Roofing Details For Drain With Overflow

Getting the roof drain and roofing elevation correct can save the owner and the contractors a lot of money.

Roofing details for drain with overflow.

Large sump with 16 internal waterguard for overflow drains 21500 19 roof drain. Josam 22200 combination roof drain overflow. Combination main overflow drain commercial construction. Insulated roof drain with soft metal flashing dwg pdf.

This can be accomplished by setting the head of the roof drain below the insulation level and by providing a sump at the drain. Craig j froeter if there is one thing that is for sure in the world of roof drains and roofing is that in many cases the plumbing contractor and the roofing contractor do not talk as much as they should. Main roof drain medium area office buildings overflow parks recreational areas. Penetration addition to paraflex liquid membrane.

Combination overflow roof drains. Pvc plus pack roof drain kit plastic dome roof drains archives roofing green roof technonicol cad roof drainage 2016 05 11 plumbing thermoset thermoplastic membrane fb roof drain detail cad s plans and detailswade 3042 13 in bo roof and overflow drainmercial roof drains pvc abs and cast ironinstallation operation maintenance bination primaryreplacing a roof. The roof drain should be recessed below the roof surface. Us rsbs 07 23b 3 ply sbs membrane insulated roof drain with liquid flashing dwg pdf.

Large sump with 19 stainless steel gravel guard 21500 6 roof drain. P 5b rs curb pad encapsulation detail over sbs membrane. B 4a rs full concrete masonry wall flashing with masonry coping cap. Penetration with paraflex 531 liquid flashing.

Paraguard expansion joint roof to roof roof drain. Tapered insulation panels should be installed around the drain to ensure positive flow of water towards the drain. 21500 16 roof drain. The omg overflow assembly provides additional water drainage if necessary when water on the roof exceeds certain levels.

Roof drain sumps by. Angled penetration with paraflex 531 liquid flashing. Add to cart. Us rsbs 03 21 3 ply sbs membrane insulated gravel stop.

Overflows are compatible with all omg retrofit and new construction drains supplied with a clamping ring and are available in two heights. Combination overflow roof drains.