Tapered Roof Drain Sump

One mistake that is commonly made with roof sumps is that they are made with extended flat areas.

Tapered roof drain sump.

It starts at 1 2 inch and with a 4 foot panel rises to a thickness of 2 5 inches. According to nrca drains should be located in square shaped gradually tapered sumps formed in the insulation to facilitate localized drainage at drains. 2019 chapter 3 crickets sumps. Hunter pre cut tapered products sumps hips valleys designed to save you time and money.

A typical interior roof drain assembly occupies about a 4 foot by 4 foot square area with a inch per foot tapered slope. When roof drains are located a great distance away from a sloped roof edge more than 48 it can be more cost effective to use a tapered backwash. The sump should measure the size of the drain bowl s diameter plus about 24 inches. Fill the void between the roof drain and the insulation with spray foam.

Now to have a nicely tapered roof only to lead to a 3 by 3 flat sump is going to make a white. Sopra iso sump considered by industry professionals as essential for isolated conventional roofs the 4 ft 4 ft catch basin helps ensure that the drain is at the actual lowest point. 4 x4 1220mm x 1220mm. Tapered backwashes can also help reduce the insulation height at the roof edge.

Tapered polyiso roof insulation draining water quickly and efficiently can reduce the adverse effects that standing water can have on roofs. By doni anto january 8 2019. The dimensionally stable gemini dst provides a positive 4 way slope to the roof drain. Roof sumps help the roof shed water more effectively and help eliminate the water pond size if the drain was not installed at the correct height.

We assist you in design and installation of the most efficient tapered polyiso solutions to meet your specifications and budgetary needs. Available with acfoam ii acfoam iii and facer technology one piece pre fabricated tapered panel. Atlas designed the gemini family of products to reduce or eliminate the amount of standing water when the roof deck does not provide adequate slope or drainage. Hunter panels tapered department consists of designers estimators customer service and field personnel.

Trim to the insulation. To match the next layer of insulation we use 1 2 inch per foot tapered insulation. Drains should be located in square shaped tapered sumps formed in the insulation whenever possible to facil itate roof system drainage. Easy to install in one step it contributes to positive drainage around drains.