The fire marshal wanted railings because there is a fire escape at the edge of the roof.
Sleepers on a tpo roof.
They are typically used to elevate piping ductwork hvac equipment walkways pv solar supports and more from rooftops.
This single ply roofing membrane is ideal for quick installs on larger roofs.
3 16 4 8 mm gap between boards.
Deck must be designed to ensure that proper drainage and air flow are maintained.
Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope.
However i would highly recommend that you consider a that the epdm is lying flat on the roof subfloor without any sharp objects that can puncture the edpm once sleepers are laid over top and placed under load.
Run the sleepers parallel to the slope and make sure you leave drainage weeps through the lower rim sleeper and if you don t need a rim sleeper at the bottom of the slope you ll be better off without one.
We also offer 45 mil min and 60 mil min tpo membranes.
Tpo roofing systems 101.
The 2x6 s gave us something to bolt our posts to.
Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price.
1 4 6 4 mm minimum gap where the decking meets a solid wall maximum of 3 8 9 5 mm recommended.
We put down walk mats then sleepers and framed with 2x6 on top of that.
Roof top deck with sleeper system install guide.
You can use 2x material laid flat or 4x material also as sleepers.
This is the standard gapping for duralife products.
I know what you mean about fearing it will slide or blow off the roof if it isn t nailed down somehow but it won t.
Heat welded seams provide superior strength.
You can do a floating deck and is really your only option.
The sleeper standoff support offers a strong and economical solution for creating an elevated rooftop standoff from existing sleeper supports or roof curb.