hi lads went to look at a job before,massive hall way and landing which seemed like never ending of meterage of that realy horrible heavy old'e english style plastering......real nasty. How would you guys approach dealing with it? if i remember correctly did spreads used to do it with browning? got the vibe other spreads had given the customer the wide birth.
heavy olde english plastered walls
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johniosaif
Private Member
What's olde English plastered walls like?
PlasterCraftDundee
Well-Known Member
If its as bad as you say, do what the others have done and give it a wide berth!
johniosaif
Private Member
Never seen hardwall and bonding mixed together ,is the an olde English solution to an old English problem? For that reason I am out
JohnDoe
Active Member
Get lost ..... You must have had a couple of half bags left and chucked them in together? :RpS_biggrin:
superspread
Well-Known Member
whats the benefit of that? h/wall and bonding.why not just bonding?
john, the bonding builds up a key, you cannot apply hardwall on to pva, the hardwall allows you to pack out and float better the bonding, devil float and it skims easy.
johniosaif
Private Member
Never.. Oil and water, the don't mix ,only someone with a post count o 2091 would do this..
johniosaif
Private Member
Have you created a hybrid plaster ?
hardwall and bonding mixed gives you a better suction for skimming then bonding alone.
the idea is to make plastering as easy as poss.
johniosaif
Private Member
I get that bit ,but hardwall and bonding are not interchangeable products ,to my mind the do not make good bed fellows
superspread
Well-Known Member
surely on top of painted surface thats had pva there wont be much suction anyway,assuming your setting same day,but im a rookie by all accounts
on work as described by op , it is ideal. it gives the bonding more body , we have used this method for years without any problems.
johniosaif
Private Member
Interesting and new to me, cheers mr Malcolm
surely on top of painted surface thats had pva there wont be much suction anyway,assuming your setting same day,but im a rookie by all accounts
there will not be any background suction, but as you know the moment the hardwall starts to have its initial set you can skim.the op described the staircase as huge, the largest that he has seen therefore you would be able to float out large areas before you turned back and skimmed
surely on top of painted surface thats had pva there wont be much suction anyway,assuming your setting same day,but im a rookie by all accounts
i know that you have been in the wars tonight, but i do not think that you are a rookie !
johniosaif
Private Member
An olde but goldie,shiit is he back aaah
superspread
Well-Known Member
Sorry Malc I can't see what mixing the two together would have advantages but it works for you so ill bow to your age and experience
bonding gives your skim no suction, it is also not the best material to use for floating out. by adding hardwall it improves material for both floating and setting, give it a try when the opportunity arrives.
pva + bonding and float all day skim it day after ,give bonding time to get suction if its a painted surface, never mixed hardwall with bonding or vice versa ,bonding is a bitch to skim same day as is most gear ,I like a bit of suction less chance of blebs appearing everywhere (personal choice):RpS_thumbup:
CTPlastering
Well-Known Member
Casplas u rekin blebs are because there is no suction ?
CTPlastering
Well-Known Member
I would rekin theres more suction onto bonding than boards and no blebs on boards ??? We have been tryin to suss out what causes them , been floating out walls and skimming lately same day just been straightening up with the bonding ( wonky walls) but been going over the full lot to keep suction the same . Any one else have any ideas why it blebs ?? Got us puzzled lol
superspread
Well-Known Member
Trapped air in the scratch and little to no suction compared to the main bulk of wall that you are setting.
yes I do, still get them when suctions there but not very often
on boards there's no devil float marks different depths your working on, as superspread as said trapped air can cause it and if your background is green how do you use pressure to remove them?
CTPlastering
Well-Known Member
Well if it was off the scratches surely the blebs would be in that shape ..... Air trapped is one idea like ....... What do U mean about gettin them out green etc , when its set trowel on edge mate not hard ? Jus wondered why they appear didnt notice ad rattled ur cage at the same time
@CTPlastering green as in soft background, scraping using edge is one way of doing it when set ,although its not my way of trowelling up, the shape your on about is air pushed into one area, and my cage isn't rattled bud @JamieMac blebs =blisters as you call them I suppose there will be numerous names depending were you live.
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CTPlastering
Well-Known Member
Soft background ? My background would always be set so wouldnt call it soft ?
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