This SBS torch-on underlay with a sanded finish is intended for use as a base layer in built-up roofing systems on flat, pitched, or curved roofs. The membrane is polyester reinforced, providing stability beneath the final capsheet during roofing installations.
It is applied using the torch-on method, requiring less heat than many standard options, which supports efficient fitting on site. Roofing contractors can use this underlay for both new construction and refurbishment projects where reliable waterproofing and straightforward application are needed.
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