Proper Roofing Layers

Proper steps to shingle a house roof preparation.

Proper roofing layers.

Place the first layer of rolled roofing on the roof. Push the rolled roofing down into the wet cement to secure it to the roof. Insulation over 2 thick needs to be installed in two layers with staggered board joints per the roofing manufacturer s instructions. The first layer should cover the roof as far as the chalk line.

You use this in an attic in order to reduce heated air loss from the home. Staggering the board joints is more energy efficient since it does not allow a continuous break in the insulation layer. Water shield is the next roofing layer that creates a water proof barrier where ice or water can buildup near the roof eaves. This includes trusses that sit on the house and support materials used to build a roof.

You can either use special shingles called ridge shingles or cut a number of regular shingles into 3 tabbed equal pieces and bend each so they fit snugly on the roof peak and nail them into place. Made in one consistent thickness these shingles are usually 12 by 36 inches with three to five tabs or segments all with the same rectangular shape. Before laying down shingles you need to protect the roof with sheathing. It s usually a peel and stick product that adheres directly to the roof deck.

It serves as a moisture barrier as well as a slip sheet. Insulation is normal on the. Once again this is used on cold roof construction. The roof decking acts as a unifying structure by tying the trusses joists together.

The top coat is a layer of igneous rock granules wrapped in a ceramic pigment coating that protects the asphalt from uv rays. Bring the ridge edges together with a ridge capping layer. Make sure the product is designed to be used under metal. As you place the rolled roofing down stretch it to get rid of wrinkles and creasing.

The roof deck is the roof layer also called sheathing that is installed between the trusses joists and underlayment layer in a typical roof install. This type of underlayment is critical to a quality roof installation. If there is more than one layer of old shingles or if the single layer is extensively warped or damaged. We recommend a polypropylene scrim reinforced underlayment made up of multiple layers.

Price these are always the less expensive option. Roof deck is the roofing material that sits on top of the roof trusses. 3 tabs are less expensive but also less durable have lower wind resistance and have a flatter appearance. Roll out a single layer of roofing.

Asphalt shingles come in two major types 3 tab and architectural. Most roof decking is made from sheets of plywood.