call us (800) 656-4604
Serving NORTHERN VIRGINIA,
MARYLAND, D.C. Metro area
They finished the job and had the job site cleaned up in less than a day. My wife and I were amazed!
Apex 21st Century CrawlSpace Waterproofing System
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The Apex 21st Century CrawlSpace System creates a dry and sanitary closed environment, providing a safe area for your storage needs, while improving the overall indoor air quality of your entire home. For more information, please call Apex Today for an Inspection and consultation.
Apex Crawl Space
Waterproofing System
Drainpipe and Sump Pump
If you need drainage, then we first dig a trench around the perimeter of the foundation, inside the crawl space, and install a sub-floor pressure relief system. This system is comprised of 4" Drain Pipe, in a deep, wide trench of round washed gravel, with weep holes drilled into the concrete block to bleed any water, which has accumulated. We then place a Miradrain wall drainage mat to allow continual drainage, and we then backfill to the surface with more gravel. The drain pipe leads to a sump pump, which will then discharge the water outside and away from the crawl space.
Crawl Space Sealing Drain Fabric
We then install over the floor a Sealing Drain Fabric
- 100 mil thick
- Prevents liner from "sticking" to soil
- Enhances water drainage beneath liner
- 100% polypropylene fibers - won't rot or decay
- Cushions floor - protects liner, hands and knees
Once the Sealing Floor Drain Fabric is installed, over top of that we place a 22 mil Multi-Ply Floor Liner, completely covering the entire crawlspace floor.
- Specially formulated rubber based adhesive system
- Seals out moisture and soil gases
- Unaffected by storage items and human traffic
22 mil Multi-ply Floor Liner
- 100% pure virgin resins
- Seals out moisture and soil gases
- Antimicrobial - Won't support mold growth
- Class A / Class 1 fire rated
- Nylon reinforced - won't rip, rot or decay
- 25 year manufacturer warranty
Permanent Seaming Tape
We seal the 22 mil Sealing Floor Liner with a 9 mil, white poly, 4" wide, permanent seaming tape.
- 4" wide, pressure sensitive, 9 mil white poly
- Specially formulated rubber based adhesive system
- Seals out moisture and soil gases
- Unaffected by storage items and human traffic
Crawl Space Waterproof Insulating Blanket
We then cover the walls with our Crawl Space Waterproof Insulating Blanket
- Class A / Class 1 fire rated
- Insulates wall - reduces energy costs
- Won't support mold growth
- Seals out water vapor and radon gas
- 99% pure aluminum backing
- No nesting support for pest and rodents
Crawl Space Heat Shield (optional)
If you choose, we can then insulate the top of the crawlspace, which is the underside of your first floor with a perforated heat shield (optional).
- Keeps living space floors warm.
- Built in reinforcing grid.
- Reflects 95% of radiant heat.
- 99% pure aluminum backing.
- Class A / Class 1 fire rated.
- Perforated" will not trap moisture.
Roll Adhesive
- Attaches insulation blanket to wall
- Seals floor liner to floor supports and pipes
- Never dries out, provides an air tight seal
- Non-toxic, USDA approved for indirect food contact
The Apex 21st Century CrawlSpace System creates a dry and sanitary closed environment, providing a safe area for your storage needs, while improving the overall indoor air quality of your entire home.
For more information, please call Apex Today for an Inspection and consultation. (800) 656-4604
Northern Virginia Basement Waterproofing
Alexandria, Arlington, Falls Church, Reston, Springfield
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