Proper Roofing Layers

Push the rolled roofing down into the wet cement to secure it to the roof.

Proper roofing layers.

Water shield is the next roofing layer that creates a water proof barrier where ice or water can buildup near the roof eaves. You use this in an attic in order to reduce heated air loss from the home. Asphalt shingles come in two major types 3 tab and architectural. This type of underlayment is critical to a quality roof installation.

3 tabs are less expensive but also less durable have lower wind resistance and have a flatter appearance. Roof deck is the roofing material that sits on top of the roof trusses. If there is more than one layer of old shingles or if the single layer is extensively warped or damaged. Staggering the board joints is more energy efficient since it does not allow a continuous break in the insulation layer.

Place the first layer of rolled roofing on the roof. Insulation over 2 thick needs to be installed in two layers with staggered board joints per the roofing manufacturer s instructions. It serves as a moisture barrier as well as a slip sheet. The roof decking acts as a unifying structure by tying the trusses joists together.

Roofing layers understanding what is under the shingles framing. The top coat is a layer of igneous rock granules wrapped in a ceramic pigment coating that protects the asphalt from uv rays. It s usually a peel and stick product that adheres directly to the roof deck. The first layer should cover the roof as far as the chalk line.

Make sure the product is designed to be used under metal. Roll out a single layer of roofing. Insulation is normal on the. Once again this is used on cold roof construction.

Most roof decking is made from sheets of plywood. We recommend a polypropylene scrim reinforced underlayment made up of multiple layers. Shingles are the element that most homeowners are familiar with as it is the layer you can see from the outside of your home and it is an important aesthetic aspect. 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.

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. Bring the ridge edges together with a ridge capping layer. Proper steps to shingle a house roof preparation. 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.

This includes trusses that sit on the house and support materials used to build a roof. You ll need longer nails for this part as you re driving through more layers of shingles.