Protection boards/sheets come in many varieties, their main purpose is to protect the foundation coating during backfill.
Reasons to use a protection board/sheet:
- Rocky backfill (including large rocks)
- Extra layer of protection
- Required in project Spec
- Drainage - (only with drainage mat options)
Reasons you may not need protection board:
- Backfill will be done next day after Damp Proofing is fully cured
- Slab-On-Grade foundation
Some Protection Board / Sheet Options:
EcoShield-E is a High Strength Polyethylene Geomembrane that works great in many applications as a protection sheet.
Asphalt Fiberboard is a pressed fiberboard impregnated with asphalt. Asphalt Fiberboard comes in various thicknesses. It provides protection for coatings, but it is expensive compared to other protection options available.
Roll Roofing Material
Roll Roofing is an Asphalt protection board that rolls out. Roll Roofing is an inexpensive alternative to Asphalt Fiberboard.
Fan-Fold Insulation / Protection Board
Most fan-fold boards are extruded polystyrene. Fan-Fold Insulation comes in many differnt thicknesses and types. It is easy to install and adds a little insluation value.
EcoDrain-E is a foundation wall drainage mat. It adds +10 Years for the EcoBase II and EcoBase waterproofing options
Warm-N-Dri is a pressed fiberglass insulation / protection / drainage board that is used in conjunction with the Tuff-N-Dri Waterproofing System. Warm-N-Dri is avable in three thicknesses.
3/4 inch Warm-N-Dri - (R-3)
1 3/16 inch Warm-N-Dri - (R-5)
2 3/8 inch Warm-N-Dri - (R-10)