STRATUM GUARD I AND II An Exterior Insulation and Finish System with Drainage DSC106C. Stratum Guard I and II System Installation Details

Transcription

1 STRATUM GUARD I AND II An Exterior Insulation and Finish System with Drainage DSC106C Stratum Guard I and II System Installation Details

2 Stratum Guard I and II DETAIL Table of Contents NOTE SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG BASIC SYSTEM CONFIGURATION STRATUM GUARD I BASIC SYSTEM CONFIGURATION STRATUM GUARD II STRATUM GUARD I BASIC COMPONENTS - EXTENDED 2D STRATUM GUARD II BASIC COMPONENTS - EXTENDED 2D HIGH IMPACT MESH APPLICATION STRATUM SYSTEM I AND II OUTSIDE CORNER STRATUM GUARD I NOTCH TROWEL AND ADHESIVE APPLICATION PATTERN STRATUM GUARD II RS BOARD PROFILE AND ADHESIVE PATTERN STRATUM GUARD - MASONRY VENEER INTERFACE SEALANT CONFIGURATION OPTIONS PROTECTION OF ROUGH OPENINGS SELF-FLASHED WINDOW HEAD WINDOW HEAD AND FLASHING - SECTION VIEW WINDOW WITH INTEGRAL FLASHING JAMB - PLAN VIEW WINDOW JAMB - PLAN VIEW WINDOW SILL WITH WINDOW FLANGE WINDOW SILL WITH FLASHING FLOOR-LINE EXPANSION JOINT - WOOD FRAME CONSTRUCTION ROOF WALL INTERSECTION WITH REQUIRED DIVERTER FLASHING INSULATION LAYOUT - OPENINGS DRYVIT MAKES NO REPRESENTATION REGARDING CONFORMITY OF ITS SUGGESTIONS TO APPLICABLE BUILDING CODES, ENGINEERING CRITERIA, SPECIFIC APPLICATIONS OR PROJECT LOCATIONS. ALL COMPONENTS INDICATED IN ILLUSTRATIONS, AS WELL AS OTHERS THAT MAY BE REQUIRED FOR THE INTEGRITY OF THE SYSTEM SHALL BE DESIGNED, DETAILED AND ENGINEERED BY REPRESENTATIVES OF THE ARCHITECT, OWNER OR CONTRACTOR TO BE IN CONFORMANCE WITH MODEL CODES, ARCHITECTURAL AND ENGINEERING REQUIREMENTS PERTAINING TO SPECIFIC BUILDING PROJECTS. DRYVIT MAKES NO WARRANTY, EXPRESSED OR IMPLIED, AS TO THE ARCHITECTURAL DESIGN, ENGINEERING, OR WORKMANSHIP OF PROJECTS UTILIZING DRYVIT SYSTEMS OR PRODUCTS. THE LIABILITIES OF DRYVIT SHALL BE AS STATED IN THE DRYVIT STANDARD WARRANTY. CONTACT DRYVIT FOR A FULL AND COMPLETE COPY OF THIS WARRANTY.

3 Stratum Guard I and II SG Plan View 12.7mm 63.5mm 27.5mm Stratum Guard I utilizes standard flat stock insulation board adhered to the prepared substrate using the Stratum Trowel with notches as shown. See SG for greater detail of notch trowel dimensions. Spacing between applied notches may be expected to range between 75 and 120mm. *Patent pending Stratum Trowel Notch * 6.35mm Substrate System Dryvit Backstop NT (WRB) Primus Adhesive applied using Stratum Notched trowel Dryvit Lamina Dryvit Insulation Board Corrugated Drainage Strip (adhered) Full Backwrapping Dryvit AquaFlash Transition Membrane Dryvit recommends the use of high impact Panzer mesh prior to standard mesh application on all facades, which may be exposed to abnormal stress, high traffic,or deliberate impact. These areas should be indicated on all contract drawings. System to be terminated 200mm (8 in) from grade. Basic System Configuration Stratum Guard I

4 Stratum Guard I and II SG Plan View 12.7mm Stratum Guard II utilizes geometrically defined EPS insulation board adhered to the prepared substrate using notched trowel crexating added drainage capacity. See SG for greater detail of SG II Insulation Board. 50mm 12.7mm Notched Trowel Substrate System Drainage Channel Dryvit Backstop NT (WRB) Primus Adhesive applied using specified notched trowel Dryvit Lamina Dryvit Insulation Board Corrugated Drainage Strip (adhered) Full Backwrapping Dryvit AquaFlash Transition Membrane or Flashing Tape Dryvit recommends the use of high impact Panzer mesh prior to standard mesh application on all facades, which may be exposed to abnormal stress, high traffic,or deliberate impact. These areas should be indicated on all contract drawings. System to be terminated 200mm (8 in) from grade. Basic System Configuration Stratum Guard II

5 Stratum Guard I and II SG Sheathing and Substrate Assembly EPS Insulation Stratum Trowel Notched Adhesive* The Stratum Guard I System may be applied to prepared substrates listed within DSC155C. EPS insulation at system terminations where the drainage strip is to be installed shall be pre-wrapped. The corrugated drainage strip may be adhered to either the substrate or the prewrapped termination using Dryvit AP Adhesive. *Patent pending design Corrugated Drainage Strip (Adhered) with dabs of AP Adhesive Prewrapped Backwrapping Dryvit Finish Base coat-mesh-base coat application Dryvit Starter mesh Stratum Guard I Basic Components - Extended 2d Dryvit recommends the use of high impact Panzer mesh prior to standard mesh application on all facades, which may be exposed to abnormal stress, high traffic,or deliberate impact. These areas should be indicated on all contract drawings.

6 Stratum Guard I and II SG Sheathing and substrate assembly EPS Insulation Notched trowel adhesive ribbons The Stratum Guard II System may be applied prepared substrates listed within DSC155C. Stratum Guard II utilizes a geometrically defined EPS insulation as shown in SG EPS insulation at system terminations where the drainage strip is to be installed shall be pre-wrapped. The corrugated drainage strip may be adhered to either the substrate or the prewrapped termination using Dryvit AP Adhesive. Corrugated Drainage Strip (Adhered) with dabs of AP Adhesive Prewrapped Backwrapping Dryvit Finish Base coat-mesh-base coat application Dryvit Starter mesh Stratum Guard II Basic Components - Extended 2d Dryvit recommends the use of high impact Panzer mesh prior to standard mesh application on all facades, which may be exposed to abnormal stress, high traffic,or deliberate impact. These areas should be indicated on all contract drawings.

7 Stratum Guard I and II SG For basic system representations, illustrations are considered to apply the both Stratum Systems. Dryvit's High Impact Panzer mesh and Panzer Corner are not to be overlapped. Approved substrate Dryvit Insulation Board Dryvit base coat Dryvit Panzer reinforcing mesh Dryvit Panzer corner mesh Dryvit base coat All insulation boards are to be installed at outside and inside corners following an interlocking pattern. Dryvit's Standard mesh is to be overlapped around outside corners in both directions 200 mm (8 in). Panzer mesh application should be allowed to set, prior to application of Standard Mesh. Dryvit Standard Mesh Dryvit base coat Dryvit finish 200 mm (8") min. High Impact Mesh Application Stratum System I and II Outside Corner

8 Stratum Guard I and II 177 mm o/c Adhesive at vertical termination SG Adhesive is applied as shown for field of wall application. Ribbons start mm from the board edge. Greater space than shown between notches is permissable, but shall result in no less than 6 ribbons per 1200mm lateral span and shall not bel closer to one another than 75mm. *At system termination points, an adhesive ribbon is applied to the board's backside edge, except for areas that are meant to allow drainage. Front and plan Views of adhesive distribution for field of wall application.* 9mm approx. Ribbon height may vary, but should be no less than 7mm. *Patent pending An application table or easel is recommended. Stratum Trowel* is available from Dryvit only and is of propriety design. Notch base = 63.5 mm Notch peak = 6.35 mm 63.5 mm 6.35 mm Space Between Notches 114 mm 27.5 mm Notch width at mid-depth, 6.37 mm from base mm Notch Depth = 12.7 mm 177 mm mm Stratum Guard I Notch Trowel and Adhesive Application Pattern

9 Stratum Guard I and II SG mm o/c The Stratum II RS Board is geometrically defined EPS with grooves spaced equidistantly every 305 mm on centre. The Stratum II RS Board is chamfered all sides at 45 degrees. It is not required that grooves vertically align from one board over the next during installation. Cut boards should have their edges chamfered to match factory profile. A standard rasp is effective tool in achieving this. Minimum insulation thickness 37mm (1.5 in). 25 mm 6.4 mm Groove Profile Plan View of Stratum II RS Board and sample adhesive distribution pattern All sides 12.7 mm 12.7 mm 50.0 mm Stratum Guard II RS Board Profile and Adhesive Pattern

10 Stratum Guard I and II Substrate Assembly 19 mm (3/4") Dryvit Backstop NT (WRB) Adhesive Drainage Ribbon EPS Channel (SG II Only) Dryvit Lamina (Base coat, mesh and Finish) Dryvit Insulation Board Corrugated Drainage Strip Full Backwrap Sealant and closed-cell backer rod SG This detail applies to both Stratum Guard Systems. Metal flashing is continuous and is installed over barrier for masonry veneer and installed by mason. Masonry veneer including weeps is by others and is to be installed as per code requirements. Backstop NT is applied over flashing and is to incorporate reinforcing mesh. Shall lap over flashing by minimum 50mm (2 in). Alternatively, flashing may be located at top of masonry veneer or stone ledge. All other conditions noted above still apply. Metal Flashing Insect Screen/Weep Masonry Veneer Code Approved Barrier (e.g. Building Paper) Stratum Guard - Masonry Veneer Interface

11 Stratum Guard I and II Angle Bead t Quarter round backer rod, by others (see options below). Dryvit reinforcing mesh embedded in Dryvit Base coat (backwrap required at system termination) t SG Perimeter joints such as around windows and doors can use angle or rectangular bead configuration. Expansion joints at floor-lines or other EIFS to EIFS junctures shall use rectangular bead configuration which shall be designed for minimum 4 times the anticipated movement, but no less than 19mm (3/4 in). All such joints shall employ a secondary moisture ingress protection strategy. w Closed-cell backer rod For Angle Beads: t = 6.3mm (1/4 in) min. w = specified by manufacturer of abutting material but no less than 3mm (1/8 in). Rectangular Bead Finish material is not to be applied at sealant bond line locations. Dryvit ColorPrime and sealant primer as specified by sealant manufacturer shall be applied to prepared and fully dry base-coat, prior to sealant application. Closed-cell backer rod and sealant t Primer on surfaces to receive sealant w For Rectangular Beads: w = 13mm (1//2 in) min. t = 6.5mm (1/4 in) min w:t = 2:1 (It should not exceed10 mm at centre of joint regardless of width) Sealant Configuration Options

12 Stratum Guard I and II 1 Substrate and sheathing assembly SG Apply Backstop NT Texture over sheathing and into rough opening. 2. Embed Detail Mesh into Backstop NT, stopping at sill. Embed diagonal mesh as shown. 63.5mm (2 1 2") min Once embedment coat is firm, apply Backstop NT over sheathing as per DSC Apply AquaFlash and AquaFlash mesh as per DSC196 - Sills only if Backstop NT is applied around the balance of rough opening. AquaFlash is applied using a brush or deep-nap roller. Embed AquaFlash Mesh into wet AquaFlash and allow to set. Apply second coat fully covering the AquaFlash Mesh. Alternatively, Dryvit's Flashing tape may be used and is applied around the entire rough opening, but not returning to the header. See Detail below. 63.5mm (2 1 2") min. 4th* (See Note) 3rd 2nd Apply 1st EIFS Tape Application Protection of Rough Openings * Water-resistive barrier to be applied over EIFS tape with a positive lap of 2" minimum.

13 Stratum Guard I and II SG Sheathing and substrate assembly, by others Adhesive Drainage Channel SG II Drainage Channel Dryvit Insulation Dryvit Lamina Protect rough opening prior to window installation. AquaFlash and AquaFlash Mesh applied over window head flashing and lapping onto Backstop NT application. Flashing may require light sanding prior to application and should always be wiped clean. Dryvit Lamina = Dryvit mesh reinforced base coat and finish. Weeps in sealant should be located every 608mm (2 ft) Backstop NT (WRB) - mesh required at rough opening Corrugated Drainage Strip Fully backwrapped Closed-cell Backer rod & Sealant 12mm ( 1 2") min. Continuous Air Seal by others (Sealant method shown) Weeps located at regular intervals AquaFlash and mesh applied over head flashing Integrated Window flashing Windows to meet all code requirements and applicable standards. Self-Flashed Window Head

14 Stratum Guard I and II SG Sheathing and substrate assembly, by others Adhesive Drainage Channel SG II Drainage Channel Dryvit Insulation Dryvit Lamina Protect rough opening prior to window installation. AquaFlash and AquaFlash Mesh applied over window head flashing and lapping onto Backstop NT application. Flashing may require light sanding prior to application and should always be wiped clean. Dryvit Lamina = Dryvit mesh reinforced base coat and finish. Weeps in sealant should be located every 608mm (2 ft) Backstop NT (WRB) - mesh required at rough opening Corrugated Drainage Strip Fully backwrapped AquaFlash and mesh applied over flashing 12mm ( 1 2") min. Weep Continuous air seal, by others Seal flashing Closed-cell Backer rod & Sealant Windows to meet all code requirements and applicable standards. Window Head and Flashing - Section View

15 Stratum Guard I and II SG Continuous Air Seal as per window requirements (sealant method shown) Sheathing and substrate assembly Backstop NT (WRB) - mesh required at rough opening System termination and sealant configuration as per all previous and relavent details, namely: Adhesive Application and Sealant Joint Configuration Backstop NT applied as per rough opening preparation drawings. Integral flashing may act as secondary barrier to water ingress, but does not replace a continuous air seal. Secondary seal may be as per SG Continuous ribbon of adhesive applied to board edge and over window flange Closed-cell backer rod and sealant Dryvit Lamina Finish to stop at sealant bond line Dryvit Insulation Board Windows to meet all code requirements and applicable standards. Window with Integral Flashing Jamb - Plan View

16 Stratum Guard I and II SG Continuous air seal (secondary seal) Sheathing and substrate assembly System termination and sealant configuration as per all previous and relavent details, namely: Adhesive Application and Sealant Joint Configuration Backstop NT applied as per rough opening preparation drawings. Air seal to be of a type approved by window manufacturer. Backstop NT Application Continuous ribbon of adhesive applied to board edge Closed-cell backer rod and sealant Dryvit Lamina Finish to stop at sealant bond line Backwrapping or prewrap required Dryvit Insulation Board Window Jamb - Plan View Windows to meet all code requirements and applicable standards.

17 Stratum Guard I and II SG AquaFlash and AquaFlash Mesh membrane Closed cell backer-rod and sealant Protection of rough opening as per SG Ensure wood sill is on positive slope (outward) install wedge if and where required. Window's nailing flange is to held off substratum by shim inserts (spacers) and allowing for drainage. Continuous air seal shall be set back behind plane of operable window or internal weeps. EIFS ledge to be sloped. 12.7mm ( 1 2") Positive slope wedge Continuous air seal Spacer (shim) behind flange Window attachment flange Full backwrap or prewrap as shown Adhesive ribbon SG II Channel Dryvit Insulation Dryvit lamina (finish not shown) Backstop NT (WRB) Window Sill with Window Flange

18 Stratum Guard I and II SG AquaFlash and AquaFlash Mesh membrane Closed cell backer-rod and sealant 12.7 mm ( 1 2") Protection of rough opening as per SG Ensure wood sill is on positive slope (outward) install wedge if and where required. Window's nailing flange may be removable if present and sill pan flashing is desired. Confirm with window supplier. Continuous air seal shall be set back behind plane of sill flashing and connect it with the window. Sill shall overlap onto face SG system by 63.5mm (2 1 2") minimum, or be sealed at underside of drip edge. Sealant may be weeped at 600mm (24") intervals, or for windows 915mm (3 ft.) wide or less, at sill/window corners. Positive slope wedge Continuous air seal 63.5 mm (2 1 2") Window sill pan flashing Full backwrap or prewrap as shown Adhesive ribbon SG II Channel Dryvit Insulation Dryvit lamina (finish not shown) Backstop NT (WRB) Windows shall meet all code and applicable standards. Window Sill with Flashing

19 Stratum Guard I and II SG Sheathing and substrate assembly Backstop NT Adhesive attachment and drainage SG II Drainage Channel Dryvit Insulation Board (EPS) Fully Backwrapped (mesh and basecoat) Corrugated Drainage Strip 19mm ( 3 4") Closed cell backer-rod and sealant Backstop NT - Positive lap over transition membrane Backer-rod only requires when AquaFlash is used Transition membrane positive lap over Backstop NT Note: If AquaFlash and AquaFlash Mesh are used, it may be applied top and bottom of transition before or after the Backstop NT application. Floor-Line Expansion Joint - Wood Frame Construction

20 Stratum Guard I and II Backstop NT Application AquaFlash and AquaFlash Mesh over step flashing Fully backwrapped Closed-cell backer-rod and sealant Notched Trowel adhesive ribbons EPS Insulation Dryvit Basecoat Dryvit mesh embedded in basecoat Dryvit Basecoat Dryvit Finish 50mm clearance from roof Step Flashing 106 SG Diverter flashing to extend 25mm (1 in) beyond face of system 2. Diverter flashing to be fabricated using corrosion resistant material, min. 24 gage. 3. AquaFlash and mesh to extend over flashing by 50mm (2 in). 4. Metal flashings are to extend minimum 50mm (2 in) behind EIFS installation regardless of clearance left between it and the roof, which shall also be a minimum 50mm. 5. Metal flashing shall be interwoven with shingles as per best roofing practice and shall extend outward by minimum accepted standards and so as to achieve an effective water shed without any exposure to roof sheathing. 6. Adhesive application not shown but is to be consistent with typical application technique and provide effective drainage. 7. System termination above roof and around diverter flashing is to be backwrapped. 102 Roof Wall Intersection with required Diverter Flashing

21 Stratum Guard I and II SG The Dryvit Insulation board is to be cut around openings as shown (pictured framed). 150mm (6") Board joints are not to align with corners of penetrations and should be offset by at least 150mm (6 in). Insulation should be placed so as to preserve minimum space around adjoining component as shown in SG Diagonal mesh and inside corner application are in addition to required back-wrapping (not shown) at system terminations. Both applications utilizing Dryvit starter mesh. Inside corner (using starter mesh) Diagonal Mesh Both are to be applied regardless of any other detailing which may be present such as reveals or mouldings. Please note that it is recommended that reveals not coincide with window, or door corners. 63.5mm (2 1 2") 230mm (9") 300mm (12") Insulation Layout - Openings