Repair Built Up Asphalt Roof

Maintenance of an asphalt built up roof.

Repair built up asphalt roof.

Repairing blisters on a flat roof. The most common type of built up roof is installed using a hot mopped method. Walking through the roof repair from taking off the gravel to cold processing rolled roofing onto the built up roof. A built up roof requires annual inspections as it is very common to find several leaks that have developed over the year.

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. If your roof is covered with a gravel surface this becomes slightly more difficult. Mainly spudding gravel filling in the v. Modified bitumen or torch down roofing is a popular alternative to classic tar and gravel built up roofs.

An alternative to built up roof system is the conventional modified bitumen roof system that comprise asphalt and plastic or rubber polymers. Cracks are a quick fix for an asphalt built up. The repair methods for built up roofs vary in adhesives used but the procedures are basically the same. Make sure the substrate is in good condition before making any repairs.

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. The first step in repairing a built up asphalt roof and the majority of other roofs is to thoroughly clean the damaged surface. 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. 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. 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. 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. Repair built up roofing undulations by simply adding layers on top of the area to level it.

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. Cracks on the asphalt surface should be an easy fix. Start by cleaning the area of any gravel and debris. The process shouldn t take long and will effectively fix the problem.

An important step in completing an effective repair to your low sloped built up roof system is to confirm that your roof system is in fact an asphalt based roof system.