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Dryer venting

Recent Posts

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Building Codes / Re: Where can I find information on dryer venting codes? updated
« Last post by admin on August 20, 2019, 11:53:33 AM »
Here are links to the current 2018 International Code Council Building Codes that deal with Dryer Venting

2018 International Residential Code for One and Two Family Dwellings  Section M1502 Clothes Dryer Exhaust

2018 International Mechanical Code Section 504 Clothes Dryer Exhaust

Also, some links that apply to the new code regarding the area of the passageway of any dryer termination hood.   
Clogged Vents and Duct Cleaning / Re: Dryer vent customers
« Last post by DadsDryerVentCleaning on December 16, 2018, 01:47:54 AM »
Hi everyone. First post =)

I have been in the Air Duct and Dryer Vent Cleaning Industry for over 7 years. 5 of which I was a Project manager for a very reputable company, and 6 months ago I finally started my own company.

I don't think it will surprise anyone to hear that the majority of Dryer Vent Cleaning business comes directly from Google searches. A fair majority of our Clients never even knew that 'Dryer Vent Cleaning' was a thing, much less there where folks out there that specialize in this market until there is a problem and they 'google' it.

Repeat Business for Dryer Vent Cleaning Companies won't really kick in until the 2 to 3 year mark, so until then Companies will rely heavily on Google Searches (Paid and Organic), Social Media and Networking. Building Relationships with Property Managers is great too, but will usually take months and months and months to bear fruit.

As for myself, I saw how much my former employer was spending on pay per click ads and decided early that i was not going to go this route. So I worked hard to build a website that is performing well for organic searches in my target areas, build my social networks and try to build relationships with Project Managers and Home Inspectors on LinkedIn, and so far, I'm doing ok =)
Dryerbox and Dryer-Ell / Re: Taping seam on dryer ell 90 degree
« Last post by admin on July 30, 2018, 11:24:33 AM »
Our feeling is that the outboard seam will encounter sufficient airflow to periodically clean itself off.  Tape would be hard to get to fit smoothly.  I've always considered finger smearing the seam from within after they are mated (with some form of caulk on the joint).  Fan of fire caulk or some polyurethane based caulk.  Thanks for asking.  Maybe if you cut a 3/4" wide strip of metal tape would work too. 
Dryerbox and Dryer-Ell / Taping seam on dryer ell 90 degree
« Last post by MichiganGuy on July 24, 2018, 04:39:12 PM »
I know it's recommended to seal the seam with metal duct tape or other duct sealing methods, but I was wondering if it's okay to seal the seam with metal tape on the inside of the dryer ell duct. I was thinking that lint could get trapped in that indentation and I was hoping to make it smoother with the tape.

Dryerbox and Dryer-Ell / Re: Major Venting Problems
« Last post by admin on July 10, 2018, 12:41:08 PM »
Super sorry for the delay in responding.  I had surgery. 
We like to say, that the LT90 works and fits in floor joists that are at least 11.5" and the flooring has two layers of plywood.  Sounds like we may miss that.  The LT90 will not fit into the hole or port of the downbox, but only needs a 3.5" long nipple and it works, but maybe not for you cause of the depth of the floor joist. 

Newer dryers are very capable of pushing 35 to 50 feet of pipe, and you have to then deduct 5 feet for each 90, assuming you are using the twisty turn ells.  Aluminum flex is prohibited from being used in concealed spaces per code, but it may offer a better means to getting around all the obstructions.  Using a dryerbox does eliminate the one ell behind the dryer in the wall. 

Am happy though that you discovered the vinyl flex and removed it. 

Feel free to call me or reply.  thanks. 
Dryerbox and Dryer-Ell / Major Venting Problems
« Last post by Springbank on June 25, 2018, 03:06:50 PM »
A little background. My house was built in the 1970s, with an addition made in the 1980s. The design of the addition was bad, as was the construction. When we moved in, I noticed that the dryer vent was flexible plastic. As a result, we never used the vent, planning to replace it with rigid pipe at some later date. Because of the addition, the dryer is on an inside wall, and the vent goes through the floor into the basement ceiling, then outside. The problem is with a lot of obstructions and the turns that would be needed.

The pipe will need to go through the floor, run about 32", then make a turn and drop 6". Where the joist is cut now, the turn would be about 45 degrees. I could move the cut and make it a 90. it will then run 5', make another 90, run 28", make a 45 degree turn and out. The wall behind the dryer was once an outside wall, and they bulit another wall behind it. Effectively making it six inches deep.

My questions are first, can the long radius Ell tie directly into the Dryerbox? I have just about 10" between the bottom of the sill the vent goes through, to the top of the drywall cieling. Could a semi-ridgid pipe be used for the turn and the drop? I'm thinking that I might be able to put two Ells together for the turn and drop, but I'm not sure of the exact angles. Let me know if you have any ideas or suggestions.

The amount of lint in the plastic vent was unbeliveable. I really don't know why the prior owner didn't burn the house down.

Thanks for any help.
Venting Efficiencies and the Fire Hazard / Re: Dryer Vent Through Ceiling Normal?
« Last post by admin on April 23, 2018, 10:49:55 AM »
Sounds like this is a two story single family residence. 
Dryer venting in wall ducting is permitable up to 35 feet, less 5 feet for every elbow.  We suggest, the shortest distance with the least amount of ells, and a termination that is not near a door, window or AC compressor. 

Code does not allow you to vent into the garage.  Has to terminate outside somewhere. 
By a "LintEater" at home depot, Amazon or Lowes for $30.  They are great.  Consider leaving the termination where it is.  If the run is under 35 feet and super clean, it should be fine, unless you are unhappy with the exhaust fumes at the balcony. 
Venting Efficiencies and the Fire Hazard / Dryer Vent Through Ceiling Normal?
« Last post by pimpko911 on April 05, 2018, 02:42:48 PM »
I just bought a house in Florida and noticed that they have the dryer vented from the ceiling beneath my balcony outside. This must be because the laundry room isn't adjacent to any external walls, so they routed the venting up, over, and then down from the ceiling. I've never seen this before and am concerned that this would cause lint buildup and create a fire hazard.

Is this normal to have the dryer vent routed this way? The only "external" wall that the laundry room is adjacent to is the garage. What are your thoughts on re-routing the dryer vent to the garage?
Dryerbox and Dryer-Ell / Re: Difficult external venting
« Last post by admin on March 21, 2018, 03:18:56 PM »
Great to hear and thanks for taking the time to reply here. 
Dryerbox and Dryer-Ell / Re: Difficult external venting
« Last post by Brg1506 on March 17, 2018, 04:22:45 PM »
Rick!  It worked!  We cut a hole in the back of the 2x4 no hole and used a close elbow.  It fits!!!!   Thanks again.  Only problem is that the 2 x 6 costs more to ship than the box itself! Thank you again for all your help.
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