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I applied sodium hypochlorite at 3% with surfactant and once all staining was oxidised, I applied BAC50. Hope that helps. 👍

gardinerpolesystems.co.uk/ultimate-35cm-brush-dupont-single-trim.html. Hope this helps

Thank you for your commendation and greetings from PH Exterior Cleaning Services

Sorry but I don’t not discuss my estimates.

Once started up. The hot water will come through within a few moments. 👍

Morning Neil. You’re up early😂 No steam on these 100% pigmented tiles. Just low pressure as not lots of moss and more of a black and yellow algae removal. Third one in this street. 👍😎

Thanks 👍

It had white lichen and lots of moss on one side. Hot water rinse would not have been quicker and not as thorough. This was in the middle of a village and led to six other roof jobs.

@@phexteriorcleaningservices makes since it also seems you’re somewhere with very high humidity around the season where I’m from we don’t get that much organic growth lol that’s definitely a process you have going on there good work.

Thanks for that feedback. I will continue to use the PA nozzle on these for the reason I mentioned but also because it gives me great flexibility for reaching all the angles from one position. Appreciate your thoughts though.

Whats it mean by clipping the tiles?

@@hammondz83 well the underside of a flat-surface cleaner has metal nozzles that wizz round at high speed. If the FSC isn't sitting flat across tiles, a corner can get whacked (or clipped) and cracked off.

@@rattlin9194 ahh OK get you.. thanks

@@hammondz83 the mosmatic has a rotating arm and as it gets drawn down onto the next, lower tile, it can clip the bottom edge of the tile it is leaving and break a bit off. This can also damage the arm of the mosmatic which would cost £120 to replace

I have a foot pedal but it limits manoeuvrability so I generally do it with in line trigger. If your back is feeling it - use a back support and up the pressure to reduce your arm load. You can do it All the best.

Thank you

On older houses - yes. On newer ones with little moss, an external inspection highlights potential leak areas. If this is the case then we switch to scraping and soft washing the roof.

Hi Neil. I can’t remember now although I had the pressure washer (21 lpm) on full power during the job and the hot box on about 70C

Sometimes a customer wants all of the white lichen removed from a roof not just the moss. To do this with cold water under pressure can unduly wear the grain off a tile. Using steam allows for 99% removal of white lichen without the undue wear on the tile. This is a choice the customer has. In my opinion, removing the moss is the main objective whilst maintaining the integrity of the tile. So customer choice. Hope that helps.

@@phexteriorcleaningservices ahh ok thanks, I was thinking of starting a small side business spraying driveways and maybe give this a try later down the line, I make and install corian worktops but it's so quiet and want to try something different after 17 years of it. I'm guessing the gear isn't cheap though

@@harryhoudini4365 not cheap at all. I would suggest starting with a 21 lpm pressure washer and flat surface cleaner to do driveways first. Then, once you are competent with that, move on to roof cleaning. It would take a year of driveway experience first.

Hey Paul what are the white circles on the tiles after it's steamed? Is that engraved into them

@@tinobyrne9016 white lichen. Does not always come off with low pressure. Biocide will kill it and after weathering, it will wear away.

Mosmatic.

@@phexteriorcleaningservices I've seen the v-tuff one up for £359 I wonder how much of a difference there is

@@neilgreen9285 I have not used the V tuff so I am sorry but I cannot compare them

I got them from eBay.

Good morning Damien. I would suggest you have a chat with Rutland Pumps - Sophie - give them the spec of your PW and the hotbox you are referring to and they will give you a definitive answer. Much safer than getting a “I think so” from me. 😀 hope that’s ok

Hi Robert. There is not a guide on this that I am aware of. If you watch the video where we scrape the roof and soft wash it as the tiles are delicate - hopefully it will come across that through experience and site surveys PRIOR to estimating, you can determine the best approach to a clean. The very latest video I put up about the PA Nozzle is an example of the site visit determining my approach. I could have scraped this roof as there wasn't much moss of it just lots of black and white algae. The neighbours had theirs down by someone else the year before and the white lichen was still abundant and distracting. Just knowing this tile is robust and not old - I was confident that the single PA nozzle would be the best approach. The customer gave me a five star review yesterday and was very happy that they don't have all the white lichen still on the roof. Sorry I have rambled on a bit. Hope it helps. Paul

Thank you and have a great weekend

All roof cleans are subject to a prior site visit to determine the best approach for the specific tile and location. These tiles were brilliant for a steam clean. Some aren't of course. Please see some of the other videos where this is explained a bit more - with different approaches. Hope that helps. Paul

Glad you found it useful. Kind regards Paul

Hi Damien. Soorrrrry - it has taken so long to reply. My website was done using WIX.COM. I initially set it up myself and then used Neill from darkfuse.co.uk to polish it off. They are great WIX consultants and very competitive on pricing. If you approach them mention my name to Neill and he will be very helpful. Hope this helps - Paul

Sorry for not replying sooner. The machine is underpowered for the job. Ideally you need a 21 lpm machine. 15 lpm will do but 21 is best.

Hi Larry - if you go to my linked in page you will see my complete work profile. But I have basically been in management and sales management all my life. If you get into this work - you will love it.

Thank you

Get one that matches your machine. You don't want the pressure to build up and result in a problem - with steam this can be very dangerous.

Spot on Andy. Yes, I do hope this helps inform customers clearly. I think it is easier for them to make a positive decision if they fully understand the process

Thank you my friend

In south of England it’s around £12 square metre. In north of England it’s around £8 square metre

Gutter Sucker Pro. Works a treat for this sort of work and roof cleaning when having to remove lots of wet moss from gutters.

This machine is just as good as the Skyvac as it is their value for money range to compete against GVS etc.

70 C

Good point Ben. I have now been PASMA certified along with CITB for Working Safely at Heights etc. This job was surveyed prior to the works and I made a judgement call on my approach. It worked out but I take your point about being safety conscious. :-)