What does the IPA actually do in the mix, I have read all 34 pages in this section and haven't found the science to why I should use IPA?
For example we use a surfactant, so our solution stays on the roof longer. How does the IPA get deeper into the shingles?
Thanks, Dan
Claims
What is claimed is:
1. An aqueous biodegradable cleaning composition for cleaning outdoor wood surfaces, the cleaning composition consisting essentially of:
about 0.1 to about 10 percent by volume of a surfactant that is miscible with water and compatible with concentrated chlorinated bleach solutions;
about 0.1 to about 8 percent by volume of one or more alcohols selected from the group consisting of primary and secondary alcohols having 1 to 3 carbon atoms and mixtures thereof; and
the balance being an aqueous chlorinated bleach solution with a caustic override in an amount of about 0.35% to maintain chlorine stability in the composition but prevent deterioration of the wood surfaces, the bleach solution having a hypochlorite content of about 3%.
2. The composition of claim 1, wherein:
said surfactant is present in an amount of about 1 percent by volume;
said alcohol is present in an amount of about 0.5 to 1.2 percent by volume; and
said bleach solution is a 3 percent bleach solution.
3. The composition of claim 1, wherein said alcohol is isopropyl alcohol.
4. The composition of claim 2, wherein said alcohol is isopropyl alcohol.
5. The composition of claim 1, wherein the surfactant is selected from the group consisting of a sulfonated surfactant, an amine oxide surfactant, a betaine surfactant and mixtures thereof.
6. The composition of claim 2, wherein the surfactant is selected from the group consisting of a sulfonated surfactant, an amine oxide surfactant, a betaine surfactant and mixtures thereof.
7. The composition of claim 1, wherein said bleach solution is a sodium hypochlorite bleach solution.
8. The composition of claim 2, wherein said bleach solution is a sodium hypochlorite bleach solution.
9. The composition of claim 1, which additionally contains an odorant, perfume and/or masking agent.
10. The composition of claim 2, which additionally contains an odorant, perfume and/or masking agent.
11. The composition of claim 9, wherein:
said alcohol is isopropyl alcohol; and
said bleach solution is a sodium hypochlorite bleach solution.
12. The composition of claim 10, wherein:
said alcohol is isopropyl alcohol; and
said bleach solution is a sodium hypochlorite bleach solution.
so I bought the IPA, but I would like to use it with Dawn. Chris I believe it was you who said this makes a bomb ?
I got SH , Dawn and IPA. Would you guys recommend using all 3 in a batch? or just SH and Dawn or SH and IPA?
Still experimenting with my mixes but I don't want to make a bomb.
OK, no need to fear, as long as you aren't using a pump up sprayer. We only use IPA on the most filthy of roofs, or on really steep ones where your chemical contact time is less, and the solution has to clean faster. SH and Dawn mixed with water will clean just fine, for most jobs.
Great post! This is exactly what I needed to see, up north here we have 15-20 year old roofs that haven't been cleaned in 15-20 years. These roofs have algae And moss caked on. We got a nice looking Saturday so I'm gonna go out and try some new experiments.
Thanks, Dan
Typically how much 70% IPA would you use In a 100 gal batch?
Great post! This is exactly what I needed to see, up north here we have 15-20 year old roofs that haven't been cleaned in 15-20 years. These roofs have algae And moss caked on. We got a nice looking Saturday so I'm gonna go out and try some new experiments.
Thanks, Dan
Typically how much 70% IPA would you use In a 100 gal batch?
Dan - you're a premuim member now, so let's take this converstation over there? You'll find most of the guys a little more free with info there. (Although there are some MAJOR pros over here on the guest side too.)
Dan, IPA is a must have in my opinion. I've been cleaning roofs for years, and there is a significant difference in the lasting cleanliness of an IPA cleaned roof, and one that is not. To answer your question, for a 100 gallon mix, I would add 3 large bottles of 90%, so probably about 4-5 bottles of 70%.
I agree with Kevin, I put it in every batch and at times a pump sprayer { now Chris has me nervous } when needed. I notice a big differance on roofs with out it.
What does the IPA actually do in the mix, I have read all 34 pages in this section and haven't found the science to why I should use IPA?
For example we use a surfactant, so our solution stays on the roof longer. How does the IPA get deeper into the shingles?
Thanks, Dan
While I'm in agreement that this thread should be moved to the premium side (hint hint) I'll answer your question of the "science" of what IPA actually does...
Alchohol is a VOC (volatile organic compound) and a solvant, that being said its "lighter" than H2O and is a smaller molecule that is more active/volatile (molecules moving faster) at the same temp. as water. Just as steam penetrates faster than room temp water because its more volatile (molecules moving faster) the IPA helps the solution penetrate into the cellular layers of the GM, lichen and moss. The surfactant aids in a similar way but different, it breaks the surface tension allowing solution to penetrate quicker, just like the surface tension of water. Mosquitos "stand" on water due to surface tension, but if you add a little Dawn to a pond those buggers will sink! At least on theory!? The surfactant also encapsulates the chlorine to work longer "dwell time"
Hey grime, I'm new to the game, but yes. The IPA helps clean, the dawn is a cleaner but more importantly a surfactant, allowing the mix to stay on the roof, breaking the surface tension. The 100 is so worth it.
Dirty Dan we are glad to see you became a premium member, it's the best deal in town. Also welcome " Grime Buster " I like the name and logo, Good Luck!