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| PART 1 - |
GENERAL |
| 1.1 - |
Intent
| 1.1.1 |
EIFS This section includes requirements for polymer modified
exterior insulated finish system (PM EIFS) and polymer
based exterior insulation and finish system (PB EIFS).
Both incorporate a cavity layer at the outside face
of the assembly. (See Details) |
| 1.1.2 |
The RainScreen (both PM and PB EIFS) consists of a composite
wall exterior insulation and finish system consisting
of rigid insulation, cavity form, fasteners, reinforcing
mesh, galvanized metal grounds and trims, thick cementitious
base coat, and finish coat. |
| 1.1.3 |
Conventional stucco (See Details) |
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| PART 2 - |
PRODUCTS |
| 2.1 - |
Materials |
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| 2.1.1 |
RainScreen Cavity Board: Expanded polystyrene (EPS) conforming
to ULC S701, Type 1, RSI 0.73/25 mm (R 3.75/1”),
50 mm (2”) thickness x 610 mm (24”) x 1220
mm (48”), O/C and wire cut to form a network
of nubs sloped for drainage: |
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| 2.1.1.1 - |
Acceptable material: Stucco RainScreen Panel™ as manufactured
by Korax Technologies Inc.
Telephone: (780) 455-5116
Fax (780) 452-5969 |
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| PART 3 - |
EXECUTION |
| 3.1 - |
Installation |
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| 3.1.1 |
Insulation board: |
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| 3.1.1.1 - |
Vertical surfaces: Begin at base from firm, permanent
or temporary support. |
| 3.1.1.2 - |
Apply horizontally in a running bond. |
| 3.1.1.3 - |
Pre-cut insulation board to fit openings, projections.
Insulation board must be a single piece around
corners of openings. Stagger vertical joints
and corners. Stagger insulation and sheathing
board joints. Do not align insulation joints
with corners of openings. |
| 3.1.1.4 - |
Apply insulation board with mechanical fasteners to
suit substrate; achieve preliminary attachment
by applying two mechanical fasteners through
insulation board and into the framing or masonry
305 mm (12”) up from bottom of insulation
board and 406 mm (16”) from each end. |
| 3.1.1.5 - |
Apply Stucco RainScreen Panel™ System horizontally
and offset from primary insulation board joints;
mechanically fastened through at nub locations
using final fastener attachment pattern and spacing
as recommended by EIFS manufacturer for type
of substrate Install Stucco RainScreen Panel™ System
so that the row of Registration holes are positioned
on the top face. |
| 3.1.1.6 - |
DO NOT remove screws that miss the stud,
place second screw in corrected location and
align remainder of screws with correct location. |
| 3.1.1.7 - |
Abut all joints tightly and ensure overall flush level
surface. Cut slivers of insulation board and
fit into gaps between insulation boards. |
| 3.1.1.8 - |
Apply glass fibre mesh over insulation board with overlap
at edges; wrap sides and tops in accordance with
EIFS manufacturer’s standard installation
instructions; secure through insulation in accordance
with EIFS manufacturer’s written instructions. |
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SPEC NOTE: PB EIFS relates to what is commonly called “thin
coat” stucco systems and PM EIFS relates to “thick
coat” stucco systems
For more detailed information about the Stucco RainScreen
Panel™ System please download
our installation manual or contact us directly
at 780-455-5116.
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