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Posted by peternoon on August 30, 2006, 4:30 am
I have received a number of roof tile samples and I have noticed that
the grey ones, which I want to use, seem to be painted or coated,
whether they are clay or concrete.
So does this mean that the durability of the colour in clay against
concrete only applies to the natural clay colour ones, such as the
patina that develops in the clay tiles? What happens to this coating or
paint over time?
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Posted by RoofingChildsPlay on August 30, 2006, 9:32 am
Hi, Peter,
coated clay tiles always mean improved quality/durability.
Those coatings are made of more or less the same material as the
roofing tile itself (clay) but when burned they form much smoother and
consistent surface which is less absorptive, harder than the non-coated
tiles = more resistant against rains and hails, color-stable and also
more algae/moss/mildew resistant.
Generally, you can buy 2 types of coated ceramic tiles, the coatings
are called:
- engobe, if the clay used for coating also contains higher portion of
metallic oxides (can be natural or industrially added). Engobe coated
ceramic tiles are more shiny the glazed ones and
- glaze (enamel), these do not contain so much metallic oxides so are
not that shiny.
Vilo
www.RoofinChildsPlay.com
----------------------------------------------
peternoon wrote:
show/hide quoted text
> I have received a number of roof tile samples and I have noticed that
> the grey ones, which I want to use, seem to be painted or coated,
> whether they are clay or concrete.
> So does this mean that the durability of the colour in clay against
> concrete only applies to the natural clay colour ones, such as the
> patina that develops in the clay tiles? What happens to this coating or
> paint over time?
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Posted by clintonG on August 30, 2006, 10:24 am
Historically speaking "new" building materials have often been met with
scrutiny. Mostly mostly architects are undereducated f*cking idiots who have
paid off policitians to make sure nobody can work without their permission
despite they being as a group of collective retards who issue proclamations
about building materials without any meaingful understanding of materal
science.
So I would verify the science involved of course I note the material
sciences has made leaps in progress after amazing discoveries have made it
out of the lab and into the real world. For example, there are actually
several types of "paint" that can collect solar energy and allow a surface
coating to function like a battery. Who would have thunk it? Is that still
paint" You see what I'm getting at?
Nano-technology is also an amazing and even sometimes scary technology that
is already changing material science at a rapid pace.
--
<%= Clinton Gallagher
NET csgallagher AT metromilwaukee.com
URL http://clintongallagher.metromilwaukee.com/
MAP 43°2'17"N 88°2'37"W : 43°2'17"N 88°2'37"W
show/hide quoted text
> Hi, Peter,
> coated clay tiles always mean improved quality/durability.
> Those coatings are made of more or less the same material as the
> roofing tile itself (clay) but when burned they form much smoother and
> consistent surface which is less absorptive, harder than the non-coated
> tiles = more resistant against rains and hails, color-stable and also
> more algae/moss/mildew resistant.
> Generally, you can buy 2 types of coated ceramic tiles, the coatings
> are called:
> - engobe, if the clay used for coating also contains higher portion of
> metallic oxides (can be natural or industrially added). Engobe coated
> ceramic tiles are more shiny the glazed ones and
> - glaze (enamel), these do not contain so much metallic oxides so are
> not that shiny.
> BR
> Vilo
> www.RoofinChildsPlay.com
> ----------------------------------------------
> peternoon wrote:
>> I have received a number of roof tile samples and I have noticed that
>> the grey ones, which I want to use, seem to be painted or coated,
>> whether they are clay or concrete.
>> So does this mean that the durability of the colour in clay against
>> concrete only applies to the natural clay colour ones, such as the
>> patina that develops in the clay tiles? What happens to this coating or
>> paint over time?
>
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Posted by peternoon on September 9, 2006, 1:21 pm
Some interesting comments here thanks
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Posted by Stu on September 1, 2006, 12:25 pm
I used these type of tiles on my summerhouse last year and they are
very good.
Stu Wright
http://www.cateringappliancesltd.co.uk
peternoon wrote:
show/hide quoted text
> I have received a number of roof tile samples and I have noticed that
> the grey ones, which I want to use, seem to be painted or coated,
> whether they are clay or concrete.
> So does this mean that the durability of the colour in clay against
> concrete only applies to the natural clay colour ones, such as the
> patina that develops in the clay tiles? What happens to this coating or
> paint over time?
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> the grey ones, which I want to use, seem to be painted or coated,
> whether they are clay or concrete.
> So does this mean that the durability of the colour in clay against
> concrete only applies to the natural clay colour ones, such as the
> patina that develops in the clay tiles? What happens to this coating or
> paint over time?