Paint - Building Technology 1 (BT1)

7/24/2019 Paint - Building Technology 1 (BT1)

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PAINT

(ADVANTAGES ANDDISADVANTAGES)

Licao, GabrielBryan



Advantages



Color Depth and Range

Paint is available in a wide assortent o! "olorsand paint t#pes $ Ar"#li"s% &#nar's $ *+ , -*+PVD. "oatings% Pol#esters% Sili"one Pol#esters/

Paints provide !or a wide range o! "olors anda ri"h "olor depth% as the# "an be la#eredand i0ed ore !reel# than other

paints/Artists "an s1btl# "hange theri"hness and tone o! their "olors b# addingin1te ao1nts o! other "olors% !orinstan"e/





Dr#ing Tie

Paints have e0tended dr#ing ties% so

paint "an be le!t on a sealed paletteand reain wor2able !or several da#s/



Consisten"#

Paints do not noti"eabl# "hange in"olor% te0t1re or 3nish on"e dried/ This

a2es it easier !or artists to predi"twhat the 3nished "reation will loo2 li2e"opared to other paints that "an"hange their appearan"e a!ter dr#ing/



Varied Appli"ations

Paints "an be applied to s1r!a"es in a greatervariet# o! wa#s than other paints/ 4il paints

"an be ade into thin gla5es or thi"2ipastos% a""ording to the En"#"lopedia o!Irish and 6orld Art7 8*9*/



Range o! .inishes andE:e"ts

Paints "an be i0ed to appear opa;1e%transparent or an#thing in between% as

well as atte or gloss 3nish/



Disadvantages



To0i"it# <evel

Paints "an "ontain to0ins within theirpigents% =1st li2e soe oil paints do/

>sing ?retarder@ to slow the dr#ingtie o! a"r#li"s o!ten introd1"esadditional to0ins/ ( Solvents and (V4C)volatile organi" "opo1nd )



Rea"tivation

4n"e the paint is dr#% it "annot bereoved or altered/



listering B 1bbling

listering happens when a oist1reseeping into the hoe thro1gh the

e0terior walls% Iproper s1r!a"epreparation% E0posing late0 paint tooist1re shortl# a!ter paint has dried

and Appl#ing oil$based or al2#d paintover late0 paint/





Poor Sheen >ni!orit#

Poor sheen 1ni!orit# leads to shin#spots or d1ll spots



Aging Pro"ess

4il paint tend to dar2en or #ellow withage/ 6hile this "an be a "obated with

a "ertain appli"ation te"hni;1es and;1alit# aterials % these are notne"essaril# able to be 1sed ora""essible to ever# painter/



lending Capabilities

paints blend easil# with one another%whi"h "an en"o1rage "ertain artists to

=1st 2eep blending 1ntil the "olors andshapes be"oe 1dd# or 1n"lear/4n"e 1ddied% it is di"1lt to1n1dd# oil paint "olors/



ETHODS OF APPLICATIONF PAINTS AND COATINGS



R>S DIP



ANDR4<<ER DEC4RATIVE<ER



>P G>N SPRAF PRESS>RE .EDPRAF



IR<ESS SPRAF E<ECTR4STATICRAF

Electrostatic coating is a!an"#act"ring $rocess t%ate!$loys c%arge& $articles to!ore e'ciently $aint a

(or)$iece* Paint, in t%e #or! o#eit%er $o(&ere& $articles orato!i+e& li"i&, is initially$ro-ecte& to(ar&s a con&"cti.e(or)$iece "sing nor!als$raying !et%o&s, an& is t%en

accelerate& to(ar& t%e (or)$iece by a $o(er#"l

https://en.wikipedia.org/wiki/Charged_particle

https://en.wikipedia.org/wiki/Paint

https://en.wikipedia.org/wiki/Paint

https://en.wikipedia.org/wiki/Charged_particle



Esti!ating $aint***

%o( !"c% &o Inee&/



To deterine how 1"h paint #o1 need!or #o1r pro=e"t #o1 will need the

!ollowing in!oration7

9/ S1r!a"e area o! the s1r!a"e(s) to be

painted (e0"l1ding areas where thereare windows% doors et")/

8/ Spreading rate o! the paint being1sed/

/ The n1ber o! "oats re;1ired



4n"e #o1 have the above in!oration%#o1 "an "al"1late the ao1nt re;1ired

as !ollows7

Total s"r#ace area 0in s"are

!etres1 Di.i&e& by 2 S$rea&ing rate o#

$aint 0in s"are !etres $er litre1

M"lti$lie& by 3 N"!ber o# coats E"als 4 Total litres re"ire&



5O67SHEET E8AMPLE 9O:6 P6O;ECT

S:6FACE H88 JJ/ 8

SP6EADING 6ATEPE6 LITE6

B 998B< BJJ8

N:MBE6 OF COATS K 8 KJJ//8

TOTAL PAINT6E<:I6ED

L -/M litres JJ/ litres

S1r!a"e area7 H8 s;1are etres

Divided b# Spreading rate7 99s;1are etres per litre O1ltiplied b#0 N1ber o! "oats7 8 "oats E;1als L

H8B99 0 8 L -/M litres



1i"2 steps/// to estiate paintlitres !ro ho1se plans

To get a ro1gh idea o! how 1"h paint #o1 willappro0iatel# need when #o1 onl# have ho1se plans towor2 !ro% 1se the !ollowing "al"1lationsJ <oo2 !or thestateent o! area on the ho1se plans% e/g/ 9QM8

Divide this b# 9* L litres o! sealer !or "eilings

L litres o! 8 "oats !or "eilings

H L litres o! sealer !or walls

8 L litres o! 8 "oats !or walls 8 L litres o! prier !or triBdoorsB!raes

9 L litres o! 8 "oats !or triBdoorsB!raes

This ;1i"2 estiate wor2s as a general g1ide !or ostho1ses% b1t e0tree designs or "olo1r palettes tailored to

ea"h roo will need a ore "are!1l approa"h with ea"h







Documents

Paint - Building Technology 1 (BT1)