Old Felt Flat Roof

In terms of materials please note that there are several different weights for the roofing felt.

Old felt flat roof.

Roofing felt is one of the oldest available options and advances made in the past decade or so have begun to move more towards the torch on approach. Before you put on the new roof you ll need to remove the plies or layers of fabric that make up the old roofing with a spade. While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. Im not sure i buy into this thinking the whole way.

Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. Hope all goes well. The old felt should be stripped off and the boarding aswell so you have a clean service for rubber or you can primer for a fibreglass roof. Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe.

Check to ensure the roof is in good enough condition to walk over. The rolls of felt are quite heavy and to avoid damage must be handled with care. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. There are many different types of flat roofing systems available each one with their own pros and cons.

Step 1 prep work. Here are simple steps to get you started. This guide will use the more durable 30 roofing felt although you can use 15 felt. The best time to lay a felt roof using cold applied adhesive is when the weather is warm but this means that working on a flat roof can be exhausting work with the sun s heat and the heat reflected from the felt already laid.

But if the felt roof is done with good thickness high performance felt it should last a long time depending on when it was done. Actually i attended a roof seminar 10 yrs ago or so and they stressed removing the old felt their theory was the old felt acts like a dry sponge and removes the good properties from the new application. Follow the 10 steps below in order to felt a flat roof.