A method of installing a roof system, the method comprising: (i) providing a first membrane composite including a) a polymeric planar body having 1) a first planar surface and 2) a second planar surface, b) a UV-cured pressure-sensitive adhesive layer disposed on the second planar surface, c) a release member removably secured to the UV-cured pressure-sensitive adhesive layer opposite the polymeric planar body, and d) a primer layer disposed along a lap area on the first planar surface, where the primer layer includes a cured residue of a silyl-terminated polymer; (ii) adhesively securing the first membrane composite to a roof surface through the UV-cured pressure-sensitive adhesive layer; (iii) providing a second membrane composite including a) a polymeric planar body having 1) a first planar surface and 2) a second planar surface, b) a UV-cured pressure-sensitive adhesive layer disposed on the second planar surface, c) a release member removably secured to the UV-cured pressure-sensitive adhesive layer opposite the planar body, and d) optionally a primer layer disposed along a lap area on the first planar surface; (iv) adhesively securing the second membrane composite to the roof surface through the UV-cured pressure-sensitive adhesive layer, where the second membrane composite is positioned adjacent to and partially overlapping the lap area of the first membrane composite; and (v) adhesively securing the second membrane composite to the first planar surface of the first membrane composite along the primer layer through the UV-cured pressure-sensitive adhesive layer disposed on the second membrane composite. (i) providing a first membrane composite including a) a polymeric planar body having 1) a first planar surface and 2) a second planar surface, b) a UV-cured pressure-sensitive adhesive layer disposed on the second planar surface, c) a release member removably secured to the UV-cured pressure-sensitive adhesive layer opposite the polymeric planar body, and d) a primer layer disposed along a lap area on the first planar surface, where the primer layer includes a cured residue of a silyl-terminated polymer; a) a polymeric planar body having 1) a first planar surface and 2) a second planar surface, 1) a first planar surface and 2) a second planar surface, b) a UV-cured pressure-sensitive adhesive layer disposed on the second planar surface, c) a release member removably secured to the UV-cured pressure-sensitive adhesive layer opposite the polymeric planar body, and d) a primer layer disposed along a lap area on the first planar surface, where the primer layer includes a cured residue of a silyl-terminated polymer; (ii) adhesively securing the first membrane composite to a roof surface through the UV-cured pressure-sensitive adhesive layer; (iii) providing a second membrane composite including a) a polymeric planar body having 1) a first planar surface and 2) a second planar surface, b) a UV-cured pressure-sensitive adhesive layer disposed on the second planar surface, c) a release member removably secured to the UV-cured pressure-sensitive adhesive layer opposite the planar body, and d) optionally a primer layer disposed along a lap area on the first planar surface; a) a polymeric planar body having 1) a first planar surface and 2) a second planar surface, 1) a first planar surface and 2) a second planar surface, b) a UV-cured pressure-sensitive adhesive layer disposed on the second planar surface, c) a release member removably secured to the UV-cured pressure-sensitive adhesive layer opposite the planar body, and d) optionally a primer layer disposed along a lap area on the first planar surface; (iv) adhesively securing the second membrane composite to the roof surface through the UV-cured pressure-sensitive adhesive layer, where the second membrane composite is positioned adjacent to and partially overlapping the lap area of the first membrane composite; and (v) adhesively securing the second membrane composite to the first planar surface of the first membrane composite along the primer layer through the UV-cured pressure-sensitive adhesive layer disposed on the second membrane composite.