Kent Mitchell
  • Vancouver, WA
  • United States
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Fire sprinklers & air infiltration?
9 Replies

The housing industry is continuously trying to make houses tighter.  This will continue coming up as an issue for the sprinkler industry until it is resolved.  The type of sprinkler head we are…Continue

Started this discussion. Last reply by Ed Minch Mar 20.

Bad floor insulation installation
5 Replies

 We are seeing this…Continue

Started this discussion. Last reply by Bud Poll Mar 17.

Competing with Utilities, Non Profits & Governments?
3 Replies

We have a dilemma in our area.  Much of our competition is the local utilities, government programs and non-profit organizations.  We have tried to align ourselves to be part of their programs where…Continue

Started this discussion. Last reply by Curtis Dean Feb 11, 2011.

Marketing our business?
4 Replies

We have been trying many methods to create volume in our business and have not found a good solid niche or method yet.  I am wondering if there are any Energy Pros who are doing a good volume and if…Continue

Tags: advertising, selling, marketing

Started this discussion. Last reply by Jennifer Luitwieler Jan 31, 2011.

 

Kent Mitchell's Page

Latest Activity

Kent Mitchell's 2 discussions were featured
Mar 21
Ed Minch replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"This is not the only problem with sprinklers.  Any pipe in the attic with water in it must be protected from freezing, and the standard practice in the mid-Atlantic has come to be called "tenting".  The insulator will cover the…"
Mar 20
JEFFREY M HUGO, CBO replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"I understand now. You are speaking of the annular space between the cup (housing) and the sheetrock. In the perfect world, there is tight fit but we both know how that works 99.9% of the time. Can this area be filled with caulk or compound? I would…"
Mar 19
Kent Mitchell replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"We understand that, and it makes perfect sense. That is not the issue.   We are not talking about sealing the cover plate.  It's the housing where it meets the sheetrock - not the escutcheon or the cover plate.  On a…"
Mar 19
JEFFREY M HUGO, CBO replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"Kent, Sealing around the bottom edge of the edge of the cover plate violates the (UL & FM) listing of the product, and it specifically violates NFPA 13, NFPA 13R, NFPA 13D, NFPA 25 and the soon to be out 2015 IECC. The sprinkler standards (NFPA)…"
Mar 19
Kent Mitchell replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"Very nice Sean!  Thanks!"
Mar 18
Sean Lintow Sr replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"There are two easy solutions - move the air barrier location or placement of the head & line as shown in this piece... http://blog.sls-construction.com/2013/bs4d-the-fire-sprinklers-air-barrier-conundrum"
Mar 18
Bud Poll replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"So actually the temperature difference they need to move the air, call it convection or stack, is from the fire.  That makes sense and would easily override the lesser temperature differences of house stack effect. I have had some dealings with…"
Mar 18
Kent Mitchell replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"The 2 flush cover pendant style on the right side of this picture are the units we are struggling with and most often found in residential applications... The trigger would be the heated air these units are relying on... the airway…"
Mar 18
Bud Poll replied to Kent Mitchell's discussion Fire sprinklers & air infiltration?
"Hi Kent, educate me? Since air doesn't always move up through the ceiling plane, stack can be zero or reverse, what is the sprinkler relying on to trigger a response? Bud"
Mar 18
Kent Mitchell posted discussions
Mar 18
Bud Poll replied to Kent Mitchell's discussion Bad floor insulation installation
"One of the distinctions Joe makes about the gap above (which I agree with) is a "warmer floor".  Floors are hard to heat because of the natural stratification above.  Leaving the gap allows for some heat loss into that space and…"
Mar 17
Kent Mitchell replied to Kent Mitchell's discussion Bad floor insulation installation
"Thanks Bud.  Yes these are short foundation walls and access under is usually an issue.  Unvented & enclosed crawlspaces have been tried here (Pacific Northwest) with conflicting results and the consensus is to stick with…"
Mar 17
Bud Poll replied to Kent Mitchell's discussion Bad floor insulation installation
"First, to clarify, we are discussing a short basement, ie a crawlspace??  Your reference to 1/150 for venting I would normally apply to attics.  Not sure that number is applicable to a below the house crawlspace, minimal stack effect and…"
Mar 17
Kent Mitchell replied to Kent Mitchell's discussion Bad floor insulation installation
"Thanks for the feedback Bud!  We are in Climate zone 4 - marine & radon zone 1. It's a foundation wall with venting 1/150.  Crawl is covered with 6 mil visqene with good overlaps & sealed.   Insulation is…"
Mar 17
Bud Poll replied to Kent Mitchell's discussion Bad floor insulation installation
"Hi Kent, Cutting corners is a practice many have perfected.  But that air gap above the insulation may not be all that bad.  Emphasis on "may", as there are other details that need to be done correctly.  Joseph Lstiburek did…"
Mar 17

Profile Information

Company
Swiftsure Energy Services
Professional Certification
RESNET rater, ENERGY STAR Verifier, NAHB Green Verifier
Website URL
http://swiftsureenergy.com
Facebook Page
http://www.facebook.com/pages/Vancouver-WA/SwiftSure-Energy-Service...

Kent Mitchell's Blog

Acronym CRAZY...

I don’t believe this is an industry specific issue but we do seem to have an excess of acronyms. 

For example we have RESNET, HERS, BPI, LEED, CSG, ACCI, ANSI, OSHA, WISHA, OMG, & LMAO! 

Confused yet?  No – then let’s try these on for size… ACH50, ACHNAT, SIPS, DMHP, HP, WH, HVAC, CFM, ELA, SLA and IECC, MEC, ASHRAE but don’t forget NYC! 

BTW can you name EPA, HERC, OSB, PVC, ABS, BD, DB, MDF, MDO, SEER, HSPF, HRV’s, ERV’s, DOE, NGBS, BIA, PV, UV, UVA, UVL, DHW, IAQ,…

Continue

Posted on January 5, 2012 at 5:30pm — 4 Comments

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