For facilities that cannot use 10 runner mats due to restrictions of lobby size and or aesthetics the usgbc has ruled the following.
Leed walk off mat size.
Roll size 3 x 60 4 x 60 6 x 60 semi custom sizes 3 4 and 6 widths by custom lengths up to 60 custom sizes any width x any length weight 88 oz sq yd thickness 1 4 possible leed v 4 credits please see the mats inc.
Entrance mats are part of leed requirements for credits in the certification process.
No matter what you call it a carefully designed foyer or vestibule will accomplish a lot in terms of indoor air quality or iaq for your building occupants.
If people would just stop and wipe their feet you d only need a 3 5 foot mat but nobody does that they just walk in.
The most points for entrance systems is ieq credit 5 providing a permanent entrance system of at least 10 feet in all major entrances.
Larger mats cover more surface area and provide enough room for individuals to take the recommended four to five steps before walking off even when cutting diagonally across a large lobby area.
3 x 60 4 x 60 6 x 60 mat sizes.
3 x 5 and 4 x 6 sizes are approximate thickness 3 8 face weight 37 oz sq yd installation loose lay can be installed wall to wall or as a walk off mat.
The sum of all these points determine the scale of leed certification in a building.
Backing premium suretac vinyl format mat roll size roll size.
If you are new to green building there is a very simple but often overlooked segment of the design program called walk off walk off area or walk off matting.
Walk off mats runners.