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Question for A4architect and Mr Pablo (roofing tips) part 2
Rank: Member Joined: 4/22/2007 Posts: 96 Location: Agra, India
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Are uPVC Roofing Sheets something can consider as an alternative? It's easy for investors to get emotional and prejudiced when trading, but computers don't
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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cmk wrote:about the water collected from the decra roofs? i have seen some guys drinking it??I hope you are right about this.
Also please enlighten me on the chinese alternative to decra and its quality plus durability and the aesthetic aspects.
will greatly appreciate your wise words. @cmk...check the below links for info on lead poisoning from painted roofs http://www.smh.com.au/en...risk-20100409-ryu0.html
http://www.news-medical....s/2008/04/15/37345.aspx
http://tylertork.com/diyrainbarrels/safety.html
http://water-tank-secret...d-different-roof-types/
Quote:Lead-based paints (including primers) – are toxic and not suitable for use in association with the collection of rainwater for human consumption.
Acrylic paint – will leach dissolved chemicals including detergents in the first few run-offs after application and these run-offs should not be collected. As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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kamundu wrote:@a4architect ahsante just two swalis
Is it true clay tiles take more mbao?
What do you lay below them? Karatasi or mabati? @kamundu..its true..clay/concrete tiles take more mbao. You can put karatasi if your roof slope is steep or mabati if your roof slope is not steep. As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: Member Joined: 5/9/2011 Posts: 786 Location: Mashinani
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@a4architect, i thought it safe to take water from galsheet mabati coz its applied through electrophoresis not painting hence does not fade Peace in our Homeland.
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Rank: Member Joined: 8/14/2009 Posts: 57
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About to roof just was wondering about this decra tiles as clay tiles are out of my list due to the weight.I would really appreciate if Architect could advice me on the following please. 1.Do they use a lot of mbao 2.Is fixing them complicated and expensive 3.What other hidden cost should i be aware of 4.Any advice from any wazuan who has used them. LiVE sIMpLE thiNk BiG
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Rank: New-farer Joined: 7/6/2010 Posts: 25
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@Odec, the decra tiles use less timber, the saving is however taken up by the expensive tiles. Fixing requires an expert, mine took about 8 days about a month ago, I would suggest you enter into a labour contract with the fundi and negotiate to have the cealing timber done too at the same time, it will save you alot, i went for this too. Once they are done, do not pay the full amount untill you are sure rain water does not leak through
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Rank: Elder Joined: 10/9/2008 Posts: 5,389
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In Australia some people use mabati and the houses still look mzuri. 
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Rank: Member Joined: 7/14/2011 Posts: 171
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anyone used Nyumba brand sheets from Corrugated Sheets Ltd? They are a bit cheaper compared to other box profiles.. You kill bird...bird dead snake come.
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Rank: Member Joined: 6/15/2010 Posts: 126
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pleasecallme wrote:anyone used Nyumba brand sheets from Corrugated Sheets Ltd? They are a bit cheaper compared to other box profiles.. I have never used them, but my fundi advised me against them as they leave alot of space on doing the Kofia's.... enough space to allow birds to creep onto the ceiling. "The trouble with not having a goal is that you can spend your life running up and down the field and never score". - Bill Copeland
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Rank: Veteran Joined: 10/9/2006 Posts: 1,502
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Anybody with clay tiles experience.? work to prosper
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: Veteran Joined: 10/9/2006 Posts: 1,502
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a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. Thank A4architect, Seriously considering mainly due to water harvesting.The roof has normal Mabati. Should I replace or existing mabati can be like underlay? work to prosper
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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it can remain as an underlay... As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: Member Joined: 10/8/2010 Posts: 446 Location: london
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a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. 4architect, I thought clay tiles are heaviest? i mean the ones from clay works
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Rank: Member Joined: 2/5/2010 Posts: 273 Location: NBI
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african coloner wrote:a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. 4architect, I thought clay tiles are heaviest? i mean the ones from clay works I also share the same thought, that clay tiles are among the heaviest. One clay tile from clayworks weighs approx 3.3kgs when dry plus the underlying roofing timber must be strong enough to support the weight.
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Rank: Veteran Joined: 10/9/2006 Posts: 1,502
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wasee wrote:african coloner wrote:a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. 4architect, I thought clay tiles are heaviest? i mean the ones from clay works I also share the same thought, that clay tiles are among the heaviest. One clay tile from clayworks weighs approx 3.3kgs when dry plus the underlying roofing timber must be strong enough to support the weight. That is my main concern considering the existing roofing built to support mabati work to prosper
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Rank: Veteran Joined: 1/4/2010 Posts: 1,668 Location: nairobi
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african coloner wrote:a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. 4architect, I thought clay tiles are heaviest? i mean the ones from clay works concrete tiles are the heaviest. clay is lighter. a thorough roof truss structural integrity check is needed to be done by your structural engineer to see if there will be new truss addition for support. As Iron Sharpens Iron, So one Man Sharpens Another.
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Rank: New-farer Joined: 2/22/2015 Posts: 61
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a4architect.com wrote:african coloner wrote:a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. 4architect, I thought clay tiles are heaviest? i mean the ones from clay works concrete tiles are the heaviest. clay is lighter. a thorough roof truss structural integrity check is needed to be done by your structural engineer to see if there will be new truss addition for support. [quote=a4architect.com] for a flat concrete roof, to make it waterproof, can terrazo help? Am thinking of making a concrete flat roof of a maisonette.... Only Fools Have No Plan B
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Rank: New-farer Joined: 11/2/2014 Posts: 38
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lekamu wrote:a4architect.com wrote:african coloner wrote:a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. 4architect, I thought clay tiles are heaviest? i mean the ones from clay works concrete tiles are the heaviest. clay is lighter. a thorough roof truss structural integrity check is needed to be done by your structural engineer to see if there will be new truss addition for support. [quote=a4architect.com] for a flat concrete roof, to make it waterproof, can terrazo help? Am thinking of making a concrete flat roof of a maisonette.... @ Pablo, @a4architect.com mko wapi? Pl enlighten us on flat vs pitched roofs especially on cost, structural and maintenance. I see its becoming a trend in many homes. TA = Price Action + Vol + S/R + Trend + Pattern.
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Rank: Member Joined: 3/15/2009 Posts: 359
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Felipe wrote:lekamu wrote:a4architect.com wrote:african coloner wrote:a4architect.com wrote:@tokyo, clay tiles are a superb roof finish..cost effective, light weight and attractive to look at. 4architect, I thought clay tiles are heaviest? i mean the ones from clay works concrete tiles are the heaviest. clay is lighter. a thorough roof truss structural integrity check is needed to be done by your structural engineer to see if there will be new truss addition for support. [quote=a4architect.com] for a flat concrete roof, to make it waterproof, can terrazo help? Am thinking of making a concrete flat roof of a maisonette.... @ Pablo, @a4architect.com mko wapi? Pl enlighten us on flat vs pitched roofs especially on cost, structural and maintenance. I see its becoming a trend in many homes. People chose flat roof because they mostly need to use the space not as a cost consideration. A slab is definitely more expensive than trusses + any roofing material
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Question for A4architect and Mr Pablo (roofing tips) part 2
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