Roof Ridge Vent Sealing for Uneven Hip Roof Surfaces
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Solution Overview
Problem
Conventional roof ridge vents fail to provide an effective seal on hip roofs with stair or stepped surfaces, leading to gaps that allow weather and debris to enter, which compromises ventilation efficiency and roof integrity.
Innovation Solution
A roof ridge vent design featuring elongated resilient members that compress against the exterior surface, forming a seal between the vent and the roof, including protrusions and dual durometer components to ensure a tight fit on uneven surfaces, thereby filling gaps and preventing weather ingress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional roof ridge vents are used on hip roofs with stair or stepped surfaces, then the vent can be installed on the roof, but gaps form between the vent base and the roof shingles allowing weather and debris to enter
Solution Approach 1:
The patent employs a flexible sealing member comprising a foam material that can deform and conform to uneven roof surfaces. This flexible sealing member is received within a groove of the vent base, allowing it to adapt to stair or stepped surfaces while maintaining a weather-tight seal, thereby resolving the contradiction between sealing effectiveness and adaptability to uneven surfaces.
Solution Approach 2:
The patent incorporates a compressible foam material as a sealing member that is pre-installed in the vent base groove. This foam material acts as a cushion that can be compressed during installation to ensure contact with the uneven roof surface, providing beforehand protection against weather and debris infiltration before the vent is fully installed and operational.
2Strength
If the vent base is made rigid to maintain structural integrity, then the vent body remains stable, but the vent cannot conform to uneven roof surfaces
Solution Approach 1:
The patent divides the sealing function from the structural function by segmenting the vent base into a rigid base structure and a separate flexible sealing member. The rigid vent base maintains structural integrity and stability, while the separate foam sealing member provides conformability to uneven surfaces, thus resolving the contradiction between strength and shape adaptability.
Solution Approach 2:
The patent uses a composite structure combining a rigid vent base material (providing structural integrity) with a flexible foam sealing member material (providing conformability). This composite approach allows the vent system to simultaneously achieve both structural strength and adaptability to uneven roof surfaces like stair or stepped configurations.
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 seals uneven roof surfaces, enhancing ventilation efficiency and extending the lifespan of the roof by preventing moisture and heat buildup, while maintaining airflow through strategically placed openings.
Implementation Method 1
a plurality of elongated resilient members extending longitudinally between the first end and the second end, each of the elongated resilient members cooperating with a corresponding number of the protrusions. The elongated resilient members are structured to compress against the exterior surface of the roof, thereby forming a seal between the vent and the roof.
Data Source
AI summary
A vent for a roof includes a body having an inner surface facing the roof, an outer surface, first and second opposing ends and first and second opposing sides. First and second edge portions are disposed at or about the first and second sides, respectively, and include a plurality of openings for the passage of air. A plurality of protrusions extend outwardly from the inner surface of the body. A plurality of elongated resilient members extend longitudinally between the first and second ends of the body and cooperate with the protrusions. At least a portion of each of the elongated resilient members extends beyond a bottom edge of the vent and is compressed against the exterior surface of the roof, in order to substantially fill in and seal spaces between the exterior surface of the roof and the at least one vent.