Technical Data Bulletin

Mortairvent Masonry Rainscreen 04 05 23.19 - 5
g. Fire Rating, ASTM E 84: Class A.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine areas to receive masonry rainscreen.
B. Notify Architect of conditions that would adversely affect installation or subsequent use.
C. Do not begin surface preparation or installation until unacceptable conditions are corrected.
3.2 SURFACE PREPARATION
A. Prepare surfaces adjacent to masonry rainscreen in accordance with manufacturer’s
instructions.
3.3 INSTALLATION
A. Install masonry rainscreen in accordance with manufacturer’s instructions at locations indicated
on the Drawings.
B. Install masonry rainscreen after windows and doors have been installed and flashed.
C. Install masonry rainscreen with blue matrix side against weather-resistant barrier and with
mortar-deflection fabric facing outward.
D. Butt blue polypropylene matrix pieces together, only overlapping 4-inch filter fabric shingle style.
E. Install masonry rainscreen to perform the following:
1. Create pressure-equalized airspace between structural envelope and exterior masonry
cladding.
2. Block mortar droppings.
3. Permit moisture drainage.
4. Permit convective airflow and drying.
3.4 PROTECTION
A. Protect installed masonry rainscreen from damage during construction.
END OF SECTION