The new win­dow put­ties

The Shed - - House Painting -

The main ad­van­tage of tra­di­tional putty is that is easy to ap­ply. Its lin­seed-oil base means that it doesn’t stick to the putty knife and it’s rel­a­tively easy to get a good fin­ish. You have to wait a few days or even weeks be­fore paint­ing it (read the pack), but that’s not al­ways a big deal. How­ever, it will con­tinue to dry out over time. Make sure that you paint bare tim­ber be­fore us­ing it or the oil will leach out even faster. Sil­i­cone gels are great for fix­ing glass in metal and vinyl frames, but don’t use sil­i­cone sealant around putty — when it cures it gives off an acid that at­tacks putty. Sel­leys na­tional sales man­ager Phil Ayling says that glaz­ing com­pounds are a step up from old­school putty and al­low paint­ing within a few hours, rather than days. They re­main flex­i­ble and, while they are more ex­pen­sive, they are gain­ing in pop­u­lar­ity.

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