How Do You Felt A Flat Roof

Find out how to fix a kerb edge in this detailed instruction video.

How do you felt a flat roof.

This layer is not bonded to the decking so that the decking can move without damaging the felt roof. Step 1 prep work. Lever against the. How to lay felt on a flat roof.

Follow the steps below to learn more the basics of roof felt installation and what is required before undertaking this type of roofing project. Removing the old roof. Check to ensure the roof is in good enough condition to walk over. You must remove any rotted pieces of wood on the roof and replace them with your plywood.

Laying the second bonded layer of underlay felt. Installing the roofing felt does take care but can go very quickly. Installing any gutter drips. Remove any debris that may interfere with the installation process.

You will be looking for any decking that has rotted or bowed. Complete the finish of a flat roof installation with permaroof kerb trim edging. Unroll the felt and cut it to fit the length of the roof with a utility knife. The sequence of laying a felt roof is.

A layer of gravel or small stones is applied on top of the final coating of asphalt to protect the roof. Laying the top bonded layer of top sheet felt. Step 2 placing the felt. Secure metal flashing at the edges of the roof before primer is applied.

Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. You can either measure the roof from the ground or by standing on a ladder and actually going. Remove the plies of the flat roof by thrusting into them with a spade. These applications are ideal for flat roofs or protective surfaces under roof level decks.

Laying the first nailed layer of underlay felt. Step by step guide for felting a flat roof step 1. Lay the first piece along one edge of the roof allowing one side to hang over the edge by about 2 inches. When you are felting a sloped roof you start at the bottom and work your way up so that rain pours over the top of the laps and not under them.

Once measured and cut line the first piece of felt up so that it over hangs the edge of the roof on three sides by enough to cover the side pieces of the roof. Keep attacking this initial spot until you get underneath all layers of the roofing and above the decking below.