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Thin Veneer to Window Termination

Detail #01ST03WD001

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Updated Feb 29, 2012
Thin Veneer to Window Termination Mold & Moisture Control

John's Notes

"Custom Spec IconThe spec linked to this page has been customized for this wall detail. Sections 1.01, 2.02 and 3.02 contain only the correct detail type, product choices, and installation information.

Please use the Installation Animation link above to help clarify the installation information in the specs. Please call MTI with any questions. Also use the Window Drainage Plane Details on this drawing, #90NA03WD003 and #90NA03WD004. Please view the animation on this detail for instructions on installing the Window Drainage Plane."

Products Used

Gravity Cavity

GC1816, GC1832
What Gravity Cavity Does
  • Gravity Cavity™ rainscreen drainage plane can be used in most thin veneer wall details. It is appropriate behind a wide variety of veneers including stucco, thin brick, thin stone, full brick, full stone, and most cladded sidings.
  • easy to apply
  • extremely durable and will not crush or crack
  • with cladded sidings, it prevents waviness and nail drive-through
  • made from 96% post-industrial recycled high-impact polystyrene making it very durable and environmentally friendly
  • increases sustainability by eliminating entrapped moisture in the building envelope
  • saves energy by protecting insulation
How to Install Gravity Cavity
  • Gravity Cavity™ is applied over the construction paper/WRB.
  • Position the Gravity Cavity drainage plane with the spunbond polypropylene fabric facing the weather and wrapped under the bottom of the first course of Gravity CavityTM for a bug screen.
  • On the following courses, the fabric skirt should overlap the top of the course directly beneath it. Only the fabric overlaps the course below (the top of the lower corrugated polystyrene sheet abuts the bottom of the upper corrugated polystyrene sheet). Lightly tack/staple the Gravity Cavity as you roll it out. Metal lath and veneer will hold the Gravity Cavity in place.
  • View Product Video above to watch installation process in a Thin Veneer application.
Shipping Information & Product Specifications
Order Now! 1-800-879-3348
Product NumberGC 1816GC 1832
Square Feet per Roll100200
Roll Length (Feet)7676
Roll Width (Inches)15.7531.5
Channel Depth1/8" / 3.25mm1/8" / 3.25mm
Rolls per Box2N/A
Boxes per Pallet20N/A
Rolls per Pallet4032
Square Feet per Pallet40006400
Pallet Size48" x 40" x 77"50" x 50" x 77"

Gravity Cavity Specifications
Made of Recycleable Materials

0.024"(0.6mm) thick, high impact polystyrene sheets. They are formed with corrugations and a spunbond polypropylene fabric on one side with a 4" (102mm) skirt on one edge. Master Format: 04-05-23.19; 07-05-00 CSI: 04090, 04050, 07050, 07100, 07260.

Product Cutsheet: Download Product Cut Sheet | Download MSDS

Google SketchUp 3D Model: Download Product Model from 3D Warehouse


Sure Cavity

SC5016, SC5032
What Sure Cavity Does
  • The adhered fabric blocks mortar or stucco from filling the drainage channels and acts as a bug screen at terminations
  • It has superior appearance on thin veneers vs. furring strips due to less ridging, cracking, and waviness
  • It saves installation time (half the time of furring strips and backer board)
  • High impact polystyrene ensures durability, rigidity, and longevity
  • Vertical channels promote rapid drainage. Sure Cavity (and Gravity Cavity) are the only "True" channel drainage plane (drainage mat) products on the market today
  • Perforations allow cross-ventilation for better drying
  • Compartmentalized channels promote pressure equalization
  • It prevents bridging
  • Exceeds ASTM E-2273
  • UV Tested - Over 9 Weeks
How to Install Sure Cavity
Shipping Information & Product Specifications
Order Now! 1-800-879-3348
Product NumberSC 5016SC 5032
Square Feet per Roll66132
Roll Length (Feet)5050
Roll Width (Inches)15.7531.5
Channel Depth3/16" / 5mm3/16" / 5mm
Rolls per Box4N/A
Boxes per Pallet16N/A
Rolls per Pallet6432
Square Feet per Pallet42244224
Pallet Size50" x 50" x 88"48" x 48" x 77"

Sure Cavity Specifications
Made of Recycleable Materials

Green Building Pages 0.024" (0.6 mm) thick high impact polystyrene sheets. They are formed with corrugations and a spunbond polypropylene fabric on one side with a 4" (102 mm) skirt on one edge.
Master Format: 04-05-23.19, 07-05-00 CSI: 04090, 04050, 07050, 07100, 07260.

Product Cutsheet: Download Product Cut Sheet | Download Sure Cavity Testing Summary

Google SketchUp 3D Model: Download Product Model from 3D Warehouse


10mm Sure Cavity

SCMM2516, SCMM2532
What 10mm Sure Cavity Does
  • The adhered fabric blocks mortar or stucco from filling the drainage channels and acts as a bug screen at terminations
  • It has superior appearance on thin veneers vs. furring strips due to less ridging, cracking, and waviness
  • It saves installation time (half the time of furring strips and backer board)
  • High impact polystyrene ensures durability, rigidity, and longevity
  • Vertical channels promote rapid drainage
  • Perforations allow cross-ventilation for better drying
  • Compartmentalized channels promote pressure equalization
  • It prevents bridging
  • Exceeds ASTM E-2273
  • UV Tested - Over 9 Weeks
How to Install 10mm Sure Cavity
Shipping Information & Product Specifications
Order Now! 1-800-879-3348
Product Number SCMM 2516 SCMM 2532
Square Feet per Roll33 66
Roll Length (Feet) 25 25
Roll Width (Inches)15.75 31.5
Channel Depth3/8" / 10mm 3/8" / 10mm
Rolls per Box4 N/A
Boxes per Pallet 16 N/A
Rolls per Pallet64 32
Square Feet per2112 2112
Pallet Size50" x 50" x 88" 48" x 48" x 77"

10mm Sure Cavity Specifications
Made of Recycleable Materials

(SCMM 2516, SCMM 2532) are 0.024" (0.6 mm) thick high impact polystyrene sheets. They are formed with corrugations and a spunbond polypropylene fabric on one side with a 4" (102 mm) skirt on one edge.
Master Format: 04-05-30, 04-05-23.19, CSI: 04090, 04050, 07050, 07100, 07260.

Product Cutsheet: Download Product Cut Sheet

Google SketchUp 3D Model: Download Product Model from 3D Warehouse