1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
Fluid membrane in low slope roofs.
Minimum slope for a membrane roof.
Inverted low slope roofing assemblies often include hot fluid applied membranes and cold fluid applied membranes.
This patented technology provides a durable finish with the ability to match existing roofing compositions.
Learn about liquid membrane roofing systems.
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.
For this type of roof shingles and other traditional coatings are less durable and less aesthetic.
With about 22 of low slope commercial roofing projects using metal systems according to scott kriner technical director of the metal construction association we wanted to see how metal compares.
Concrete is electrically conductive.
When we say flat roof we don t mean perfectly flat which is undesirable since water still needs to be shed to roof drains.
Modified bitumen membrane roofs must have a design roof slope of 1 4 12 or greater 2 slope.
Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically.
For a low slope residential roof there are two main options.
Thermoset single ply roofing minimum roof slope roof pitch r905 12 1.
This means for every 12 horizontal units the roof must rise a minimum of one fourth vertical unit.
Residential low slope roofing can generally be divided up into two broad categories.
Inverted roofing assemblies where the waterproofing membrane is applied directly to a structural concrete slab can be effectively eld tested without modifications to the roofing assembly.
Then apply standard asphalt shingles over the membrane.
These membranes are particularly effective for roofs with a very low slope between 1 8 12 1 and 4 12 33.
Finding the right products for your low slope roof.
Technically we are talking about low slope roofs that have a slope less than or equal to 3 12.
The life of structurally sounds roofs through their ability to eliminate many failure points associated with many aging low slope roofs.
Liquid membrane roofing systems.
For this type of roof shingles and other traditional coatings are less durable and less aesthetic.
Minimum roof slope roof pitch r905 11 1.
The membrane will outlast the shingles and seal around all nail penetrations.
The use of the self adhesive base ply membrane sa smooth ply 40 as a first layer and the self adhesive granulated cap sheet membrane sa cap gr or sa cap fr gr as a second layer is an ideal solution to ensure the waterproofing of low slope roofs.
As with single ply membranes there are toxicity concerns around some of the materials involved particularly coatings.
