Pre-applied Mesh Tape for Sheet Panel Seam Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing methods for sealing sheet panel seams with fluid-applied Weather Resistant Barriers (WRBs) are time-consuming, prone to installation variances such as misalignment, wrinkles, and poor adhesion, which can compromise the integrity of the sealing system, especially due to panel expansion and contraction over time.
Innovation Solution
A mesh tape is applied to the edges of sheet panels during manufacturing, overlapping the edges of adjacent panels for seamless integration, ensuring a robust and reliable seal by being sandwiched between the panel and the WRB coating, which is applied before installation, thus eliminating on-site application issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fiberglass tape is applied on-site with fluid-applied WRB, then panel seams can be sealed, but the process is time-consuming and prone to installation variances
Solution Approach 1:
The mesh tape is pre-applied to the panels at the factory before installation, eliminating the time-consuming on-site application process. The tape is positioned and secured in a controlled manufacturing environment, ensuring consistent placement without requiring time-consuming field installation procedures.
Solution Approach 2:
The invention combines the mesh tape application with the panel manufacturing process itself, merging two separate operations (panel production and seam preparation) into one integrated process. This consolidation eliminates the need for separate on-site tape application and reduces overall installation time.
2Reliability
If fiberglass tape is applied on-site, then panel seams are sealed, but installation variances such as misalignment and wrinkles compromise integrity
Solution Approach 1:
The mesh tape is pre-positioned and pre-aligned at the factory under controlled conditions, ensuring precise placement before the panels are installed. This preliminary alignment eliminates the misalignment and wrinkling issues that occur when tape is applied on-site after panel installation.
Solution Approach 2:
The panel manufacturing process itself provides the alignment and positioning service that would otherwise require separate on-site installation steps. The factory application process includes built-in mechanisms for ensuring proper tape positioning, eliminating the need for manual alignment during field installation.
3Reliability
If fiberglass tape with adhesive is applied on-site, then seams are joined, but adhesion is compromised by contamination and installation errors
Solution Approach 1:
The adhesive bonding of the mesh tape to the panel is performed at the factory in a controlled environment, ensuring optimal adhesion conditions. This preliminary bonding eliminates the adhesion problems caused by job site contamination and improper application, while the factory setting provides easier manufacturing conditions for achieving consistent bond quality.
4Reliability
If sealant is applied over fiberglass tape on-site, then a monolithic barrier is created, but large volumes of sealant are required and installation is time-consuming
Solution Approach 1:
The mesh tape is pre-applied and pre-bonded at the factory, creating a prepared substrate that reduces the amount of sealant needed during final assembly. The pre-positioned tape provides immediate reinforcement and sealing capability, eliminating the need for large volumes of sealant to compensate for improper tape installation.
Data Source
AI summary
A mesh tape bonded to the outer edge or outward side of sheet panel products. The mesh tape is applied so that the tape overhangs the edge of the panel for the purpose of adjoining to the adjacent panel following installation of the panels at a job site. The mesh may be applied to two edges of the sheet panel, one along the panel width and another along the panel length. When installed, the panel edge with the mesh tape applied is overlapped with the edge of an adjacent panel that does not have tape applied, both along the length and width, thus allowing for a faster, more robust and reliable installation of panel sheathing.