Sealed roof and method for sealing a roof

Abstract

A sealed roof and a method of sealing a roof is disclosed. The sealed roof is of the type having a inclined substrate with a first layer of shingles attached thereto. A sealing means is positioned adjacent at least a portion of the first layer of shingles. A second later of shingles is placed over the sealing means and attached to the roof.

Description

[0001] This application is a Continuation of a U.S. Continuation-in-Part application Ser. No. 09 / 447,605 filed on Nov. 23, 1999, which was a Continuation-in-Part application of U.S. Pat. No. 6,023,906; both of which are hereby incorporated by reference for all that is disclosed therein.Field of the Invention[0002] The present invention generally relates to a sealed roof and, more particularly, to a pitched, shingled roof having a first layer of shingles, a second layer of shingles, and a waterproof membrane located therebetween.Background of the Invention[0003] Many structures have pitched, shingled roofs, which prevent water, e.g., rain water, from entering the structures by causing water to pass over the shingles and off the roofs. A pitched, shingled roof has a pitched substrate, such a plurality of plywood sheets, with a plurality of shingles attached thereto.[0004] Each shingle has an upper portion and a lower portion wherein the lower portion is exposed to the environment. The...

AI Technical Summary

Problems solved by technology

The tar paper-type membrane is typically manufactured from a paper product and, thus, does not have a high degree of integrity.

Many membranes, however, are susceptible to passing water to the substrate and into the structure.

Even with overlapping shingles and membranes as described above, conventional pitched, shingled roofs are susceptible to water leakage, which can damage their underlying structures.

For example, if the membrane is damaged, i.e., it tears, it will not be able to shield the substrate from water.

Thus, if a shingle in the proximity of the damaged membrane also becomes damaged, water will contact the substrate and may enter the underlying structure.

Tar paper and similar membranes tend not be durable and further tend to tear when subjected to minimal force and are, accordingly, susceptible to leaking.

One of the causes of ice dams is due to melting snow caused by heat passing through the roof.

This causes heat to rise through the structure and heat the roof.

Thus, when the water from the melting snow passes over the portion of the roof covering the eave, it freezes.

As the snow continues to melt, more water passes over the eave portion of the roof and freezes.

This process is costly due to the cost of removing the existing shingles, the replacement cost for new shingles, and the disposal cost of the discarded shingles.

In addition, the removal of the shingles may cause damage to the substrate, which must be repaired prior to the application of new shingles and further increases the cost of sealing the roof.

Should the membrane become damaged for any reason, however, the roof may be susceptible to leaking upon the formation of an ice dam.

The process, however, has the additional burden of replacing the membrane, which may cause significant damage to the substrate if it is adhered to the substrate.

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