic-insulation-and-crawl-space-encapsulation/): When your home struggles to hold temperature, the attic and crawl space are often both contributing to the problem\. Addressing insulation above and encapsulation below gives your HVAC system a fighting chance and helps bring energy costs down\.
- [Why Are Your Floors So Cold? It Might Be Your Crawl Space](https://www.kefficient.com/cold-floors-above-crawl-space/): Cold floors in winter? You’re not imagining it\. For many Virginia homeowners, the real problem is underfoot\. Discover how crawl space encapsulation can help you stay warm, lower energy bills, and enjoy more consistent comfort year\-round\.
- [Interior vs\. Exterior Waterproofing](https://www.kefficient.com/interior-vs-exterior-waterproofing/): Waterproofing your basement is one of the smartest ways to protect your home, but not all methods are the same\. In this guide, we’ll walk through the pros and cons of interior and exterior waterproofing, so you can choose the right solution for your space and your budget\.
- [Does DIY Mold Remediation Work?](https://www.kefficient.com/does-diy-mold-remediation-work/): Finding mold in your crawl space or basement is unsettling, and the instinct to handle it yourself is understandable\. But spray bottle mold removers don't penetrate porous materials, disturbing a colony without containment spreads spores, and cleaning visible growth doesn't fix the moisture problem driving it\.

## Projects
- [Basement Waterproofing – Elizabeth H\.](https://www.kefficient.com/project/basement-waterproofing-elizabeth-h/)
- [Basement Waterproofing – Win L\.](https://www.kefficient.com/project/basement-waterproofing-win-l/)

## Testimonials
- [Sandy](https://www.kefficient.com/testimonial/sandy/)
- [Vickie Dodson](https://www.kefficient.com/testimonial/vickie-dodson/)
- [Ryan Trapp](https://www.kefficient.com/testimonial/ryan-trapp/)
- [Rena Logan](https://www.kefficient.com/testimonial/rena-logan/)
- [Mark Blakeney](https://www.kefficient.com/testimonial/mark-blakeney/)

## Type
- [layout](https://www.kefficient.com/layout_type/layout/)
- [section](https://www.kefficient.com/layout_type/section/)

## Module Width
- [regular](https://www.kefficient.com/module_width/regular/)
- [fullwidth](https://www.kefficient.com/module_width/fullwidth/)

## Scope
- [not\_global](https://www.kefficient.com/scope/not_global/)

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- [Sitemap index](https://www.kefficient.com/sitemap_index.xml)