EXTERIOR THRESHOLD CONSIDERATIONS
Thermal Breaks
Waterproofing
Thermal Breaks
- Provide a thermal break between the interior slab and the exterior sidewalk/slab
- 1/2" expansion Joint is not considered a Thermal Break
- If a Thermal Break is included at the Threshold, the Threshold must be wide enough to span the gap.
Waterproofing
- The mastic used to set the Threshold must be compatible with the rigid insulation
- Cold fluid applied waterproofing to be applied in below grade conditions