Kurt Moehlmann, our Chicagoland rep, recently asked some good questions:
“What is preferred: all pre-compressed foam joints for roof and walls or RoofJoint with foam for verticals? What are the criteria for specifying one over the other?”
The answer to the first question is, “both.”
The best roof design–where the desire in today’s world of advancing building science is for a totally sealed, best insulated building envelope–is to install the RoofJoint over Horizontal Colorseal in the roof and Seismic Colorseal in the walls and connect the walls to the RoofJoint with the Seismic Colorseal RoofJoint Closures.
For both cavity wall and solid wall construction, the best roof expansion joint designs look like this.
Read more here.