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.
How do you felt a flat roof.
Step by step guide for felting a flat roof step 1.
Unroll the felt and cut it to fit the length of the roof with a utility knife.
Step 2 placing the felt.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
Laying the second bonded layer of underlay felt.
Plies are the layers of felts fabrics and mats that make up roofs.
A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.
Installing any gutter drips.
Laying the top bonded layer of top sheet felt.
You will be looking for any decking that has rotted or bowed.
Secure metal flashing at the edges of the roof before primer is applied.
Removing the old roof.
A layer of gravel or small stones is applied on top of the final coating of asphalt to protect the roof.
Installing the roofing felt does take care but can go very quickly.
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.
How to lay felt on a flat roof.
These applications are ideal for flat roofs or protective surfaces under roof level decks.
You can either measure the roof from the ground or by standing on a ladder and actually going.
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.
Follow the steps below to learn more the basics of roof felt installation and what is required before undertaking this type of roofing project.
Lever against the.
Check to ensure the roof is in good enough condition to walk over.
Complete the finish of a flat roof installation with permaroof kerb trim edging.
Lay the first piece along one edge of the roof allowing one side to hang over the edge by about 2 inches.
The sequence of laying a felt roof is.
Find out how to fix a kerb edge in this detailed instruction video.
Laying the first nailed layer of underlay felt.
This layer is not bonded to the decking so that the decking can move without damaging the felt roof.
Keep attacking this initial spot until you get underneath all layers of the roofing and above the decking below.
Remove any debris that may interfere with the installation process.