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Pat's Tech Tips Blog

Welcome to the SPF Depot blog! We cover everything from common spray foam questions, equipment reviews, amd more!

Transfer Pump Heights
Pump Brands and heightThe following is a list of popular brands of pumps we sell. Graco T1, T2, T3, IPM IP02, OP232, OP242 and the PMC GHO pump. All the pumps put out approximatel...

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Gusmer GX7 Series Spec's
GRACO GX7 VERSIONSLBS PER MINUTE MINLBS PER MINUTE MAXNOTES GX7A IN THEORY440MODULES ROUND1250ActualGX7DI IN THEORY420Fan onlyMODULES ROUND89.75ActualGX7 400 IN THEORY3.58Fan onlyM...

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SPF Depot purchases 2 German Manufacturers 2018
Patrick M Gililland, President of SPF Depot announced that SPF Depot has finalized the purchasing of 2 German firms specializing in parts and equipment for the SPF field. PolyCraf...

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Popular Guns for Foam and Polyurea Update
We wanted to update our post from years ago about different guns people use. Below are the more popular guns and their specifications along with things we like and/or detest about ...

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Choosing an Email Name or an Ecommerce Store Name
This may be a little off topic, but I just finished an interview that will be published in a few weeks were I was asked about problems in E-Commerce (Web Stores).It brought out sev...

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Transfer Hose Size from your Pump to the Proportioner
I got an email today that was a good one. We sell our stainless braided, transfer hose that runs from your drum pump to the Proportioner. Our line is only 3/8" ID and the customer...

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SPF Depot Foam Release & Solvents Now in Canada
Winroc first began with a single store in Winnipeg in 1971, and for nearly half a century, the company has continued growing to serve customers all over Canada and the United State...

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SPF Depot Preps for UTECH North America Trade Show
SPF Depot is pleased to announce our participation in the upcoming UTECH North America exhibition being held April 6 & 7, 2016, at the Charlotte Convention Center in North Carolina...

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Standard vs. Coalescing Air Filters for Spray Booth Systems
Anyone familiar with spray foam tools knows the importance of using the proper air filters for yourSPF equipment. Spray foam filters are designed to remove airborne contaminants in...

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How to Properly Maintain Spray Foam Gun Equipment
Spray foam gun equipment has become more popular as the number of uses has increased and SPF tools have become more affordable. While spray foam guns have many commercial and indus...

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OSHA Inspections are now targeting the SPF Industry
Be Prepared. Sprayfoam.org just published an interesting article that everyone needs to read and take proper action on.OSHA's Directorite of Enforcement spoke at the SPFA conventio...

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What the "best" gun on the market for spray foam insulation and polyurea roof coatings?
This question is asked on a weekly basis. The best is in the eye of the beholder, but I'll give my opinion on the 4 most common guns, what I personally like/dislike on each and let...

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Issue: Slow Spray Gun Response When Trigger Pulled
ANSWER: The problem is the muffler/Exhaust port on the bottom of the gun handle. On the bottom of the handle is a hex head bolt with a 1/8" hole in the center. That's the breather/...

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How to Fix HOT WEATHER Problems with Spray Foam
This time of year, we get numerous calls with issues on guns locking up, crossing over and guns spraying for a few seconds before it just stops spraying. As the weather gets hotter...

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My Side Cartridge Broke
Broken edges on the side cartridge have -0- effect on your gun performance. The part is only shaped that way so the front retaining cap will screw on. ( hard for a round cap top sc...

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Where is the Fan Spray? It's Just a Pee Stream
1: If the foam is curing properly, but the gun has no fan pattern, the problem is most likely in the main port of the mix chamber. Fan pattern is made in the main port were the foa...

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How to Properly Shut Down Gun at the End of the Day
To shut down:1 - inject the grease till it blows out the nozzle (usually 2 pumps)2 - turn off the air supply3 - 1 more shot of grease4- shut off fluid valves.Turn off the fluid shu...

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MSDS Sheets: Is it acceptable to distribute copies of MSDSs and consider that to be training?
This was copied from the OSHA web site:Response: OSHA's Hazard Communication standard (HCS) contains the required, minimum elements in an employee information and training program....

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OSHA VIDEO: Respiratory Protection in Construction
10 Minute video. Respiratory Protection in Construction (English) Proteccion Respiratoria en la Construccion (Español)http://www.osha.gov/video/respiratory_protection/construction...

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What can I use to flush my "A" side hose?
Some people use Diesel fuel. I recommend a 50/50 mix of mineral spirits and lacquer thinner. Go to Lowes or Home Depot and buy 1 gallon of each along with an empty 5 gallon bucket/...

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O-Rings - Are your the same as Graco?
We have several types of O-rings. First off, Viton™ is a registered trademark of DuPont™. Number 2: I hear often about the Graco "double Viton™ o-rings". There is no such thing as ...

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Spray Foam Gun Chambers Resurfaced on Sandpaper
Everyone cleans their chambers on sandpaper and it does do a good job at removing small scratch marks.Over time, the chamber will become "cupped" from sanding in a circular pattern...

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Fluid is by passing as soon as I turn on the fluid
ANSWER: The majority of the time, this is from the side seal (the little steel thingy that rides on the mix chamber - known as assembly18C) not sealing on the chamber surface.Chec...

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Are you Boiling Spray Foam Parts in Anti-Freeze? Stop.
Some manufacturers love it when you boil your parts in antifreeze to clean them. As for me, it drives me nuts, but - go ahead and order new parts after you ruin yours.You know why ...

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Dangers of Compressed Air
Atmospheric air typically contains 2 million dirt particles per cubic ft. Of that, 80% of these particles are less than 2 microns in size and are too small to be captured by the co...

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Flushing the "A" Side hose. How many gallons of fluid do I need to flush it out?
I get asked this all the time, so I thought I would play around and tell you how to figure that out. A 3/8" hose.Remember Math class and saying "when will I ever need to know - πR²...

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Increase Transfer Pump and Drum Mixer Life 10 fold
Air is supplied to the transfer pump and the drum mixer. Most of us have water in the air along with metal (rust from the inside of your air tank). All o-rings have a built in lubr...

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No Purge Air
QUESTION: I can't get any purge air.ANSWER: Here is a link to a cutaway view of the internal ports in the handle: http://www.spfdepot.com/handles_p/spf-gun%20handle%20cleaned.htmR...

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OSHA Fit Test Program - FACE MASKS
Having an established "Fit Test Program" for your employees is an OSHA mandate and not just friendly advice.Failure to meet OSHA standards can rack up to $10,000 in fines per occur...

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SPF Solvents: What to Use for Everyday Cleaning
We have 2 solvents.SPF-6. We use this everyday to clean foam and polyurea from the guns. Heating isn't required, but on guns we are sent from customers, we will turn the heat on fo...

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Issue: Slow Spray Gun Response When Trigger Pulled
ANSWER: The problem is the muffler/Exhaust port on the bottom of the gun handle. On the bottom of the handle is a hex head bolt with a 1/8" hole in the center. That's the breather/...

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My chamber broke on the lock tab (or piston were the chamber locks on)
ANSWER: Try decreasing your air supply down to 80psi. Many run at 120 Increasing the line pressure increases the force thinking they get a better fan pattern.Truth is, the air supp...

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