Pitched Felt Roof Construction

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.

Pitched felt roof construction.

The product can be used as a waterproofing coating on asphalt fibre cement sheeting concrete and bituminous roofing membranes. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. How to calculate pitch.

For every 12 horizontal feet the roof changes 5 feet in vertical height. Although ceramic tile roofs are expensive they can have a life span of over 100 years. For every 12 horizontal feet the roof changes 8 feet in vertical height. 1 we often see roof felt stopped short of the eaves.

Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. 4101 1 15 01 roof assemblies and rooftop structures. Hi dan a couple of roofing questions. It is often compared to slope but is not exactly the same.

Maximum ultimate design wind speed vult 140 mph. Roof pitch in layman s language simply refers to the steepness of the roof. Because your roof deck might not lie perfectly straight or flat a layer of roof paper gives an even uniform surface upon which you can install your shingles. 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.

Roofing felt installation details omitted felt felt specifications for various roof pitches or slopes reader questions on roofing felt installation specifics june 28 2014 anonymous said. Maximum ultimate design wind speed v ult 140 mph. The actual process of putting down the underlayment will be one of the fastest parts of the entire roofing process. 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.

Builders argue its not a problem. 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. Apply a 19 inch strip of underlayment felt. Installing the roofing felt does take care but can go very quickly.

Ikopro solvent free water proofer is an easy to use bitumen based emulsion for roofs.