Questions and Answers for GAF Liberty 3 ft. x 34 ft. (100 sq. ft.) SBS Self-Adhering Cap Sheet Roll for Low Slope Roofing in Shakewood

A:  Thank you for your question. Liberty is a self-adhering roofing system. For 1-Ply installation we recommend installing the Liberty Cap Sheet on primed approved substrate. If you are looking for the 2-Ply application with the Liberty Base/Ply Sheet, please order online or contact your local Pro Desk and see if they would be able to special order this product for you. We would then recommend installing the Liberty Base sheet on the primed appropriate substrate and the Liberty Cap Sheet on top of the Base Sheet. For additional information, please call our technical services team at 877-GAF-ROOF.

A:  "Thank you for your question. It is not recommended to install Liberty to an existing roof membrane. For 1-Ply installation we recommend installing the Liberty Cap Sheet on primed approved substrate. If you are looking for the 2-Ply application with the iberty Base/Ply Sheet, please contact your local Pro Desk and see if they would be able to special order this product for you or order online. We would then recommend installing the Liberty Base sheet on the primed appropriate substrate and the Liberty Cap Sheet on top of the Base Sheet. For additional information, please call our technical services team at 877-GAF-ROOF. "

A:  "Thank you for your question. Depending on which ply system you are using. For 1-Ply installation we recommend installing the Liberty Cap Sheet on primed approved substrate. It is not recommended to install Liberty to an existing roof membrane. If you are looking for the 2-Ply application with the liberty Base/Ply Sheet, please contact your local Pro Desk and see if they would be able to special order this product for you or order online. We would then recommend installing the Liberty Base sheet on the primed appropriate substrate and the Liberty Cap Sheet on top of the Base Sheet. For additional information, please call our technical services team at 877-GAF-ROOF. "

A:  The Liberty Cap sheet cannot be installed over OSB Board it has to be installed over a plywood deck that has been primed with an ASTM D41 type asphalt primer.

A:  Liberty can be applied over a variety of substrates. For this specific application, please contact our technical team at 877-GAF-ROOF. Thank you.

A:  Thank you for your question. Based on your dimensions, 15 x 35' would be 533 square feet. Each roll is coverage for 1 square (100 sq ft). Would need at least 6 rolls of Liberty Cap Sheet. Recommend adding a 10-15% waste factor. For further questions, please contact our technical team at 877-GAF-ROOF.

A:  Liberty has been developed to withstand the very severe conditions found on the roof. Liberty is is not impact resistant. For more information, please call our tech services team at 877-GAF-ROOF. Thank you.

A:  Hello, the Liberty Cap Sheet is ideal for primed low-slope residential roof areas between 1/4:12 to 3:12 pitch. For additional information, please call our technical services team at 877-GAF-ROOF. Thank you.

A:  Each roll is coverage for 1square (100 sq ft). Recommend adding a 10-15% waste factor plus any rolls needed for flashing walls. Review product data sheet.

A:  Thank you for your question, if the GAF Matrix 307 is unavailable, the recommended primer is an approved ASTM D41 Asphalt Primer. For ASTM D41 product availability, please reach out to your local Home Depot Pro Desk.