Learn about Tapered Insulation

Carlisle's tapered insulation helps promote positive rooftop drainage while also providing excellent insulating value. By directing water to drains and scuppers, Carlisles tapered Polyiso minimizes the negative effects of ponding water and helps extend the service life of a roof. Carlisles tapered design team can help properly design a tapered insulation system 2-way or 4-way for virtually any project. Carlisle's tapered product line includes the Sierra Series of prefabricated Polyiso insulations that are delivered to the jobsite pre-cut, pre-assembled and ready to install, helping to cut rooftop waste and disposal fees by nearly 50%. Extended panel profiles are also available, which can help cut down on labor and adhesive or fasteners costs associated with installing a tapered insulation system.

Tapered Insulation Documents

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Polyiso Pre-Cut Hips & Valleys Sell Sheet

Ready to install, pre-cut hips and valleys designed specifically for four-way tapered polyiso installations.

InsulBase Tapered Polyiso

InsulBase Tapered is a sloped rigid roof insulation panel composed of a closed cell polyisocyanurate foam core bonded during the manufacturing process to fiber reinforced paper-facers.

StormBase Polyiso

StormBase, formerly HP-NB, is a rigid-roof insulation composite panel composed of a closed-cell polyisocyanurate foam core bonded during the manufacturing process directly to 7⁄16" oriented strand board (OSB).

Polyiso Target Sump Sell Sheet

Double-sided sell sheet shows you how to save money and reduce waste with the prefabricated Hinged Target Sump

InsulFoam Tapered Insulation Product Data Sheet

Carlisle’s InsulFoam Tapered EPS is an engineered insulation made of closed-cell, lightweight expanded polystyrene (EPS). This product is available in a wide range of panel sizes and densities that meet or exceed the requirements of ASTM C578, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation. InsulFoam Tapered offers a long-term, stable R-value and has excellent dimensional stability, compressive strength, and water resistance properties.

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