Using The Correct Filler For The Job
Tuesday, September 13th, 2011There are many filler products on the market, all designed for a specific purpose. Here’s a guide to what’s available.
All-Purpose
This filler comes pre-mixed or in powder form and can be used for small to medium cracks and holes on most surfaces. If used outside, mix with a diluted adhesive. It can be painted over when dry.
Hairline Crack
Hairline crack filler is applied by brush and fills fine cracks in plaster, paintwork and plasterboard. It dries rapidly.
Paste
Paste filler comes pre-mixed and is recommended for repairing larger hairline cracks. Dents in ceilings and walls can be remedied using this product, as can cracks in wood.
Exterior
If you need to fill cracks in exterior masonry, concrete or render, exterior filler is the product you need. Once dry, it can be drilled into and is weatherproof.
Plaster Repair
Large holes in plaster can be filled using plaster repair filler. It dries to a smooth finish and comes in powder or pre-mixed form. It takes 24 hours to dry.
Wood
Use wood filler to fill cracks and holes in wood. Different shades are available for colour matching. It’s usually sold pre-mixed in small tins.
Polyester Based Metal Filler
Designed to fix holes and cracks in metal objects, it dries in five minutes and you should be able to sand it after about twenty minutes.
Frame Sealant
This is a rubbery filler applied using a cartridge gun, used to filled gaps between masonry or window and door frames. It can be painted over once dry.
Foam
Foam filler is used to plug the holes where pipes pass through walls. This expanding foam sets hard and can be sanded and painted over when dry.