Our builder is using a product called 'Form-A-Drain'. It's a three-in-one, 90+% pre and post-consumer recycled PVC product used as:
- Footing forms
- Drainage system
- Radon ventilation
Unlike standard wood forms, the Form-A-Drain pieces stay in place permanently after completion of the concrete pour, exactly like the ICF forms. Since they form a complete sub-slab perimeter loop around the foundation they can do the triple-duty as a foundation drainage and a radon collection system as well. It also saves construction time since there’s no need for a crew to return the next day to remove, strip, clean and transport forms to the next jobsite.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiK6fWUZv0hf-k1rjQw-OdhatXkZau7wDXKEZl_UsltifMowaRnHncNAuXsYH0wf5rMFKwUtHNbXy9ro4rnEFBt0J-G52oKgc4cjl2CUJqYkVjEQnT0Yyj4NPbUHtwp1DmdrtDMnUlvbiQ/s1600/FormADrain1.jpg) |
Forms prior to pouring the footer. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjLmKV9Khyphenhyphen0Rd38-S0Bo1JSAkO_HBq16pL9VdzMT01tS51OuN7hjGzcQGEdGKZcsWDuvVhlR1eiCJ87UcW2MpvKaE5koIZ9lQP82ec6dOOBOkTXikGh1mTgswnE6QVa-N2qECyz_E0r80/s1600/FormADrain2.jpg) |
Post-pour result. |
Disclosure: Our builder is using the CertainTeed brand and most info for this post was sourced from
their site.
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