Roof Ridge Vent Strip with Fold Line for Clean Ridge Profiles
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Solution Overview
Problem
Existing ridge vents on asphalt shingle roofs often fail to maintain a clean, distinct ridge line due to the material becoming rounded as it extends over the vent slot and partially down on each side, compromising the aesthetic and functional integrity of the roof.
Innovation Solution
A vent strip with a longitudinal groove on its upper side and adhesive strips on its lower side, which contacts the shingles, is used to create a clear ridge line by forming a fold line and ensuring proper adhesion and moisture protection, available in stick or roll form.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a non-woven synthetic fiber mat is used to cover the vent slot, then airflow is allowed while moisture and debris are prevented from entering, but the ridge line becomes rounded and loses its clean appearance
Solution Approach 1:
The vent strip is divided into distinct functional zones: an upper portion that forms the clean ridge line, a longitudinal groove for folding, and a lower portion with adhesive strips for attachment. This segmentation allows each zone to perform its specific function optimally.
Solution Approach 2:
The vent strip is pre-formed with a longitudinal groove that creates a fold line during installation. This preliminary structural preparation ensures that when the strip is folded over the vent slot, it automatically forms a clean, sharp ridge line rather than a rounded one.
2Reliability
If the vent material extends over the vent slot and down the sides, then coverage and protection are improved, but the material becomes rounded and aesthetic appearance deteriorates
Solution Approach 1:
Different portions of the vent strip have different properties: the upper portion is designed to form a sharp fold for aesthetic appearance, while the lower portion includes adhesive strips for secure attachment and moisture protection. Each local region is optimized for its specific function.
3Reliability
If adhesive strips are added to the vent strip, then attachment to shingles is improved and moisture protection is enhanced, but device complexity increases
Solution Approach 1:
The adhesive strips are integrated directly into the vent strip structure itself, merging the attachment function with the protective covering function. This eliminates the need for separate adhesive applications or additional components, thereby reducing overall system complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively maintains a clean ridge line while allowing airflow and preventing moisture and debris ingress, enhancing both the appearance and functionality of the roof ventilation system.
Implementation Method 1
The longitudinal groove forms a fold line to define a ridge line of the roof
Implementation Method 2
Longitudinally extending glue strips are provided on a lower side of the vent strip adjacent to each of the longitudinal sides, which contact the asphalt shingles or composition roofing on either side of the vent slot
Implementation Method 3
The slot creates effective heat ventilation by convection flow and suction caused by wind across the roof ridge
Implementation Method 4
suction caused by wind across the roof ridge
Implementation Method 5
The synthetic fiber mat allows for air flow through the slot at the roof ridge, while preventing the ingress of moisture and debris
Data Source
AI summary
A roof ridge vent system for roofs which includes a vent slot located through the roof structure along the roof ridge. A vent strip is provided that has a sufficient width to extend over the vent slot and partially over the shingles on each side of the vent slot. The vent strip has a longitudinal groove on an upper side located in a medial position that extends the length of the vent strip. The longitudinal groove forms a fold line to define a ridge line of the roof. Longitudinally extending glue strips are provided on a lower side of the vent strip adjacent to each of the longitudinal sides, which are adapted to contact the roofing on either side of the vent slot.