138T_SRS_7-2015.pdf
PDF 4 MB Posted
- Attached to
- Goshen Fire Station Roof Replacement
- Solicitation number
- IFB# 24-008
- Issued by
- New London County, Connecticut
About this file
The document is a product specification sheet for the TremLock T-138 Shingle Recover System, produced by Tremco Roofing & Building Maintenance, describing an innovative roofing solution for building owners. The system offers a unique approach to roof replacement by installing a new metal standing seam roof directly over existing shingles without tear-off, utilizing patent-pending clips that create a 3/4" airspace between the existing and new roof. Key features include ease of installation, no requirement for underlayment, individual panel replaceability, and improved weathertightness.
The system provides significant energy efficiency benefits, with Oak Ridge National Laboratories documenting that the free-flowing airspace between metal roof and shingles can reduce heat transfer by 30% to 45%. The TremLock T-138 clip eliminates the need for traditional framing methods, reducing material and labor expenses. The product is suitable for both retrofit and new construction applications, and allows for walkable panels without causing damage to the underlying shingle surface. The system includes vented eave and ridge components to enable uninterrupted airflow between roof layers, making it a comprehensive roofing solution for building owners seeking an economical and long-term roof recovery method.
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Text version
The TremLock T-138 Shingle
Recover System offers:
+ Ease of installation
+ No tear off/disposal of existing roof
+ No underlayment required
+ Decades long service life
+ Reduced utility expense
= Quicker Payback he TremLock T-138 Shingle Recover System provides a long-term and economical solution for building owners.
TremLock T-138‘s symmetrical standing seam panel offers many advantages, including:
ease of installation, individual panel replaceability and improved weathertightness. This innovative system from Tremco Roofing installs directly over existing shingles without tear off or underlayment. Patent-pending clips create an energy-saving airspace between the two roofs.
TremLock T-138 Shingle Recover System
TremLock T-138 T
The patent pending TremLock T-138 Shingle Recover Clip is installed with two fasteners into the existing substrate and allows for a 3/4” airspace between existing and new roofs.
TremLock T-138 Shingle Recover System www.tremcoroof ing.com 3725 Green Road • Beachwood, Ohio• 44122 • 1.800.562.2728
50 Beth Nealson Dr ive • Toronto, Ontar io • M4H 1M6 • 1.800.668.9879
TremLock T-138 TremLock T-138 No Tear-Off Required As long as the deck is serviceable, there is no need for the added expense and hassle of removing and disposing of the existing shingles (please check with your local code authority to determine if one or two layers of shingles are allowable for recover). Because the TremLock T-138 clip creates airspace between the existing and new roof, the added expense of applying an underlayment is eliminated.
TremLock T-138 Shingle Recover Clip Clip alignment is the key to a proper installation of a standing seam recover over shingles. The patent-pending
TremLock T-138 clip is long enough to sit on two shingles simultaneously. This aligns the clip into the plane of the roof. The clip also holds the panel up 3/4” above the existing roof; even with this gap, the panels are walkable without causing damage. The system also features vented eave and ridge components, which, when combined with the TremLock T-138 clip, enables uninterrupted airflow between the existing and new roof.
Above Sheathing Ventilation (ASV) Utilizing an air space to help reduce heat transfer is not new. Oak Ridge National Laboratories has tested and documented that a free-flowing air space between a metal roof and shingles can reduce heat transfer by 30% to 45%.
Up until now, the common method to provide ASV was to install a series of vertical and horizontal framing members which greatly increased material and labor expense.
The TremLock T-138 Shingle Recover clip eliminates all framing and allows unencumbered airflow in all directions.
Although this recover system was designed for retrofit applications, it is equally suitable for new construction.
Corrugated sheeting installed at the ridge allows for continuous air flow between the existing and new roof while providing support for the panel and closure.
Clip seated on two shingles with fasteners through lower ends of the shingles.
File details come from the government source that posted it. Updated .