Repair Built Up Asphalt Roof

A new roof is only as good.

Repair built up asphalt roof.

Modified bitumen or torch down roofing is a popular alternative to classic tar and gravel built up roofs. First you look for the leak point of entry. In this application a thin layer of hot asphalt is spread over the roof with a mop followed by rolling down a felt a bituminous membrane reinforced by glass fiber or polyester on top of the asphalt. Additionally penetrations on an asphalt built up roof such as vents pipes and ductwork require repairing and inspection once annually as they may gradually open and require periodic re sealing.

If your roof assembly is a single ply membrane such as epdm or tpo the application of asphalt repair material to the surface of the membrane can damage the membrane and lead to a much larger patch or even full replacement. Maintenance of an asphalt built up roof. Mainly spudding gravel filling in the v. The following method of repair is only applicable to roof systems that are asphalt based.

Besides the safer application that modified bitumen versus built up roof system it also offers a built in redundancy flexibility and uv resistance. Easier and faster to install it consists of a single rubber membrane that is heated with a torch and then bonded to a fiberglass mat that is attached to the roof sheathing. Usually the sun can find it for you by causing the water to take a peek out of its hole when the sun heats it up. A built up roof requires annual inspections as it is very common to find several leaks that have developed over the year.

Repair built up roofing undulations by simply adding layers on top of the area to level it. Cracks on the asphalt surface should be an easy fix. Cracks are a quick fix for an asphalt built up. Start by cleaning the area of any gravel and debris.

Walking through the roof repair from taking off the gravel to cold processing rolled roofing onto the built up roof. The most common type of built up roof is installed using a hot mopped method. The repair methods for built up roofs vary in adhesives used but the procedures are basically the same. Repairing blisters on a flat roof.

An alternative to built up roof system is the conventional modified bitumen roof system that comprise asphalt and plastic or rubber polymers. All you have to do is make sure the area is clean of any debris and apply a new coat of asphalt over the crack. Cleaning the area around the patch will ensure it seals correctly to the membrane and not to loose gravel or dirt. If your roof is covered with a gravel surface this becomes slightly more difficult.

Make sure the substrate is in good condition before making any repairs.