Deck Siding Attachment Devices Preventing Moisture Ingress
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Solution Overview
Problem
Traditional methods for attaching deck boards and siding boards to supporting structures often lead to moisture ingress, causing decay and weakening of the supporting structures, and require overlapping materials which is inefficient and costly.
Innovation Solution
The development of attachment systems and devices that use sheet metal or composite materials to secure deck and siding boards without puncturing them, utilizing grooves and engagement members to maintain spacing and prevent water pathways, allowing for easy installation and economic manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If nails or screws extend downward through deck boards into joists, then the deck boards can be securely attached to the supporting structures, but moisture pathways are created leading to decay and weakening of the supporting structures
Solution Approach 1:
The patent introduces an intermediary attachment device that mediates between the deck board and the joist. This device includes a base portion attached to the joist and an engagement member that extends into the deck board without requiring fasteners to penetrate through the board. The intermediary device provides secure attachment while preventing direct moisture pathways from the board surface into the joist, as the engagement member engages with grooves or features on the board surface rather than penetrating it.
Solution Approach 2:
The attachment system is segmented into separate functional components: a base portion that attaches to the supporting structure and an engagement member that interfaces with the deck board. This segmentation allows the attachment function to be separated from the board penetration function, enabling secure attachment without creating moisture pathways through the board. The base portion remains on the joist while the engagement member interacts with the board surface.
2Object-affected harmful factors
If siding boards overlap lower siding boards to provide drainage and ventilation spacing, then moisture drainage and ventilation are improved, but material usage increases and installation complexity increases
Solution Approach 1:
The patent introduces an intermediary standoff fastening device that mediates between the siding board and the wall structure. This device includes a standoff portion that extends from the wall to create spacing, allowing drainage and ventilation gaps without requiring the siding boards to overlap. The engagement member attaches the board to the standoff device, providing the same moisture drainage and ventilation benefits while eliminating the need for overlapping materials.
3Object-affected harmful factors
If traditional overlapping siding board methods are used, then drainage and ventilation spacing is achieved, but installation time and labor costs increase
Solution Approach 1:
The standoff fastening device is pre-assembled with the engagement member and standoff portion in a predetermined configuration. This preliminary preparation allows for rapid installation by simply attaching the pre-configured device to the wall and then securing the siding board to the engagement member, eliminating the need for on-site measurement, cutting, and overlapping operations that traditionally require significant installation time.
4Strength
If attachment devices pierce lateral edge faces of deck boards, then secure attachment is achieved, but the deck boards require additional processing and the attachment devices become more complex
Solution Approach 1:
The attachment device is designed with different functional zones: a base portion for attaching to the joist and an engagement member that interfaces with specific grooves or features located on the lateral edge faces of the deck boards. By localizing the engagement feature to specific grooves rather than requiring general piercing of the board material, the device achieves secure attachment with reduced complexity. The grooves provide predetermined engagement points that simplify the attachment mechanism.
Data Source
AI summary
A deck system including hold-down devices for attaching deck boards to deck support structures and a siding system including attachment devices for mounting siding boards to wall structures. Hold-down devices are attached to deck support structures by horizontally-extending fasteners and attach the deck boards to the deck support structures without fasteners providing paths for water to pass through the deck boards into the support structures. Deck board engagement members of the hold-down device extend into slots in deck boards. Siding board attachment devices are mounted on upright surfaces of wall structures using horizontally extending fasteners. Siding boards are mounted with a standoff distance providing ventilation space behind and between siding boards.