Minimum Slope For Durolast Single Ply Membrane Roofing

The custom fabricated single ply pvc duro last commercial roofing system is ideal for any flat or low sloped application extremely durable and easily installed by authorized duro last contractors without disrupting building operations the duro last roofing system is also watertight highly reflective resistant to chemicals fire and high winds as well as low.

Minimum slope for durolast single ply membrane roofing.

This 1 4 12 minimum roof slope requirement also applies to spray polyurethane foam spf roof. Single ply membrane has a weft insertion anti wicking scrim with a density of 18 by 14 threads per inch among the highest in the industry. These membranes are particularly effective for roofs with a very low slope between 1 8 12 1 and 4 12 33. This warranty is only available for.

This means for every 12 horizontal units the roof must rise a minimum of one fourth vertical unit. Duro last membranes are available in 40 50 and 60 mil thickness. Since our start in 1978 ib roof systems has maintained a superior performance record for commercial and residential single ply pvc membrane complete roofing solutions. For example the international building code 2018 edition ibc 2018 prescribes a 1 4 12 minimum roof slope for asphalt built up polymer modified bitumen thermoset and thermoplastic single ply and liquid applied membranes in new construction.

The idea is to provide positive drainage toward roof drains so there is no ponding water 48 hours after a rain storm. Membranes are available in solar reflective white and several different colors. Unique in the industry duro last offers a 15 year warranty with consequential damage coverage for duro last prefabricated roofing systems with no additional charge. Thermoplastic single ply membrane roofs must have a design roof slope of 1 4 12 or greater 2 slope.

The minimum slope for a flat roof is 1 4 per foot or 1 4 12 but some owners or insurance companies require a minimum slope of 1 2 per foot. We produce and manufacture top tier pvc membranes and complete commercial and residential roofing solutions for flat or low sloped roofs. Specialty flat roof decking product called deckshield is available for walkable flat roof decks. The duro last single ply roofing system is extremely durable leak proof resistant to chemicals fire high winds and virtually maintenance free.

Duro last is another pvc roofing manufacturer catering to commercial roof markets. Heat welded seams provide superior strength. Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope roofing system. Call us at 800 248 0280 contractor portal online ordering find a contractor.