Pitched Felt Roof Construction

4101 1 15 01 roof assemblies and rooftop structures.

Pitched felt roof construction.

1 we often see roof felt stopped short of the eaves. These thick layers of roofing felt are installed by heating the back of the felt with a butane torch and then carefully applying it to the roof. The pitch of a roof is arrived at by dividing the vertical rise and its horizontal span or what people in the roofing industry would refer to as the slope. When a reference is made within this rule to a federal statutory provision an industry consensus standard or any other technical publication the specific date and title of the publication as well as the name and address of the promulgating agency are listed in rule 4101 1 35 01 of the administrative code.

For every 12 horizontal feet the roof changes 5 feet in vertical height. Hi dan a couple of roofing questions. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Although ceramic tile roofs are expensive they can have a life span of over 100 years.

How to calculate pitch. Maximum ultimate design wind speed vult 140 mph. The actual process of putting down the underlayment will be one of the fastest parts of the entire roofing process. It is often compared to slope but is not exactly the same.

Builders argue its not a problem. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. Apply a 19 inch strip of underlayment felt. Ikopro solvent free water proofer is an easy to use bitumen based emulsion for roofs.

Maximum ultimate design wind speed v ult 140 mph. Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. Roof pitch in layman s language simply refers to the steepness of the roof. Installing the roofing felt does take care but can go very quickly.

The pitch of a roof is nothing more than a ratio that indicates how much rise there is in the roof over a 12 unit horizontal distance. For every 12 horizontal feet the roof changes 8 feet in vertical height. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. For roof slopes from two units vertical in 12 units horizontal 2 12 up to four units vertical in 12 units horizontal 4 12 underlayment shall be two layers applied in the following manner.

The product can be used as a waterproofing coating on asphalt fibre cement sheeting concrete and bituminous roofing membranes.