Sumped Roof Drains With Insulation

Sumped roof drain with parapro flashing.

Sumped roof drains with insulation.

A typical interior roof drain assembly occupies about a 4 by 4 square area with a per foot tapered slope. Paraguard roof drain with parasolo flashing. Coated metal roof edge. Roof drain pans company 888 900 9145 949 317 0251.

The threaded extension is placed on the structural deck level to accommodate various thickness of insulation thereby avoiding the necessity of tapering or feathering the insulation layer down to the fixed body flange level of the drain causing a loss of insulation value at the drain location. Sumped roof drain with parapro paraflex 531 liquid flashing. The roof drain is usually set in the deck and the membrane is stretched over the entire roof. Superior roof drain sump pans for the construction industry.

According to nrca drains should be located in square shaped gradually tapered sumps formed in the insulation to facilitate localized drainage at drains. Paraguard extruded edge system. Pst usa roof drain pans company 888 900 9145 949 317 0251. Epdm roofs are water proof and tend to be expensive.

Coated metal roof edge joint treatment. Near drains are flush with roof and far drains are sumped 1. Now you may wonder how that could produce such large ponding water areas on a roof with tapered insulation. If the insulation reaches 3 or thicker an 8 by 8 creates a more gradual slope while still providing the necessary momentum.

4 x4 1220mm x 1220mm. Paraguard m raised edge system. As a general rule if the insulation is 2 thick or less a 4 by 4 is sufficient. Sometimes there is only a generic drain detail and the insulation drain height is not known until the tapered insulation drawings are done by the roof insulation manufacturer and approved by the architect.

The membrane is cut out at each drain and is secured by the drains clamping collar. Parapro 123 flashing system fully adhere wipe w pro prep before lapping subsequent sheets paradiene 20 fully adhere to substrate set in sft cement 6 around drain perimeter rigid insulation slope to drain paradiene 30 fr fully adhere paradiene 20 see note 1 fully adhere 3 3 structural substrate. Coated metal overflow scupper. But this in most cases is done well before the drains are installed and probably purchased.

A rubber roof is just that a rubber membrane is placed over insulation panels which are fastened to the deck. If a roof drain is installed flush with a roofing system the drain ring itself will create a pond due. A typical interior roof drain assembly occupies about a 4 foot by 4 foot square area with a inch per foot tapered slope. The dimensionally stable gemini dst provides a positive 4 way slope to the roof drain.

Never let water begin to pond. Send us your specs and plans. Well the answer is quite simple. Industry only talk to the plumber tech support.