We produce and manufacture top tier pvc membranes and complete commercial and residential roofing solutions for flat or low sloped roofs.
Minimum slope for durolast single ply membrane roofing.
Heat welded seams provide superior strength.
The duro last single ply roofing system is extremely durable leak proof resistant to chemicals fire high winds and virtually maintenance free.
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.
These membranes are particularly effective for roofs with a very low slope between 1 8 12 1 and 4 12 33.
Specialty flat roof decking product called deckshield is available for walkable flat roof decks.
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.
The idea is to provide positive drainage toward roof drains so there is no ponding water 48 hours after a rain storm.
This 1 4 12 minimum roof slope requirement also applies to spray polyurethane foam spf roof.
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.
Duro last membranes are available in 40 50 and 60 mil thickness.
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.
This warranty is only available for.
Membranes are available in solar reflective white and several different colors.
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.
Call us at 800 248 0280 contractor portal online ordering find a contractor.
The use of the resisto self adhered waterproofing membrane as a first layer and the resisto granulated cap sheet high resistance hr cap sheet as a second layer is an ideal solution to ensure the waterproofing of low slope roofs.
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.
Duro last is another pvc roofing manufacturer catering to commercial roof markets.
Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price.
Thermoplastic single ply membrane roofs must have a design roof slope of 1 4 12 or greater 2 slope.
