The Shed - - House Painting -

It’s not nec­es­sary to use an oil-based primer on bare wood these days, says Rob. Re­sene’s acrylic Quick Dry primer works for al­most ev­ery job. He makes an ex­cep­tion for cedar — of­ten used on garage doors. That should be primed with an oil-based primer.

Knot holes that have a build-up of sap should be scraped and dressed with Alu­minium Wood Primer be­fore they are filled. You might also need it for other ar­eas where resin in the wood has built up, seeped, and stained paint. That will work for most leach­ing-type stains, but if you have prob­lems with the sub­strate stain­ing your primer or un­der­coat, talk to a paint ad­viser. There’s a wide se­lec­tion of spe­cific prob­lem seal­ers avail­able, and primers for glass, metal, and vinyls.

You can clean stain­ing from rusty nails us­ing ox­alic acid, but rust is of­ten a sign that the nail has failed, so it re­ally should be dug out, re­placed, and the hole filled.

Top­coats come in a va­ri­ety of fin­ishes. Gloss was pre­ferred in the past as it slowed the chalk­ing ef­fect and is eas­ier to wash down, but flat­ter fin­ishes are pre­ferred by pain­ters. And small im­per­fec­tions are not as ob­vi­ous.

Go­ing a dark colour in­duces a lot of heat stress on tim­ber new and old

Rob still rec­om­mends a semi-gloss for tra­di­tional-style houses and vil­las. “It gives you that pop, and they are eas­ier to clean, which we are all go­ing to do from now on, aren’t we?”

Fi­nally, he ad­vises that buy­ers stick to prod­ucts de­signed for our lo­cal con­di­tions — specif­i­cally lots of rain, salt-laden air, and in­tensely strong UV al­most unique to New Zealand. He says that prod­ucts de­signed for con­di­tions on the other side of the world, or even for Aus­tralia’s dryer con­di­tions, sim­ply won’t per­form as in­tended here. Check out the New Zealand Green Build­ing Coun­cil’s (NZGBC) Hom­e­fit pro­gramme. This or­ga­ni­za­tion is aim­ing to lift New Zealand’s build­ing per­for­mance stan­dards up by the boot­straps. For too long New Zealand build­ings have been cheaply built and poorly de­signed and that has cost us our health, com­fort, pro­duc­tiv­ity, time, and money spent on ex­tra main­te­nance and en­ergy costs. There’s a wealth of prac­ti­cal ad­vice on its web­site for cre­at­ing bet­ter build­ings from scratch or when do­ing ren­o­va­tions.


If you have de­tail like this to paint, spray­ing will give you the best re­sult. With the amount you will be sav­ing on a pro­fes­sional pain­ter, you can buy your­self that spray pain­ter you have al­ways wanted

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