Modular Packed Flashing Assembly for Roof Window Groups
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Solution Overview
Problem
The existing flashing assembly system for roof windows results in significant scrapping of flawless components when dealing with larger or more complex groups, such as matrix configurations, due to the need for specialized flashing assemblies, which is inefficient and wasteful.
Innovation Solution
A packed flashing assembly system where standard flashing assemblies for single roof windows are combined with supplementary sets of flashing members, allowing for flexible configuration to accommodate various group constellations, reducing the need for specialized assemblies and minimizing waste by reusing existing components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specialized flashing assemblies are kept in stock for each roof window size and configuration, then weatherproofing reliability is improved, but inventory complexity and storage costs increase significantly
Solution Approach 1:
The flashing assembly is divided into separate modular components: a base flashing assembly for single windows and additional flashing members for multi-window configurations. This segmentation allows standard components to be combined in different arrangements rather than maintaining separate specialized assemblies for each configuration, reducing inventory complexity while maintaining weatherproofing reliability.
Solution Approach 2:
The base flashing assembly and additional flashing members are designed as universal components that can be used across multiple roof window sizes and configurations. The same standardized components serve multiple functions by being combined in different ways, eliminating the need for specialized flashing assemblies for each specific window arrangement.
2Adaptability or versatility
If specialized flashing assemblies are manufactured for larger or more complex groups of roof windows, then adaptability to different configurations is improved, but manufacturing costs and waste increase
Solution Approach 1:
The flashing system is segmented into a base assembly and additional modular members that can be selectively added. This allows the same standardized components to be reused across different configurations without manufacturing specialized assemblies, reducing material waste while maintaining configuration adaptability.
Solution Approach 2:
The invention enables recovery and reuse of standardized flashing components across multiple installations and configurations. Instead of discarding or scrapping components from specialized assemblies, the modular design allows components to be recovered and used in subsequent installations, minimizing waste.
3Adaptability or versatility
If multiple standard flashing assemblies are combined to cover complex roof window groups, then versatility is improved, but the number of items to be kept in stock increases
Solution Approach 1:
The invention merges the functionality of multiple separate flashing assemblies into a unified modular system. Instead of stocking multiple complete flashing assemblies for different configurations, the system combines a standard base assembly with additional flashing members that can be attached as needed, reducing the total number of inventory items while maintaining versatility.
4Reliability
If flashing members are attached to roof structure and roofing, then weatherproofing function is improved, but installation time and labor increase
Solution Approach 1:
The base flashing assembly and additional flashing members are designed to be pre-assembled or pre-positioned components that simplify the attachment process. The modular design allows for preliminary preparation of components before final installation, reducing on-site assembly time and labor while maintaining the required weatherproofing function.
Data Source
AI summary
A packed flashing assembly (1) for use with a group of roof windows comprising at least two roof windows mounted adjacent to each other in a sloped roof structure (3) is disclosed. The flashing assembly comprises a first set (I) of flashing members including one top flashing member (11), one bottom flashing member (12), and two side flashing members (13, 14) contained in a first packaging element (4), and a second set (II) of flashing members including one middle gutter flashing member (15, 19) and two other flashing members (11, 12; 13, 14) contained in a second packaging element. When mounting the flashing assembly at least three flashing members of the first set are mounted at a first roof window, and at least one flashing member of the first set is mounted at a second roof window, and the second set is mounted at the second roof window.