초록 ▼

This invention is a method for sealing pitched shingled roofs. The object is to minimize the cost associated with sealing a roof against standing water such as the case with an ice dam. The method involves placing a continuous waterproof membrane over existing roofing shingles and placing the new sh

This invention is a method for sealing pitched shingled roofs. The object is to minimize the cost associated with sealing a roof against standing water such as the case with an ice dam. The method involves placing a continuous waterproof membrane over existing roofing shingles and placing the new shingles on the membrane. The membrane is self adhesive on one side, which is used to adhere to the existing shingles. It is further durable enough to withstand the forces between layers of shingles and thin enough so not to present torque problems with the fasteners used to affix the new shingles to the roof substrate.

대표청구항 ▼

[ What is claimed is:] [16.] A method for sealing a pitched shingled roof wherein said pitched shingled roof has at least one layer of existing shingles attached to a roof substrate, said existing shingles having a first surface and a second surface wherein said first surface faces said roof substra

[ What is claimed is:] [16.] A method for sealing a pitched shingled roof wherein said pitched shingled roof has at least one layer of existing shingles attached to a roof substrate, said existing shingles having a first surface and a second surface wherein said first surface faces said roof substrate and said second surface faces opposite said first surface; said method comprising:providing a waterproof membrane, said waterproof membrane having an adhesive side and a non adhesive side, said waterproof membrane having a tensile strength of about 68 pounds per inch;adhering said adhesive side of said membrane to at least a portion of said existing shingles second surface;fastening a second layer of shingles to said membrane nonadhesive side with a plurality of fasteners, wherein said fasteners extend through said second layer of shingles, through said membrane, through said layer of existing shingles, and into said roof substrate.