Shingles have self-seal strips with features that include sealant dashes or dots separated by drainage gaps. The self-seal strips are registered with each shingle so that the features are positioned at the same locations on each shingle. A method of making such shingles includes synchronizing the rotation of sealant applicator wheels with the shingle chop cutter so that cuts are made at repeated designated locations along the applied self-seal strips.

A fastener plate for use in coupling an underlayment to a roof surface is disclosed. In use, the fastener plate is arranged and configured to enable subsequently applied liquid coatings to flow through a top surface of the fastener plate and into one or more cavities so that the liquid coating seals any openings created by introduction of the fastener. In one embodiment, the fastener plate may include a top surface, a bottom surface, a fastener opening for receiving a fastener, a plurality of openings formed in the top surface, and one or more cavities positioned between the top surface and the bottom surface, the one or more cavities being in fluid communication with the plurality of openings so that the liquid coating can flow through the plurality of openings formed in the top surface and into the one or more cavities to seal any voids created by the fastener.

An impact resistant roofing shingle comprising an upper shingle layer; a lower shingle layer laminated to said upper shingle layer underneath said tab portion of said upper shingle layer; wherein each of the upper shingle layer and the lower shingle layer comprise a mat, an upper asphalt coating layer applied to an exposed side of the mat, a lower asphalt coating layer applied to an unexposed side of the mat, a granular coating applied to the upper asphalt coating layer opposite the mat, and a fabric reinforcing layer applied to the lower asphalt coating layer opposite the mat. In one embodiment, the roofing shingle may also include the fabric reinforcing layer covering the entire area of each mat. The roofing shingle may have a recessed area of the exposed side of the overlay layer that aligns with the overlap of the overlay and underlay layers.

In an embodiment, a method includes applying a liquid plural component polymer to a sloped roof to form a protective surface that inhibits moisture seepage to the roof sheathing. In some embodiments, the plural component polymer may be a polyurea compound having a hardening time that is less than approximately 10 minutes. In some embodiments, one or more of the components may be aerated prior to application to the roof substrate. In some embodiments, one or more polystyrene panels may be affixed to the sloped roof prior to application of the liquid plural component polymer. Other embodiments are described and claimed.

In an embodiment, a method includes applying a liquid plural component polymer to a sloped roof to form a protective surface that inhibits moisture seepage to the roof sheathing. In some embodiments, the plural component polymer may be a polyurea compound having a hardening time that is less than approximately 10 minutes. In some embodiments, one or more of the components may be aerated prior to application to the roof substrate. In some embodiments, one or more polystyrene panels may be affixed to the sloped roof prior to application of the liquid plural component polymer. Other embodiments are described and claimed.

This invention, in embodiments, relates to a roofing material comprising (a) a coated or covered substrate and (b) a single sealant applied to a surface of the coated or covered substrate, with the single sealant being free of asphalt. The single sealant exhibits a minimum activation temperature (? C.) (tan ?>1) from ?10? C. to 0? C. The single sealant is configured to adhere the roofing material to at least one of (i) an underlying roofing material, (ii) an overlying roofing material, and (iii) a roofing deck substrate.

A shingle repair patch is provided that may include a base member and granules. An adhesive strip is positioned proximate an upper edge on the underside of the base member, or elsewhere on the underside of the base member. The adhesive strip preferably permanently bonds a rigid lip to the base member. The rigid lip preferably extends beyond the upper edge of the base member. An adhesive strip may be positioned on at least a portion of the bottom side of the rigid lip. Release tape is temporarily affixed to the adhesive strip. The adhesive strip is composed of an adhesive that adheres securely without an extended or heat-induced cure period. Standard adhesive may be applied to the remainder of the bottom of the base member, or further adhesive like that found in the adhesive strip may be applied to the remainder of the bottom of the base member.

A system includes a plurality of roofing shingles installed on a roof deck. Each of the roofing shingles includes first and second ends, first and second edges, a head lap, a reveal portion, a first side lap at the first end, and a second side lap at the second end. The second side lap includes a first surface, which has an adhesive. The first side lap of a first one of the roofing shingles overlays and is attached to the second side lap of a second one of the roofing shingles to form a sealed portion between the head lap of the first one of the roofing shingles and the head lap of the second one of the roofing shingles.

A roof tile comprising a ceramic body and a reinforcing element attached to a lower surface of the ceramic body.

A lightweight roofing shingle comprising a saturated mat having an exposed side and an unexposed side wherein a fabric reinforcing layer substantially replaces the bottom asphalt coating and the backing aggregate on the unexposed side of a conventional shingle. The lightweight shingle will have a top asphalt layer applied to the exposed side of the mat and a layer of granular material applied to the top asphalt layer opposite the mat per conventional construction, and the fabric reinforcing layer is adhered directly to the unexposed side of the saturated mat. In one embodiment, the fabric reinforcing layer covers an entire area of the unexposed side of the saturated mat. The reinforcing layer may preferably be a nonwoven fabric made from PET or polypropylene. The lightweight roofing shingle may also include a release tape layer applied to the reinforcing layer opposite the saturated mat.