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We use 4:1 for a verge consisting of 'Cooks' building sand and cement. We also add a splash of mortar plasticizer to the water (not too much, the instructions are on the bottle). Don't add fairy liquid, it's for your dishes.

I agree with my colleagues here, it does indeed look a tidy job. As a leadworker I sometimes find in cases like this that the lead does not go into the joint a full inch (25mm) which it needs to if it is going to prevent capillary action. Also worth checking that the side laps are adequate, they...

Hi, Both backgutters pictured have little or no sole plate. The soleplate is the base of the backgutter and should be at least 100mm (4") wide. The first backgutter shown is self flashing as opposed to having a separate piece of flashing coming over it like it should. Also it does not go...

If the lead will lap onto the glass about (150mm) and is fitted in lengths no longer than 1.5m across with 100mm laps (at least then it should be fine. Kind Regards, Mark. P.S, use your flash next time :wink:

Proctor Roofshield is the industry standard nowadays and it is very, very good. A quick Google search shows that the one you have been quoted for is about half the price of Proctor which is about £110 a roll. Think of it like this, your underfelt or membrane is your secondary roof should...

To be honest, I would not pay a penny for this until it is sorted out properly. If they are a quality firm they would want to put this right. I would get the boss out to see this for himself. I am certain he will not be pleased with what he sees. It looks very much like someone who doesn't know...

Tony, Stop seeing problems and work towards a solution. Get a leadworker to fit the lead. Expansion joints are very straightforward for a leadworker, then get a roofer to slate or tile it back in. All leadworkers will know many roofers that they work with on a daily basis that could do...

Good on you Xenon!

Tony, First of all please do not rely on Rated People , CheckATrade or other such websites. You only need to look at numerous posts on here to see why. Secondly, it is perfectly normal to use felt for such an application, as it would be to use fibreglass, zinc or lead. In fact the options...

Mortar ratios are very subjective, many people use their own variation if it works for them, so, whats right and wrong can be deed a grey area. We use cooks building sand at a ratio of 4:1 with a mortar plasticizer (not washing up liquid) for hips and ridges. We only use sharp sand for...

Fairy liquid is for washing dishes! Mortar plasticizer is what professionals use. Many people use differing mixes for differing jobs in different areas and climates. We for instance use a 4:1 mix of 'Cooks' building sand and cement with the aforementioned mortar plasticizer. Oh, and of course...

Without actually seeing the quote it is hard to say as we do not know what each of them has quoted for exactly.

I have been installing them for 25 years and to this day have not seen one that has failed. Yes, a specialist leadworker should be able to fit them, no problem.

Its difficult to say without seeing a picture, but your leadworker could be able to install some lead expansion joint. This would negate the expense of installing steps and you may be able to use the existing lead if it is code 5. Note, you will need a leadworker to this work as it would...

Hello again, I believe the gentleman in the video to be a roofer as opposed to a leadworker. His videos are great, but, as to the finer points of leadwork I would tend to trust a leadworker or indeed the 'Lead Sheet Association' recommendations. Please see the link below...

Hi there, Be sure to get the lead 25mm into the chase. this is important to stop the lead from moving and coming out of the joint and stops leaks via capillary action. I would strongly suggest that you point it with a lead sealant as opposed to mortar. I have never seen sealant come out of...

Standard width is 400mm. If you get 450 wide lead you can turn 25mm back on each side to act as a return welt. Put pieces on no longer than 1.5 metres and lap over 150mm with each new piece. Code 4 is okay but it is worth paying a little extra to use code 5 as the valley will get a lot of...

Why dont you get a roofer to quote? You wouldnt get a butcher to bake you a cake!

Yes, you will need code 5 for that if you are going to boss it. To be honest, I am a leadworker and I would always cut and weld this kind of detail as it would be quicker, stronger and last longer. I could boss it, but it is pointless. If you still intend to boss it then I would advise you to...

BLUE TAPE IS CODE 4 = FINE RED TAPE = CODE 5 = FINE GREEN TAPE = CODE 3 = TAKE IT BACK, SWAP FOR THE ABOVE.