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e asics o ASE EAI y aicia ooe

Wae amage om umig eak

Eecicia amage 4 Ai iiscoa eamiaio

ae ase

Misguie euecoa‘,,,...... Sucua cackig

WA IS ASE? ase ecoogy a eciques wou i a ig eook. My uose ee is o eai wa as I o ouses, ase is mos oe a eecoa sysem o e is a wy i ais, a o ouie you oios ime o gysumase, oweae moa a was aie i eaig wi oems. ougou, I assume we oe woo a sis. e is wo coas coai sa a 0% o you ase is saageae i oe (a eas aima ai e iis coa is ie a wos, wee akig aou acig a eai, o em coais o aggegae o ie. e ase coa o ase oiio a eaceme. as a mecaica a aesie o o e a: meca eaig is aice wo make you a asee. ig os, ica oug keys, o aee sums o ase a we eseciay, equie a o o acice wokig wi e ma oug e saces ewee aig sis aesie y i eias. u I ik you e coice a ase is usuay ue o sucio ceae ewee e woo a a we saageae usig sime, ieesie eciques. Ee i ase. youe aeay a eeiece ae o acasee, a Oiousy, ase ca ai ecause o imeecios i ew o e icks o oucs escie i is aice may e maeia ise, o ecause o sesses i o aiue o e ews o you. A e aseig Gossay a aeas e sucua sysem a suos i (ouse amig, sus, o age 4 ceas u couse ocauay o a o us. a.

E OOUSE OUA 2 CACKS Hairline cracks are no threat to the integrity of the wall or ceiling, but you'll want to patch them before . Open the crack with the point of a can opener or a putty knife, and fill it with spackling compound. Cracks may be cyclical — opening and closing with seasonal variation in humidity which causes the to swell and shrink. In that case, it's best to not "spackle" them with rigid . Instead, bed fiberglass tape in and feather over with more compound. Structural cracks or large cracks usually happen early in the building's life. Dig them out, undercutting slightly to provide a key for the patch plaster. Vacuum out all debris. Patch with the appropriate patching plaster, finish with a layer of compound, sand or sponge, and prime.

acig cacks is imecosumig . . caassig Wall canvas or modern substitutes are used to line plaster walls before they are painted or papered. (Order it through wallpaper stores.) Decorative painters in the past used to canvas walls before stencilling to protect the fancy painting from hairline cracks. You can use it over patched walls or ceilings, as long as the plaster is basically sound. It's a good way to resurface if you've got less-than-perfect aces, lots of hairline cracks, uneven paint layers, or other minor imperfections. Canvas can't bridge holes or disguise badly uneven patches, however, so do your stabilizing, taping, and patching first. ase wases Plaster washers, also called repair discs or ceiling buttons, are an old-fashioned fix for pulling sound plaster back up to lath (when the keys have broken), or for pulling plaster and lath hack to the studs or joists. They are used in con- junction with flat-head wood screws or screws, and u i you ae em, ey wo come ack. are subsequently covered with joint compound. They're

Seeme cacks o e ac aseea ae. e same coe ae acig.

30 MARCH/APRIL 1988 useu o secuig aeas o sou ase eoe you e moe amage ase eay. Ee owe ase ca e sae y acoig i wi ase wases. e ase ise mus ae iegiy — i ca e cumy o so ue o wae amage. I e ase aa assemy ogee as seaae om e suc ue, og woo scews ca e use o go oug e a a io sus o oiss. ase wases may e a o i. We kow o wo comaies a wi si em o you ia maioe: Caes S. Suy Co., 4 Caes S., e. O, oso, MA 024 aseaio, O o 64, e. O, Mae ea, MA 04.

ACIG OES I e mie oo a ig, a aea o missig ase was ace wi aiioa eecoa ase (moe o A plaster washer draws cracked plaster to the lath. is ae. Aoe meo o acig oes age a ou ices squae is o use ywa as a ase maeia, as i e oom oo. is meo is usuay easie o o asees — you o ae o uy a mi a owe aiioa aseig maeias. Aeas o a ase ae emoe. e e oe is squae u so a a ea ac ca e cu om ywa o i e oe. Cu e ase ack o sus o oiss so you ae someig o scew e y wa o. e ywa mig ae o e simme o ig i u o e suace o e suouig ase. e ga ewee ac a ase is eae us ike a Seeock seam: ae a iise wi oi comou. You ca skim e eie ac wi comou, oo, i ecessay o ee i o ima a owee iis eue. A aces, ae cacks, a skimme aeas must e ime eoe aiig. Washers secure the remaining old plaster around a hole that has sece o e scew gu been patched. A scew gu comes i ay o isaig o ase wases a ywa aces. y e ime you ag ais io e ywa, e suouig ase wi ae cacke a cume ue. A eis caug ei e ac wi kee i om ayig a, A scew gu is a eecic scewie wi a eacae seee a coos e scew e. Is as, a e e ausme aows eey scew o e couesuk us eow e suace o e ywa wiou eakig e ae ace. u is geaes aaage i ac aseig is a i aois e amme imac a wou amage agie ase. ac aseig e aeaie o e ywa ac is ac aseig. o oes ess a ou ices i iamee, i o oquie ee wi Sucoie o acig ase, a iis (skim wi oi comou. age oes ow o e a wi oay equie ee coas. o e scac a ow coas, use Sucoie egua (USGs eie gysum ase o e equiae. When large chunks of plaster are missing, drywall patches can e o o iis coa is iis ime mie wi gaugig he used as a base. ase. (ee o a ey eaie aice o ow o ac

■■ E OOUSE OUA plaster in the July-August 1986 issue of OHJ ) Remove damaged plaster very carefully. You can't just bang it out unless you were intending to remove the whole wall and whatever is on the other side of it. Cut it with a chisel and pull it away with your hands. using a prybar gently. Anchor salvageable surrounding plaster with wash- ers as described previously. Resecure loose lath to the studs or joists, predrilling to avoid splitting lath. Vacuum out all debris. We suggest installing metal lath over the wood lath before patching with plaster: this makes the patch less likely to fail. IISCOA AIUE Buckling or delamination of the finish coat of plaster is a common problem in old houses. It can occur because of a bad original bond between the brown coat and the finish ai a ase aiue om wae eeaio. coat. Problems in the manufacture of the raw materials, or with the on-site mixing, application, or humidity, may have interfered with the chemical reaction that causes the plaster to cure. If failure is limited to small areas, joint compound (the restorer's best friend) can be used. Just be sure to remove all areas of loose finish coat, because it wi fail. If delam- ination is extensive, it makes more sense to replaster the finish coat; call in a unless you're willing to invest some time in learning the skill yourself. AM WAS, WAE AMAGE Plaster that was merely stained by a short-term water leak in the past can be sealed with or a shellac-based primer. But if the plaster lost its integrity (becoming bowed and crumbly), it probably is unsalvageable. Remove only the damaged section, of course. Anchor edges of remaining sound plaster, and patch. Plaster badly damaged by water effloresces. The dry pow- aw maeias a oos o e ae. dery bubbles are salts in the plaster brought to the surface by the water. If it's minor, the efflorescence can be brushed away and the plaster sealed with shellac before painting. More often, efflorescence is not a good sign. Water-dam- aged plaster will not hold paint and, worse, it will even- tually fall.

. .S.4040:• , _ . . -. ,.• EUEIIS EMOA ., ,4C 0"ei■..... _ .....4 . aai. W.* 4_. A" ie. . p s "or 04INW's 04, • ..4.■ :is. A.......... Textured wall finishes were popular from about 1920 to .464,2:ii 0 the late '30s. They're often attractive, in good shape, and 0.,.....:. .. 4...... 0.... part of the character of the house. Then there's the over- done texture finish, sloppily applied and now failing in

areas, which was part of a "modernization of an older house. If you want to remove this stuff, you're in for a lot of work. Simple scraping with a putty knife or old chisel may remove much of the finish. A rented wallpaper steamer further breaks the bond of texture to original plaster, mak- ing it easier to scrape. If you get most but not quite all of Mea a as ee ie oe woo a o oie eiae keyig it off, skim the wall with joint compound. Two thin coats, o e ac ase. applied at right angles, is best. Warning: A later texture

32 MARCH/APRIL 1988 iis may ae ee a asic aem o "escue" aiig ase, a we you scae i o, e ueyig ase (iis coa o moe may come wi it. O we ... ee you kow ow.

SAIG OE Wa i you i you ase ceiig o was ae usa ageae? You ae ee asic oios o eaceme: ea eecoa ase, ywa, o eee ase. e aaages o ea ase ae o aeseic a acica. oig ese ooks ike ase e oe e uiig, e moe imoa a ook is. ywa i a eigeeceuy ouse ooks aacoisic. ea ase as e es isuaig a soueaeig caaceis ics, oo. o ismiss e coce o eacig ase wi ase ui you ge ices. I you ie i a ace (usuay ua wee you ca i a asee, ase may e quie comeiie wi ywa. ywa (Seeock is e usua coice o o oi yousee a geea coaco. e maeias ae mo ua e sees go u quicky wi ess mess a isuio a aseig. (aig akes awie, owee. ess ski is eee o o a aequae ywa o a ase, o. O e oe a, oy eay goo aes ca make uy iisie seams. ywa is eecy a a egua (ca aceess. Wa makes a o ouse o is a sue ig. es u i is way: A Seeock ceiig i e kice o moisueoo Seeock o aoom was is oo muc o a comomise. u a woe ouse wi was o ew ywa is a ey iee aima om e same ouse wi ase was. Casmasi eiss oy i e ae. eee ase is iewee. ee, a ea owee i is coa o ase is aie o a eaicae gysum oa ase. (Someimes a ase coa a iis coa ae aie oe e gysum ase. Ge ices ocay eoe aoom was a eeio was ae wo commo sies o you decide which way to go. ase aiue ue o wae.

aiig eue iis a wi ae o e scae a eas I e ueyig ase is sou, a cise ca e use o scae seame. off uwae eue iis.

E O OUSE OUA 33

I A ASEIG GOSSAY

Note: The terms used in this craft vat): regionally ae ume a eee ike Scees o ai i ■ Gysum o ase — Cacie gysum across the country, and have also been altered oig e suace. mie wi 2 o ece ime y weig, e by changes in technology and the passage of ■ ywa (waoa, aseoa, Seeock, sige o o o oey eae cocee time. The result is that some definitions hate be- gyoa, gyock — igi, isuaig oa ases. come as plastic as the materials themselves! o aseike maeia (usuay gysum, coee ■ Gysum Gaugig ase — A secia ma ■ Aggegae — A mass o gauae aices, o o sies wi eay ae. Aso, e sysem eia mae om gysum caeuy ocesse so suc as sa a cuse ock. I aseig, o wa suacig usig is maeia. a i ses i a eiie ime iea. O e o, aggegaes ae imoa o esue a e ■ ywa ai — So, eay ai wi age i is ae o sake ime o oie iiia su aie ase siks uiomy as i aes, ea esige o isaig ywa, oe ace aess i moas ike iisig ase. a wiou ecesses a wou cause cackig ie ao coae o maimum gi io • Gysum ea ase — Gysum ase 2 o om caes o e cysaiaio o ca amig. wiou Aggegae, iee o miig wi cium, as ies o ecoomica uoses. ■ ywa Scew— iisye scew asee Aggegae a wae o e o. igweig aggegaes, suc as emicuie esige o oweoo isaaio o ywa. ■ Gysum eayMie ase — Gysum eie, a ae iceasigy oua ecause ■ eaeege — eeig oo simia o o ase a oiay miea Aggegae, e o e imoe esiiecy, ie esisace, sou ece a ae aes o a sa ege o cu quiig oy e aiio o wae o use. eaeig, a weig eucio ey oe oe ig i coes a sa, saig ies. ■ Gysum Wooiee ase — ase aiioa maeias suc as sa. ■ iis Coa — ue ime, mie wi a ie comose o cacie gysum a iey se ■ Auocae iis ime — oueyae Gaugig Maeia (i aios agig om : e woo ies, use o ouce ase coas o ime equiig O soakig eoe use: i ca e o 2:, use o e ey i iis suace o a sueio seg a aess. Wooiee mie o sie a use immeiaey. Some as ase wa. ie sa ca e ae o a sae ase as gea ie esisace, isuaig, a ees ee a ye S (sigeyae ime as iis coa. soueaeig quaiies. I is aso ae o wi ee wokaiiy. ase eae wi auo sa iaio ue o is eiiiy, a weigs cae ime may e ess esisa o eiomea ■ iis ase — ie, wie ase mae om ime uy aou wois as muc as sae ceme as moisue (i.e., wae eaks. a gaugig ase. ■ iisig oa — A y. Moaoa e. Wooiee ase is sigy moe e ■ ase — Ay coiuous suace o wic as o wic iiscoa ime ase is amie. esie a a sa miue, u is oe e ca e aie a o wic i wi cig. A aaages make i e ecommee Scac ase mig e a coiuous masoy wa, o Coa o a kis o a. a oe sucua amig. ■ ai — Aima ai (usuay om cae oce ■ ase eas (ase scees — Mea sis, icue i scaccoa miues as a meca aace o e a eoe aseig, a o ica ie. ie a iisio o wok agais we oweig ■ awa ase — Gaugig ase mie ase a wi e a e o eges o ase AGE OA wi eie Aggegae o om a igweig oas. asecoa ase. So ue ae ames suc ■ ow Coa — e oug ase coa o ase as "Sucoie." use wi ocka sysems. Wi mea o wooa sysems, i is e seco aicaio o we, asecoa ase. SOGE OA ■ owig us — ieise, wae cayig us use o moise ase coa wie ■ oa — Suacig oo cosisig o a a, wokig. so oa wi a age ae, a is gie ■ Casig ea — Mea casig eas ae some oe e suace o ase o i ois a o imes use aou oo a wiow oeigs. ows o ima eue. Aso, e aseig o ike a woo Gou, ey iicae e oe eaio ioig is oo. ickess o e ase. ■ Gaugig Maeia (gaugig — A ase a ■ Ca aces — iiscoa suace imeecios iie iee o ouce eay seg a o a sow u as oows ae oaig. coueac sikage eecies. o ieio ■ Ceiig uos — See ase Wases. wok, commo gaugig maeias ae Gysum ■ Coe eas — Wie mes wi a igi Gaugig ase a Keees Ceme: o ■ awk — A squae, igweig, seemea mea sie use o ousie coes. Isaig ouoo wok, oa Ceme. aom wi a eica cea ae, om e coe ea um is imoa. ■ Gou — Mea o woo sis aou e wic ase o moa is aie o e wa eges o oos a wiows a a e oom wi a owe. o w as. ese gous e kee e ase ■ yae ime — ime eae a e ac e same ickess a oie a ege o i oy y aig cooe amous o wae o o so agais. Quickime. wo asic gaes ae aaiae: ma ■ Gysum — A auay occuig seimeay sos yae (o cosucio a iisig ock, oigiay mie om age quaies ea ime (o aseig. iisig imes ae use ais. Gysum, i is aua om, is cacium i e ia ase coas, a ae e moe, suae. We eae i e caciig ocess, quickoeae esios o Quickime. ey ■ Coeie — Wie mes use o isie co wae moecues ae ie o, eaig a emi ca e caegoie io ee geea yes y es o aoiig was a ceiigs. I kees yae o cacium suae — e maeia com e amou o Sakig ey equie: coes om cackig. moy kow as ase o ais. We mie Auocae — Ca e use immeiaey ae ■ ay — A oa wi wo aes a a wi wae agai o use as ase, e ocess miig wi wae. eaog ae, use o ue eeig a eeses a e gysum ecysaies o "ses" ye S — equies ess a siee ous saigeig ay o e ase coas. io ockike cacium suae. Wa is meas Sakig. ■ eis oa — A woo oa wi oe o is a ase cues y a cemica ocess, o ye — equies 6 o 24 ous Sakig. wo ais ouig i. om e soe, use y yig, giig i seg a iegiy. Ui • oi Comou (waoa comou, o suacig e ow Coa ae i as ie 0, o eoug was uesoo aou e se ywa comou, "mu" — A eaymie 24 ous. Scaces e y e ais oie oo o gysum ase. A aou a ime, asees eaaio use o iisig ois a seams o aesio o e iis Coa. ou a a imegysum comiaio gae i ywa cosucio. ecause i is eay ■ os — Sma ase sos ace as e em e es o o wos: e wokaiiy o mie a easy o ay, owe, a sa, i is guies uig wok o was a ceiigs. ey ime wi e quicke cue o gysum. wiey use o acig a esuacig ase.

34 MARCH/APRIL 1988 ■Keees Ceme — A ie, igesiy as ■ aseoa — See ywa. ■Scee — ase scees ae ios o mo e a ouces a ey a, ieeue iis ■oa Ceme —A eemey sog y a, eee, ume, o oewise ue o coa. I is ouce y eaig cuse gysum auic ceme, ouce y uig siica, was o ceiigs, wic see as guieies o ock ui eay a e wae o cysaiaio ime, a aumia (a aumium oie i a ki a saigege o u o we oig e is ie o, a e aig aum as a acce i oe ooios. oa Ceme ase suace. ey ae usuay e e o wo coas eao. I ecaes as, Keees Ceme a is use wee a ea a o igy wae o ase, a esue a e ew wok is may uses, eseciay i moue a cas wok. esisa suace is equie, suc as i waki sea a a uiom ickess. Mea scees, ike oay i is a seciay ouc (a somewa eigeaos a co soage saces, oies, Gous. oie a guie o asewok. aee i comosiio a seom ays a oe sowes, a aseme saces. I sou, ow ■Seeock — U.S. Gysums ae ame o i ouse aseig a acig. ee, ee e aie oe gysum oucs, a ywa ouc, ow use geeicay ike ■Key — ase a as eeae oug e suc as gysum a. oa Ceme ase is "Keee" a "aAis." aow oeigs i a aes o om keys aso wiey use i eeio aicaios. ■Sakig — e ocess o aig wae o wic ceae a mecaica o. ■umice — A auay ome ocaic gass ime o yae i i eaaio o miig i o ,o. Aggegae, simia o u eaie a eie. om a uy. i ,,,A, .A.■eiam ..,___ umice ca oue o eie i mos ai ■Sicke — A eie saigege use o e __,A caios, u is ess oua ecause o is geae eig we ase. . \ , ,4"■—,, ■W■w , w cos (wic is e esu o is geae weig. ■ Si — e icess, asiciy, a wokaiiy , ■2,W .40__ ■ uy — ouc esuig om miig ime o mie ase. Si" is a aoeie ca .40,wW—io4 a wae ogee. ecoogy as geay e aceisic, u is eemie i age a y e uce e ime is oeaio akes. aiioa, quaiy o e ase use. ases wi si" ,.:Wii .■,%• "oime" uy is Quickime soake i wae mi easiy, go o quicky, a sea a, e A.k.,,,,,, •" ,, o a eee eio, oe as muc as 2 ays. suig i maimum coeage wi miimum e . .4 , . _. , ■ Moe yae imes ae euce is igue o. Si is aso e ie ase use as a _,,a,„_.„.■ , ..,■,.„_. A ,,.'-)._,, ,,,- , o 24 ous a ess. See yae ime. aesie ewee, say, a casase oame w, - , w, , ,■ __4,■ _ ., ,■ ■ Quickime — imesoe a is ocesse, a e ceiig. u o yae. Cemicay, i is cacium a ■Sacke — Muao Co.s ae ame, oe .•-,.. .,.. -,__, ,,,„.„,,, N.,...-- magesium oies ome y iig imesoe use geeicay, o a aseike eaaio oe 00° . o make ase, quickime mus use i cosmeic eai wok, o as a oi Com -www-,. ....■ e sake wi wae i a oeaio a ses ou i ew ywa wok. Sacke is aaiae . A. . ■,... ,,.... ■A, , , _■., , ■gg o a ioe, oiig eacio. is aa was as a y owe o eaymie, mois com ," mae aoiae y e ioucio o y ou. EAE MEA A ae ime. e icia use o sake quick ■Sucoie — ae ame o a ymie, ime oay is i masoy moas. ueiiscoa ase eaaio, oe use ■a — Ay o seea yes o eoae o ac eais. See awa ase. ases secue o sucua amig. o yeas, wee ■Succo — e em aie o ase we i wooe sis cae Wooe a coeig o was suesee y gy ee i is use as a eeio use, u ese ae ee ase is mae wi ma sum a mea oucs. Gysum a a ock a uiigs. Succo soy ceme (aicuay oa. sa, a a ae oas wi gysum coes sawice is a, sog. ie esis o asoe ae, a wae. Oce cue, i ewee wo sees weae esisa. See use mosy i ew cosucio. Mea as ae a, a ase. oua o o ew a eai wok, a ae ■ae — I ywa cosucio, ae o i ee mauacue i may (geeay ie egass sis aie, i coucio wi oi cageae oms, suc as: i a (eae Comou, o eioce ois a seams. Tape mea scee wi iig, seemea a is usuay 2 i. wie, a ca e ucase e (see mea wi eoaios, a wie a. oae o oeoae. ■ime — ou i imesoe omaios o se mous, auay occuig ime is ca cium caoae, We eae, i ecomes ca cium oie ( Quickime, a ae wae is ae i ecomes cacium yoie. is ca cium yoie eacs wi cao ioie i e ai o eceae cacium caoae. ECAGUA OWE OIIG ■Moaoa — Mie ase is iiiay OWE asee om e miig o o miig a o e Moaoa, oe a age esio o a awk. e moaoa is usuay a age, a OIG EWEE SCEES iece o smoo, cea ywoo. ■eie — ocaic gass wic, we as ■ o (Saigege — Woo o igweig oase, eas o ouce oy aices o mea ae wi soe ae, oe 6 i. wie iegua sae. eie is a igweig Agge y 4 o 8 . og. is is e is oo use i eeig a saigeig aie ase e gae oe use wi cacie gysum. eie is MAGI imes as eecie a isuao as wee gous. See Sicke. AGE ougy ee OWE sa, a is muc ige. ■ Sa — A aiioay use Aggegae i OWE ■ase — Ay asy cosucio maeia o asewok. Sa imoes e seg a moaike cosisecy, wic is aie i a wokaiiy o ases. I mus e o ig quaiy ■owe — A ae, ae oo use o asic coiio, a aes i ace ae — cea, sa, wiou amu cemicas o ay, sea, a smoo ase. owe sies eig aie. As a suacig o e was a ogaic imuiies, a sceee o a uiom a saes a wiey, a ae eemie y ceiigs o uiigs, ase eoes a ieio sie — o i ca cause eecs. e uose o wic e oo is use. coeig, wie Succo eoes a eeio oe. ■Scaiie — A akeike oo o aig u ■emicuie — A so, ig miea Agge ■ase o ais — See Gysum. ows i scac coas a wi imoe e o gae mae om e ayee miea mica, ae o sa. e ■ ase Wases (ceiig uos — iscs o ewee e Scac Coa a e ow Coa. o gysum ase as a susiue same see mea eoae wi a cea ■Scac Coa — The is ase coa u o micuie as gaie ouaiy o oy o e scew oe, esige o eai wok o ase mea o woo a. e we ase is mei o is euce weig, u ecause i im as susaia isuaig quaiies o ases was a ceiigs. I use, ase wases e " scace" wi a oom o e oi o a ieooig i saiie aeas wee oke Keys ae cause owe o oie a oug suace so e e a aow em o e use as e suace o come away om e a. aye o ase coa wi sick o i. see cosucio.

THE OOUSE OUA