Residential Low Slope Metal Roof
Iko roof fast cap sheets are ideal for any new or re roofing low slope residential project.
Residential low slope metal roof. The traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. The panels have been designed for application over a wide variety of substrates on roof slopes as low as 1 2 12 pitch. Most structural metal panel roof systems are designed to resist the passage of water at laps and other joints as sealant or anti capillary designs can be used in the seams. For a low slope residential roof there are two main options.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs. Minimum metal roof slope depends on the roof profile building design climate and site location. Flintlastic sa products feature easy and clean application and also have granulated surfaces with colors that coordinate with certainteed shingles providing the homeowner with a complete and coordinated solution for roof designs that transition from steep to low slope. When looking at metal roofing panel you will need to consult with the manufacturer to ensure that the metal panel you selected will work for your application.
Then apply standard asphalt shingles over the membrane. Low slope metal roofs require less material which reduces the overall load on the building s structure. There are several benefits of a low slope roof. They can be used alone or in combination with roof fast base sheets.
Sunday august 5 2018. Low slope or steep slope commercial application. It is a planks on rafters roof that was originally tar and gravel. Because of the shallow height of the undulating ridges of the 5v and corrugated profiles and the use of exposed metal fasteners to screw the metal to the roof deck they are limited to a slope that will shed rain quickly.
The roof 50 squares has some complexity because of a 45 degree house section and a chimney. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. Low slope metal roofs provide years of low cost low maintenance performance. Available in 12 16 and 18 widths tite loc and tite loc plus panels can be produced in 22 and 24 gauge steel or 032 and 040 aluminum.
For the smaller residential low slope roofing applications such as garage and porch transitions certainteed offers an excellent solution in our flintlastic sa self adhering sbs modified bitumen roofing system. The membrane will outlast the shingles and seal around all nail penetrations. It is important to note structural metal panel roof systems can be used for steep slope roof assemblies too. A low slope roof is one whose slope is less than 3 12.
We have a prairie style house in east tennessee mixed humid climate zone 4a built in the 1950s with a low slope roof pitch of 1 5 per 12. Low slope 1 5 per 12 residential roof. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. These self adhesive sheets have a special release film on the back for easy installation.
Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs.