No_2_1955 — Page 66

HOME PAINTING WITHOUT FUSS

Householders who are thinking of redecorating their homes will very naturally give thought to the new emulsion paints that have become so popular recently.

What are these paints? How should they be used? What are their ad- vantages?

Let us not pretend that these emulsion paints offer the complete solution to every painting problem. They are. after all, only one of the many types of paint made for de- corating and protecting walls and flat surfaces. They have, however, many attractive features:-

1) They do not contain any of the usual paint solvents and hence are free from the smell usually as sociated with painting. They are, in

odourless fact, almost

and only water is needed to thin them.

a

to the wall within a few hours. Even washed over with water to which with two coats, the furniture and little soap or detergent has been carpets can be slipped back into post- added and then washed down

with tion and the room occupied the same clean water to remove all 'soapy' re- day. The absence of smell will cut sidues. If an emulsion paint is be- out any complaints from the family. Ing applied over a surface that has Emulsion paints can be ap- been previously painted with glossy plied over wall paper. provided the enamel, this should be washed care- paper shows no signs of peeling. fully and rubbed down with medium glass paper to get rid of most of the gloss and provide grip.

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5)

If painting a plaster wall, as- bestos sheeting, brickwork or con- crete there is no need to go through

When painting over a surface pre- the tedious process of using separ- viously finished in waterpaint in poor ate primers, undercoats and finish condition, all loose and flaking ma- ing coats.

paint terial should be scraped off and the suriace sealed with an appropriate sealer.

The one emulsion

does the lot. New wood and iron, do however, require priming first. Wood will swell with the water cf the emulsion paint and sooner or later Several kinds of emulsion paint are the paint will be pushed off. Iron made and they all have their points. tends to rust very quickly if not primed first and the rust will even- suitable for use in this part of the The latest. I.C.I. 'Pentalite', is very

tually work through the paint film. world. It has all the features men- 2) Application is quick and easy.

6) Finger marks Gr food and tioncd above. In addition it dis- They can be brushed with criss- liquids spilt on the painted surface courages mould and fungus growth; cross carefree strokes, using a large will not permanently disfigure it. The and because it is resistant to alkali brush in the same way as distem- stains can usually be removed with it can be applied direct to new per is applied. If preferred, a roller a soapy cloth. If they are obstinate, cement and plaster without the alkall or spray gun may be used. Which the surface can actually be scrubbed: salts in them creeping through and ever tool is employed, the resultant the emulsion paint will stand it. spolling the finish. 'Pentalite' gives a finish has the appearance and hard-

pleasing near-matt finish and is wearing qualities of orthodox low

made in a wide range of attractive gloss paints.

colours from which can be selected just the shade to match existing

PREPARING THE SURFACE

It is important to make sure that 3) They dry quickly, so that if the surface to be painted is clean desired a second coat may be given and free from grease. It should be furniture, curtains and carpets.

CHLORINE TREATMENT OF SEWAGE

Photograph of a large capacity chloronime.

A method of treating trade effluents and sewage by chlorine has been developed by the Paterson Engineering Company Ltd. The ap- plication of the system may be clas- sified into divisions.

EFFLUENTS ..

course a very important considera- tion.

EFFLUENTS

OVERLOADED DISPOSAL WORKS

The treatment of crude sewage to prevent or reduce odour and septicity. STERILISATION ON SEWAGE to improve purification in cases where the disposal services are

While the normal purification overloaded by reason of excessive

process in a modern sewage works quantity or exceptional strength of

encrmcusly reduces the number of constituents of the sewage, or to

bacteria. particularly those of the Improve precipitation during purifi- most objectionable type, it is clearly

cation.

AERIAL NUISANCE

In all cases where chlorination is used to prevent septic conditions occurring in the sewers, the treatment is accompanied by reduction of aerial nuisance at the disposal works. PREVENTION OF PONDING ON

FILTERS

With

desirable, if possible. to deliver an effluent free from bacteria. carefully designed and operated sewage disposal works, supplemented by chlorination of the effluent this can be achieved.

THE TREATMENT OF GASEOUS

TRADE EFFLUENTS Chicronomes have been installed to purify gaseous effluent from fac- The clinker or stone filters used in tories and processes which result in Sewage purification are frequently noxious smells. Many industries dis- seen to have pools of liquid on their charge gaseous effluents into the surface. These are caused by the atmosphere; some of these cause medium becoming choked by humus nuisances to the local residents, and or organic matter. Chlorine has the very often chlorine is successful in effect upon the crganic constituents reducing or eliminating this nuisance. as to prevent the accumulation the filtering medium and thereby Further information may be ob- reduce or entirely prevent ponding. tained from the manufacturers at This will also materially reduce or Windsor House, Kingsway, London, entirely eliminate flies which is of England.

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