How To Make Wooden Planter Boxes Waterproof

There are several benefits for gardens and flowers container made of wooden planter boxes. An issue occasionally experienced with plastic or metal planters is avoided with wood as it helps protect roots from fast changing temperature variations. Wood planters mix in a lot well with plants due to its natural look. However, when left to the punitive elements, wood planter also starts to dwindle if untreated. Treat your wood planter before planting to protect it from the destructive effects of humid and ultraviolet light for ideal planting and enduring beauty.

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wood planter box perth

Tools And Supplies Required

To waterproof wooden planter boxes, you will need Paintbrush, 80-grit sandpaper, Wood planter box, oil-based or Danish oil urethane wood stain, and silicone- or Polyurethane-based seal. Since cedar or redwood lumber are naturally water resistant, use wood planter boxes made from these woods for the best results. You will create a practically water-resistant setting by using a waterproofing seal and waterproofing stain on water-resilient natural wood. Pressure-preserved wood may leak chemicals into your potting loam that may extinguish your plants so avoid these kind of wood planter.

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wood planter box uk

Preparation

Rub the wood briskly with an 80-grit sandpaper to scrape up all bare tops of the wooden planter till the surface feels coarse to the touch. This makes tiny pinches and crests to allow better adhere for your waterproofing coat or stain. To keep water from getting to the inside the fissures of the box, apply seal to where the walls of the planter run into the bottom of the planter and the intersections and rims of the wooden planter boxes where it’s several edges meet. Following its manufacturer guiding principle, apply a silicone-based seal or a polyurethane-based seal. Before going for your waterproofing, allow for the seal to completely dry. With the box kept in a dry, cool place away from moisture and heat, it generally takes about 3 to 4 days for seal complete curing.

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wooden planter box kits uk

Applying Waterproof coat

To waterproof hardwood, you can choose either Danish oil or urethane oil-based wood coat. Smear a coat of a thin, single layer to protect wood from the harm caused by the sunbeams according to stain’s manufacturer manual. Use a paintbrush dunked in the stain to apply in gentle gestures gradually and uniformly layering all surfaces of the wooden planter boxes. Allow the first coat of stain to dry for 1 to 2 days before applying the second to third coat. For complete waterproofing and UV shield, certain stain only need a twosome of coats while others may need 10 or more layers.

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