Stucco Lite Rainscreen
Non-Combustible, Non-Insulated Rainscreen Cladding System
Description

Stucco Lite Rainscreen combines the simplicity of direct applied cladding system with drainage and rainscreen features. Succo lite rainscreen consists of a nail sealable water resistive barrier over the substrate furring to create a drainage cavity and a cement board sheathing coated with a flexible basecoat reinforced with fiberglass mesh throughout to create a code compliant rainscreen drainage cladding system. The finish texture can be selected from any of the available Durex®  Architectural Coatings. The cladding system is rated non-combustible cladding meeting the building code requirements for non-combustible construction.

Advantages
  • Improved traditional cladding system
  • Positive drainage - rainscreen
  • Non-combustible
  • High impact resistance
  • Cost effective cladding system if no continuous insulation is required
Uses

Stucco Lite Rainscreen is suitable for use over a wide range of structurally sound substrates.  It is best suited for substrates designed with a deflection ratio lower than L/360 where spatial separation issues require non combustible cladding, typical of residential dwellings with side setbacks less than 600 mm from the property line.

Performance Properties
Building Code Conformance

Classification

Category 1

CAN/ULC S114

Non-Combustible stucco cladding

Part 3

  • Article 3.1.5.2
  • Article 3.2.3.7 & Table 3.2.3.7
  • Allowable Minor Combustible Components
  • 0-10% Unprotected Openings

Part 5

  • Section 5.6.1
  • Sub-Section 5.6.2.1
  • Protection from Precipitation
  • Sealing and Drainage

Part 9

  • Clause 9.27.1.1(5)
  • Section 9.27.2
  • Article 9.27.3.1
  • Article 9.10.14.5 & Table 9.10.14.5 (A)
  • Article 9.10.15.5
  • General (Cladding, Application)
  • Required Protection from Precipitation
  • Elements of Second Plane of Protection
  • 0-10% Unprotected Openings
  • <0.6 m Limiting Distance
SYSTEM SHEATHING:

- Cementitious backer Board

- Glass Mat Gypsum Sheathing

ASTM C1325

ASTM C1177

12.7 mm (1/2”) min.

12.7 mm (1/2”) min.

WATER RESISTIVE BARRIER:

Air / Vapour Barriers

(consult with a Durabond Representative)

Air Barriers

  Durex Flexcrete

  Durex AirStop

  Durex Dur-A-Mastic 100

  Durex Flexseal VP

 

ASTM E96  Water Vapour Transmission

(Refer to product specific Technical

Data Sheet for more detailed data)

Method A                              Method B

n/a                                         n/a    

  

400 ng/Pa.s.m2                              972 ng/Pa.s.m2

185 ng/Pa.s.m2                              505 ng/Pa.s.m2

248 ng/Pa.s.m2                              645 ng/Pa.s.m2

629 ng/Pa.s.m2                              972 ng/Pa.s.m2

REINFORCEMENT:

Impant Resistance

Durex Fiberglass Mesh

(Note: Impact resistance level is directly related

to the weight and  layers of Fiberglass mesh

used in the lamina)

.

ASTM E2486 – Impact Resistance

(Refer to Table 1.5.9 of the Stucco Lite

RAINSCREEN Specifications for detailed

selection chart for guidance on level of

impact resistance required)

                        Retention            Retention         

                        Physical               Performance

Standard            3 N.m                   10 N.m            PASS

Intermediate      8  N.m                   15 N.m            PASS

High                  13 N.m                   20 N.m           PASS

Ultra High          20 N.m                   30 N.m          PASS

Extreme           25 N.m                   40 N.m            PASS

BASE COAT:

- Durex Flexcrete or

- Durex Monobase

- Durex Uniplast / Acrybond “S”

 

CAN/ULC S114

CAN/ULC S114

 

Rated noncombustible

Rated noncombustible

FASTENERS:

-Durex “M” fasteners (masonry)

-Durex “W” fasteners (wood)

-Durex “S” fasteners (steel)

ASTM B-117 – salt spray

DIN 50012 - SO2 exposure

FM4470

DIN 50018 SFW

750 hrs. or better

25+ cycles

30 cycles

Pass

FINISHES:

Durex Architectural  Coatings

   Classic Series

   Premium Series

   Artisan Series

   Kolor Gard Series

   Elastomeric (FX) Series

 

CAN/ULC S716.1   &

CCMC Report #  13103-R

(Refer to product specific Technical Data

Sheet and CCMC Evaluation Report

#13103-R for more detailed data)

 

Durex Architectural Coatings

Meet and exceed all requirements

PERFORMANCE:

Water Vapour  Transmission

ASTM E96 - Flexcrete

400 ng/Pa.s.m2 (7.0 perms) method A

972 ng/Pa.s.m2 (17.0 perms) method B

Water absorption

ASTM D570

4.85%   (Flexcrete)

Coefficient of Water Absorption

CCMC 5.5.1

0.0007 kg/(m2.s1/2)

System Layer Optional Products Per Layer Notes
Water Resistive Barriers (WRB)
 
 
Bracing
Cement Board
Reinforcing Mesh
 
 
 
 
 
Base Coat
 
 
Primers
 
Finishes - Classic Series
 
 
 
 
 
 
 
 
 
Finishes - Premium Series
 
 
 
 
 
 
Finishes - Artisan Series
 
 
 
 
 
 
 
 
Finishes - Flexible Series
 
 
 
 
 
 
Finishes - Kolor Gard
 
 
 
 
 
 
 
Galvanized Trim