This Weeks Discoveries. 05 01 2018

This Weeks Discoveries. 5/1/2018
Wenatchee Home Inspections

Another addition in a week of discovery.

As a Home Inspector, Structural Pest Inspector and Home Inspection Licensing Instructor I try to keep up with new products, manufacturer or trade information, code information or just interesting content that may help those who are in the profession or looking to further educate themselves.  The material may be articles, documents, video link,vendor sites, technical materials or even an interesting code questions.

Below is a list of some interesting items found in the last week.

Construction/Building Information-






Standard for Performance-Rated Structural Insulated Panels in Wall Applications

https://www.apawood.org/publication-search?q=PRS+610.1-2018&tid=1

Here is some good information on sizing of the gutter system.

https://www.thisoldhouse.com/ideas/how-to-size-gutters-and-downspouts

Building Science Information-

Common Flashing Details Building Science Corporation

https://buildingscience.com/documents/information-sheets/common-flashing-details

Building Codes/Technical Documents-

Dryer exhaust duct code-

From the 2015 IRC

M1502.4.1 Material and Size

Exhaust ducts shall have a smooth interior finish and be constructed of metal having a minimum thickness of 0.0157 inches (0.3950 mm) (No. 28 gage). The duct shall be 4 inches (102 mm) nominal in diameter.

M1502.4.2 Duct Installation

Exhaust ducts shall be supported at intervals not to exceed 12 feet (3658 mm) and shall be secured in place. The insert end of the duct shall extend into the adjoining duct or fitting in the direction of airflow. Exhaust duct joints shall be sealed in accordance with Section M1601.4.1 and shall be mechanically fastened. Ducts shall not be joined with screws or similar fasteners that protrude more than 1/8 inch (3.2 mm) into the inside of the duct.

Electrical

This article from Mike Holt covers types of circuit breakers; molded case, insulated case, and drawout types

https://www.mikeholt.com/mojonewsarchive/EES-HTML/HTML/ElectricalCircuitBreakers~20030621.htm

Plumbing/HVAC




                         
This is a must read on the basics of how heat pumps and AC unit work.

HVAC/R REFRIGERANT CYCLE BASICS

https://hvacrschool.com/hvacr-refrigerant-cycle-basics/?utm_source=TechTips&utm_campaign=30ad54d92a-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_608fe06f1d-30ad54d92a-64209185


Burnham boiler dates

http://www.usboiler.net/repair-parts-tool.html

Product Information-



HVAC Penetration

Here is really a cool product line for flashing exterior wall penetrations.

http://www.quickflashproducts.com/products_hvac.html

I found this video showing the use of the Quickflash flashing detail.

https://www.youtube.com/watch?v=MbOVIEmS-g0



Old low voltage lighting system products- Bryant, GE, Sierra, Remcon, Pyramid, Touch-Plate, Despard, Douglas

https://www.kyleswitchplates.com/low-voltage-switches-plates/

Miscellaneous Information-

Safety Glass Marking

http://www.wintechinc.com/…/…/Tempered_Glass_Information.pdf

WDO-

Mold Inspectors and the Structural Pest Inspector License

Mold, according to authorities such as Dr. Jeff Morrell, Oregon State University Professor of Forest Products, is not a WDO but

rather, a wood-inhabiting organism that does not cause structural damage.

https://agr.wa.gov/…/docs/MoldInspectorsandtheSPILicense.pdf

                                             


Questions on termites of late-

Here is some information for out west here.

http://owic.oregonstate.edu/…/defau…/files/pubs/termites.pdf

" You can only teach someone, as much as they are willing to learn."

Chris G. Varona

If you find any errors or have additional information that would expand on any code, building standards or manufacturer requirements please let me know.

NCW Home Inspections, LLC  is a Licensed Washington State Home Inspection service located in Wenatchee Washington serving Chelan County, Douglas County, Kittitas County, Okanogan County and Grant County Washington and the cities of Wenatchee, Leavenworth, Cashmere, Oroville, Cle Elum, East Wenatchee, Quincy and many more…  

Your Wenatchee and Chelan Professional Real Estate, Home and Structural Pest Inspection Service

Instructor- Fundamentals of Home Inspection-  Bellingham Technical College

WA Home Inspector Advisory Licensing Board

www.ncwhomeinspections.com                                                   509-670-9572

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This Weeks Discoveries in Home Inspections