Then apply standard asphalt shingles over the membrane.
Low pitch roof replacement.
Roof deck sheathing roof covering materials such as asphalt shingles must be installed on solidly sheathed roofs.
Code also permits application on a roof that has a slope of less than 4 12 if the low slope roofing procedures are used.
Recommended materials to use on low slope roofs.
Solidly sheathed roofs include structural panels such as plywood and oriented.
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.
Low slope roofing inspection design leak detection repair procedures.
Tracking down the leak is the hard part.
This article defines low slope roofing and describes low slope roofing materials choices installations inspection defects roofing repairs and product sources.
But if you live in the snow belt and in the winter you have leaks only on warm or sunny days you probably have ice dams.
1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
The membrane will outlast the shingles and seal around all nail penetrations.
It s constructed of a durable reinforcing mat of non woven glass fibers that have been coated and permeated to a thickness of approximately 2 0 mm.
For example you may think you want classic composite shingles on your roof but if the pitch is below a certain ratio you may be forced to install a different type of roofing perhaps rolled roofing or standing seam metal roofing.
Shingle edges are curled or shingle tabs are cupped or cracked.
This top layer normally is tar over which the gravel is laid.
We discuss the following.
Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs.
Depending on the pitch additional equipment may also be necessary.
According to building supplies manufacturer owens corning the following is a list of signs you re roof needs to be replaced.
Definition of low slope roofing.
A steep roof pitch can add to the cost of installation as it will be more time consuming to work on a steeper pitch.
Bald spots where granules are missing your roof is at least 20 years old.
A complex roof architecture is more time consuming to complete than a simple flat roof due to angles and fitting.
Made of several layers of bitumen surfaces built up roofing is finished by applying an aggregate layer or coating as the top layer.
For a low slope residential roof there are two main options.
Built up roofing is the most popular roofing material used on low sloped roofs.
But the taller profiles like standing seam and pbr shown below can be installed on roofs with as low as 1 4 or 1 2 in 12 pitch.