US 11,913,233 B2
Adhering single ply membrane to a roof deck with a hot melt or pressure sensitive adhesive applied to a release liner or transfer film
Jordan Kortmeyer, Parker, CO (US); and Jonas Houchin, Centennial, CO (US)
Assigned to Johns Manville, Denver, CO (US)
Filed by JOHNS MANVILLE, Denver, CO (US)
Filed on Jan. 19, 2022, as Appl. No. 17/578,667.
Prior Publication US 2023/0228093 A1, Jul. 20, 2023
Int. Cl. E04D 15/06 (2006.01); E04D 1/34 (2006.01); E04D 5/14 (2006.01)
CPC E04D 15/06 (2013.01) [E04D 1/34 (2013.01); E04D 5/148 (2013.01); E04D 2001/3435 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for applying a roofing membrane, comprising:
unrolling an adhesive material onto a roofing board to adhere a bottom surface of the adhesive material to the roofing board, wherein the adhesive material comprises between about 50% and 90% by weight of a 100% cured acrylic high molecular weight hot melt adhesive, between 0% to 20% by weight of a rosin or terpene resin tackifier, and between 0% to 15% by weight of curatives;
removing a release liner from the adhesive material to expose a top surface of the adhesive material; and
applying a roofing membrane to the exposed top surface of the adhesive material to adhere the roofing membrane to the roofing board.