Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 1
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Robert Jonkman, P.Eng.Director, Codes and Standards, Structural Engineering
April 2018
Effective R value calculator for walls
Spring Training Camp, Hidden Valley ResortApril 2018
Building Science Spring Training
April 2018
Effectiver calculator
Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 2
Online catalogue with a three-page summary of over 10,000 wall configurations.
Calculates Reff.
Includes Durability assessment.
April 2018 Building Science Spring Training
Report
Wall components and individual R values
Assembly R values
Durability rating
Summary and notesApril 2018 Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 3
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Studs 2x4, 1-2x6, 2-2x6, 2x8 studs at 8”, 12”, 16”, 19.2”, 24” o.cand CLT
Sheathing: 3/8 and 7/16 OSB; 3/8 and ½” plywood.
Vapour retarder options: 6 mil poly, smart, and vapourretarder paint
Cavity insulation: none, batts (R14-28) and spray foam (½, ¾, and 2 lb).
Exterior insulation with wood sheathing: foil faced polyiso, EPS, XPS, Mineral wool (up to 7.5” thick).Weather barrier: building paper, spun bonded polyolefin and liquid applied.
Cladding: Brick, vinyl, EIFS, fibre cement, wood, steel
Gypsum boardAvailable components
Note: not all components are available in all assembliesApril 2018 Building Science Spring Training
April 2018
Select components… refine with key components
Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 4
Key component: Wood sheathing
April 2018 Building Science Spring Training
April 2018 Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 5
This is the 2nd storeyof the Brampton Ontario house after 90kph wind
April 2018 Building Science Spring Training
April 2018 Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 6
Make sure enough wood sheathing
http://www.cbc.ca/news/canada/toronto/house‐blown‐over‐1.4006173April 2018 Building Science Spring Training
http://www.cbc.ca/news/canada/toronto/house‐blown‐over‐1.4006173April 2018
Make sure enough wood sheathing
Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 7
April 2018 Building Science Spring Training
April 2018 Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 8
April 2018 Building Science Spring Training
April 2018 Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 9
April 2018 Building Science Spring Training
http://
effectiver.ca
/calculator/wall.p
hp?id=
1436
Durability rating
April 2018
Durability check
Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 10
Durability check Durability rating based on computer modeling, field experience, and physics
April 2018 (brick wall, 1” foil-faced polyiso, poly v.b.)
Required Outboard Inboard ratio
Building Science Spring Training
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April 2018
Just implemented … 2018
CLT wall Midrise‐appropriatewall
“Net‐zeroready” wall
Building Science Spring Training
Building Science Spring Training April 2018
CWC Robert Jonkman, P.Eng. 11
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April 2018
Project team:Top experts in building scienceProject Initiator Robert Jonkman Canadian Wood Council
Project Lead and Publishing Expert
Magdalena Krawczyk
buildABILITYCorporation
Builder Lead and Field Expert
Andy Oding Building Knowledge Canada
Technical Lead and Building Science Expert
Chris Timusk Timusk Consulting, George Brown College
Technical Project Advisor Michael Lio buildABILITY Corporation
Technical Project Advisor Gord Cooke Building Knowledge Canada
WUFI Expert Panelist Graham Finch RDH Consulting
WUFI Expert Panelist Chris Schumacher RDH ConsultingBuilding Science Spring Training
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April 2018
Steering Committee:Dedictated industry and end usersAlejandra Nieto Roxul Inc.BJ Yeh APA – The Engineered Wood AssociationBob Wilson R.S. Wilson Building Inspection & Consulting Inc.Christopher McLellan Natural Resources CanadaCory McCambridge APA – The Engineered Wood AssociationDave Henderson Brookfield HomesGillian Haley ERA Architects Inc.John Hockman JLHockman Consulting Inc.Jieying Wang FPInnovationsPaul Smith Mattamy Homes CorporationPeter Birkbeck Icynene Inc.Peter Culyer EIFS Council of CanadaRichard Kadulski Solplan ReviewRobert Marshall CertainTeed SAINT‐GOBAINTodd Rogers City of St. CatharinesSalvatore Ciarlo Owens Corning CanadaSilvio Plescia Canada Mortgage and Housing CorporationBuilding Science Spring Training