What is under the porous pavement?

Related Questions

• How is porous asphalt pavement used for storm water management?
   - Porous asphalt pavements are being used to reduce or eliminate storm water runoff from parking lots and other ...
• Is porous pavement considered pervious or impervious?
   - Porous pavement is counted as impervious surface toward the threshold of jurisdiction for the applicability ...
• What is Gravelpave2 Porous Pavement?
   - Gravelpave2 is a plastic sub-surface reinforcement structure, with fabric added to the back, that creates a ...
• I recently repaired a porous ceramic goose with Fixall, and then waterproofed it with several coats of Jasco Cure-Seal. Is there any danger of toxic run-off when it rains?
   - There is no danger from any toxic run off. However, Jasco Wet Look Cure Seal is not to be used on ceramic ...
• The label says Benefect Disinfectant and Fungicide is for hard surfaces, what happens if I use it on my carpet or other porous surfaces?
   - If you use Benefect Disinfectant and Fungicide on porous surfaces then you cannot be sure that it will be ...